Some standard content:
ICS55.040
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Packaging Industry Standard of the People's Republic of China
BB/T0030—2019
Replaces BB/T0030-2004
Aluminum-coated film for packaging
Metallized film for package
Published on August 27, 2019
Published by the Ministry of Industry and Information Technology of the People's Republic of China
Implemented on January 1, 2020
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Packaging Industry Standard of the People's Republic of China
Aluminum-coated film for packaging
BB/T C030—2019
Published and distributed by China Standards Press
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Format 880×12301/16 Printing sheet 0.75 Word count 20 thousand words First edition in November 2019 First printing in November 2019*
Book number: 155066-2-34670 Price: 16.00 yuan If there is any printing error, it will be replaced by the distribution center of our company. Copyright infringement will be investigated
Report telephone: (010) 68510107
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This standard was drafted in accordance with the rules given in GB/T1.1-2009. BB/T0030-—2019
This standard replaces BB/T00302004 "Aluminum-coated film for packaging". Compared with BB/T0030-2004, this standard has the following major technical changes, in addition to editorial changes:
The English name of the standard has been modified;
The normative references have been modified (see Chapter 2, Chapter 2 of the 2004 edition); Factory terms and definitions have been modified (see Chapter 3, Chapter 3 of the 2004 edition); The appearance requirements of aluminum-plated films have been modified (see 5.1, 5.1 of the 2004 edition); The size and deviation requirements of aluminum-plated films have been modified (see 5.2, 5.2 of the 2004 edition); modified the nominal strain at break, thermal shrinkage, water vapor permeability, oxygen permeability and adhesion of the aluminum layer of the aluminum-coated film (see 5.3, 5.3 of the 2004 edition);
added the index of the initial heat sealing temperature of the CPP aluminum-coated film (see 5.3); modified the food and drug safety performance requirements (see 5.4, 5.4 of the 2004 edition); modified the requirements for the sampling method of the aluminum-coated film (see 6.1, 6.1 of the 2004 edition); modified the appearance inspection method (see 6.3, 6.3 of the 2004 edition); added the thickness measurement and thickness deviation calculation formula (see 6.4.2); modified the tensile strength and nominal strain at break test methods (see 6.5, 6.6 of the 2004 edition); modified the heat shrinkage test method (see 6.6, 6.7 of the 2004 edition); modified the water vapor transmission rate test method (see 6.7, 6.8 of the 2004 edition); modified The oxygen permeability test method was modified (see 6.8, 6.9 of the 2004 edition); the heat seal performance test method of CPP aluminum-coated film was added (see 6.10); the aluminum layer thickness and aluminum layer uniform hook test method were added (see 6.12); the type inspection requirements were modified (see 7.3, 7.3 of the 2004 edition); the marking regulations were modified (see 8.1, 8.1 of the 2004 edition); the storage conditions were modified (see 8.4, 8.4 of the 2004 edition). This standard was proposed by the China Packaging Federation. This standard is under the jurisdiction of the National Packaging Standardization Technical Committee (SAC/TC49). The main drafting units of this standard are: Jiaxing Pengxiang Packaging Materials Co., Ltd., Jiangsu Shuangxing Color Plastic New Materials Co., Ltd., Anhui Jintian High-tech Materials Co., Ltd., Shandong Product Quality Inspection Institute, Zhejiang Chengde Technology Co., Ltd., Jinan Languang Electromechanical Technology Co., Ltd., and Shanghai Ruoyi New Materials Technology Co., Ltd. The main drafters of this standard are Wei Wei, Wu Peifu, You Shenglong, Sun Hongqiang, Wang Daobao, Chen Xin, Wei Liming, Zhao Luyi, Cao Chipeng, Chi Wei, and Wang Zhaozhong.
The previous versions of the standards replaced by this standard are as follows: BB/T00302004
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1Scope
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Aluminum-coated film for packaging
BB/T0030—2019
This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of aluminum-coated film for packaging (hereinafter referred to as aluminum-coated film).
This standard is applicable to aluminum-coated film produced by vacuum evaporation method with biaxially oriented polyester (BOPET), biaxially oriented polypropylene (BOPP), and cast polypropylene (CPP) plastic films as substrates. Aluminum-plated films formed on other types of substrates can refer to this standard 2 Normative references
The following documents are indispensable for the application of this document. For any dated referenced document, only the dated version applies to this document. For any undated referenced document, the latest version (including all amendments) applies to this document. GB/T191 Pictorial marking for packaging storage and transportation
GB/T1037 Test method for water vapor permeability of plastic film and sheeting - Cup method GB/T1038 Test method for gas permeability of plastic film and sheeting - Pressure difference method GB/T1040.3 Determination of tensile properties of plastics - Part 3: Test conditions for films and sheets GB/T2828.1
GB/T 2918
GB/T 6672
GB/T6673
Sampling procedures for inspection by attributes Part 1: Sampling plan for batch inspection indexed by acceptance quality limit (AQL) Standard environment for conditioning and testing of plastic specimens National standard for food safety General safety requirements for food contact materials and articles National standard for food safety Plastic materials and articles in contact with food Determination of thickness of plastic film and sheeting Mechanical measurement method Determination of length and width of plastic film and sheeting GB/T14216
GB/T19789
GB/T26253
3 Terms and definitions
Plastic films and sheets Determination of wetting tension
Packaging materials: Plastic films and sheets Oxygen permeability test Coulometer method Determination of water vapour permeability of plastic films and sheets Infrared detector method The following terms and definitions apply to this document. 3.1
Sputtering point
During the vacuum aluminum plating process, due to equipment, production process and other reasons, the molten aluminum splashes and burns the film.
4 Product classification
Aluminum-plated films are divided into BOPET, BOPP, and CPP aluminum-plated films according to the substrate used, which are represented by VMPET, VMOPP, and VMCPP respectively.
BB/T0030—2019
5 Requirements
5.1 Appearance
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5.1.1 The aluminum-plated film should not have defects such as burrs, notches, warping, scratches, wrinkles, severe ribs, impurity pollution, and aluminum layer shedding. 5.1.2 The diameter of the sputtering point should be ≤1.0mm, and the number should be ≤4/m25.1.3 Aluminum-plated films are allowed to have joints, which should be neat, firm and smooth; if the roll length is <6000m, the number of joints should be ≤1, if the roll length is ≥6000m, the number of joints should be ≤2, and the length of each section should be ≥500m. 5.1.4 The unevenness of the film roll end surface should be ≤2mm. The surface of the film roll tube core should be smooth and flat, and there should be no defects such as bending, dents, and bends that affect the use. 5.1.5
5.2 Dimensions and deviations
The dimensions and deviations of aluminum-plated films are shown in Table 1.
Table 1 Size and deviation of aluminum-plated film
Extreme deviation
5.3 Physical and mechanical properties
Physical and mechanical properties of aluminum-plated film are shown in the table
Negotiation between the two parties
Table 2 Requirements for physical and mechanical properties
Tensile strength
Nominal strain at break
Heat shrinkage
Water vapor transmission
g/(m224 h)
Oxygen transmission
cm2/(m2.24 h.0.1 MPa)
Wetting tension of aluminum-plated surface
≥280
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Table 2 (continued)
Initial heat sealing temperature (between non-treated surfaces)Adhesion of aluminum-plated layer (expressed as the area of aluminum-plated layer shedding)Thickness of aluminum-plated layer
Average thickness of aluminum-plated layer
Note 1: The wetting tension of aluminum-plated surface of VMOPP.VMCPP can be determined by both the supply and demand parties. Note 2: The initial heat sealing temperature is the lowest temperature when the heat sealing strength is less than 3N/15mm. 5.4 Food and drug safety performance requirements
BB/T0030—2019
The food safety performance of aluminum-plated films in direct contact with food shall comply with the requirements of 80 and relevant laws and regulations. The safety performance of aluminum-plated films in direct contact with food shall comply with relevant American standards and scientific requirements.
Test method
6.1 Sampling method
Remove the surface of the aluminum-plated film roll and test it. The aluminum-plated surface shall not be damaged. 6.2 Standard environment for sample state adjustment and test 30
Directly contact with drugs
High deviation and physical and mechanical properties
The sample state shall be adjusted in the standard environment specified in GB/T2918 with a temperature of (23 ± 2) °C and a relative humidity of (50 ± 10)% for not less than 4 hours, and the test shall be carried out under this environmental condition. 6.3 Appearance
Under 40W fluorescent lamp or natural light, visually inspect the appearance quality of tin-plated film and the quality of film roll tube core. On a light box equipped with 10W fluorescent lamp and glass on the table, with the light 150mm away from the glass, visually inspect the quality of aluminum coating and the number of sputtering points. The irregularity of the film roll end surface is measured with a measuring tool with a minimum graduation value of 0.5mm. 6.4 Dimensions and deviations
6.4.1 Width
According to the provisions of GB/T6673.
6.4.2 Thickness
According to the provisions of GB/T6672. The minimum graduation value of the measuring instrument should not be greater than 0.2um. Measure along the width direction of the sample at an equal interval of 30mm from both ends. Measure 5 points for films with a width of no more than 500mm: 10 points for films with a width of more than 500mm. Calculate the deviation using the maximum and minimum values.
BB/T0030—2019
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The thickness limit deviation shall be calculated according to formula (1): e
Wherein:
Limit deviation:
Maximum (minimum) thickness, in micrometers (um); nominal thickness, in micrometers (μm). 6.5 Tensile strength and nominal strain at break
According to the provisions of GB/T1040.3, a 2-type long strip specimen is used, with a specimen width of (15 ± 0.1) mm, a minimum length of 150 mm, a clamp spacing of 100 mm, and 5 longitudinal and transverse specimens are tested respectively. The tensile speed of VMPET is (100 ± 10) mm/min, the tensile speed of VMOPP is (250 ± 25) mm/min, and the tensile speed of VMCPP is (300 ± 30) mm/min. 6.6 Heat shrinkage
6.6.1 Test equipment
Oven with a temperature accuracy of ±1℃, steel ruler with a graduation value of ±0.5mm, stopwatch6.6.2 Test specimens
Take 5 specimens of 120mm×120mm. Draw vertical 100mm×100mm marking lines on the longitudinal and transverse directions of the specimens. 6.6.3 Test steps
6.6.3.1 VMPET
Adjust the oven temperature to a constant temperature of (150±3)℃, quickly put the specimen in and start timing. The specimen is placed flat, kept for 30 minutes, then taken out. After cooling to the test environment temperature, measure the longitudinal and transverse lengths along the marking lines respectively. Calculate the heat shrinkage of the specimen according to formula (2), take the arithmetic mean as the measurement result, and be accurate to one decimal place. 6.6.3.2 VMOPP
Place the sample flat on a stainless steel plate in a constant temperature oven at (120±3)°C. The stainless steel plate should be located in the middle of the oven. The heating time is 120S. Take out the sample and cool it to the test environment temperature. Measure the longitudinal and transverse lengths along the marking line. Calculate the thermal shrinkage of the sample according to formula (2). Take the arithmetic mean as the measurement result, accurate to one decimal place. 6.6.4 Calculation formula
L-Li×100%
Where:
Thermal shrinkage;
The length of the marking line before heating, in millimeters (mm); The length of the marking line after heating, in millimeters (mm). 6.7 Water vapor transmission rate
Perform according to the provisions of GB/T26253 or GB/T1037. The temperature is (38±0.6)°C and the relative humidity is (90±2)%. During arbitration, test according to the provisions of GB/T26253.
6.8 Oxygen permeability
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It shall be tested in accordance with the provisions of GB/T19789 or GB/T1038. During arbitration, it shall be tested in accordance with the provisions of GB/T19789. 6.9 Wetting tension of aluminum-plated surface
It shall be tested in accordance with the provisions of GB/T14216.
6.10 Initial heat sealing temperature
6.10.1 Test apparatus
6.10.1.1 Heat sealer
Single blade heating, heating width is 5mm or more6.10.1.2 Tensile tester
6.10.2 Sample
BB/T0030--2019
Take two pieces of VMCPP with a length of 100mm and a width of 15mm and stack them together with the heat seal surface in contact. If necessary, a piece of polyester (PET) film with a thickness of 12um±1.2um can be used to cover it. Put the film between the two welding knives of the heat sealer, the welding knife is perpendicular to the film surface, the upper incandescent knife is heated, and the film is sealed together with a pressure of 0.2MPa and a time of 1s. Repeat the above operation at the same temperature to prepare 5 samples. Increase the heat sealing temperature by about 5°C and prepare another 5 samples. If necessary (see 6.10.3), the heat sealing temperature can be increased or decreased and 5 samples can be prepared at this temperature.
6.10.3 Test steps
Clamp the two ends of the sample on the clamps of the stretching machine, with the distance between the clamps being greater than or equal to 50 mm. Measure the heat sealing strength at a speed of (300 ± 30) mm/min. Test a total of 5 samples at each heat sealing temperature, take the average value of the heat sealing strength, and make a heat sealing temperature and heat sealing strength curve to deduce the heat sealing temperature when the heat sealing strength is 3N/15mm. See Figure 1.91/N/
Note: 1 refers to the initial heat sealing temperature.
6.11 Adhesion of aluminized layer
6.11.1 Test specimen
Heat sealing temperature/℃
Figure 1 Determination of initial heat sealing temperature
Cut 3 samples with a width of about 100 mm and a length of about 250 mm along the longitudinal direction of the aluminized film: stick the transparent BOPP pressure-sensitive adhesive tapes with a peel strength of (2.0 ± 0.2) N/cmBB/T0030—2019
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on the aluminized surface of the aluminized film respectively, and then cut them into 15 mm wide specimens, and then complete the pull peel test. The aluminized film and the pressure-sensitive tape should be tightly adhered without defects such as bubbles and wrinkles. Take 5 samples for testing. 6.11.2 Test steps
Peel off 50mm at one end of the sample, clamp the two ends on the fixture of the tensile testing machine, and stretch and peel at a speed of (250=25) mm/min. The effective peeling length is 100mm. After the test, measure the detached area of the aluminum layer of each sample on the light box specified in 6.3. 6.12 Aluminum layer thickness and aluminum layer uniformity 6.12.1 Test principle and instrument
The aluminum layer is a metal conductor. The test principle is based on Ohm's law to measure the metal coating resistance value of the sample of specified length and width. The square resistance (Q/) is used to represent the thickness of the aluminum layer. The smaller the value, the thicker the aluminum layer. The accuracy of the metal coating measuring instrument is not less than 0.010. 6.12.2 Samples
Full width sampling.
6.12.3 Test steps
Adjust the metal coating measuring instrument, start measuring along the width direction of the sample, 2cm away from the edge, the measurement position interval is 5cm~10cm, and measure n times. Record the measured values as 2/□1Q/2/口.6.12.4 Average thickness of aluminum coating
Calculate the average thickness of aluminum coating according to formula (3): 0/=（2/1+0/2++2/）/n
Where:
Average thickness measurement value of aluminum coating;
The first measurement of aluminum coating thickness value, unit is square resistance (/); The nth measurement of aluminum coating thickness value, unit is square resistance (2/); The number of measurements is based on the entire width.
6.12.5 Uniformity of aluminum coating
Uniformity of aluminum coating is expressed by the limit deviation of aluminum coating thickness. The limit deviation of aluminum coating thickness is calculated according to formula (4) and formula (5): S1=(0/rx-2/)/(0/C)×100%
Sz=（2/-2/）/（0/）X100%
Wherein:
Maximum deviation of aluminum coating thickness measurement;
Minimum deviation of aluminum coating thickness measurement,
Maximum value of aluminum coating thickness measurement, unit is sheet resistance (Q/): Minimum value of aluminum coating thickness measurement, unit is sheet resistance (Q/); Average thickness value of aluminum coating thickness measurement, unit is sheet resistance (2/). 6.13 Food and drug safety performance
(3)
·4)
(5)
The safety performance of aluminum-coated films in direct contact with food shall be tested in accordance with the methods specified in GB4806.7 and relevant standards. The safety performance of aluminum-coated films in direct contact with drugs shall comply with the requirements of relevant standards and laws and regulations. 6
7 Inspection rules
7.1 Batching and sampling
7.1.1 Batching
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BB/T0030—2019
Aluminum-coated films are accepted in batches, with the same raw materials, the same formula, the same process conditions and the same specifications of the products being continuously produced with a total mass of no more than 501 as a batch.
7.1.2 Sampling
Specifications and appearance shall be subject to the normal inspection secondary sampling plan specified in GB/T2828.1, with inspection level II and acceptance quality limit a
(AQL is 6.5, and sampling inspection shall be carried out in accordance with the provisions of Table 3. b)
Physical and mechanical properties and food and drug safety performance. One roll of film shall be randomly selected from each batch of products for inspection. Table 3 Sampling and judgment plan for specification and appearance inspection Sample
Quantity code
Factory inspection
Batch N
91~150
151~-280
2815C0
501-1200
1201~3200
3201~19000
Sample size n
Sample size
Acceptance quality limit (AQL)
Acceptance number Ac
Aluminum-plated film must be inspected and qualified by the quality inspection department of the production enterprise and can only be shipped after being accompanied by a product certificate. Rejection number Re
b) Factory inspection includes all contents except oxygen permeability, water vapor permeability and food and drug safety performance in the technical requirements.
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7.3 Type inspection
Type inspection includes all technical requirements of this standard. Type inspection should be carried out in any of the following situations: trial production and identification of new products or old products transferred to the factory for production; a
b) after formal production, if there are major changes in structure, materials, and processes, which may affect product quality; c) during normal production, annual inspection; d) when the product is discontinued for a long time and resumed production. 7.4 Judgment rules
If any of the appearance, size and deviation of the aluminum-plated film is unqualified, the roll of the product is judged to be unqualified. The judgment of qualified batches shall be carried out according to Table 3a
.
The physical and mechanical properties of the aluminum-plated film shall all meet the requirements of this standard. Otherwise, double samples shall be randomly selected from the original batch of products for re-inspection of unqualified items. If the re-test still fails, the batch of products shall be judged as unqualified. If any one of the food and drug safety performance of the aluminum-plated film fails, the batch of products shall be judged as unqualified. d) When the products are qualified according to a), b) and c), the batch of products shall be judged as qualified. 8 Marking, packaging, transportation and storage
8.1 Marking
The outer packaging of the aluminum-plated film shall have a certificate of conformity, indicating the product name, the number of this standard, specifications, net weight, production date, batch number, grade, inspection stamp, production unit and address, food packaging or non-food packaging, and signs such as "afraid of moisture", "afraid of heat", and "handle with care". The markings shall comply with the provisions of GB/T191, and the markings of materials in contact with food shall comply with the provisions of GB4806.1. The inner packaging of the aluminum-plated film shall have a clear aluminum-plated surface mark.
8.2 Packaging
Each roll of aluminized film is wrapped with plastic film, supported and protected by plywood with foam plastic at both ends, and plugged with plastic plugs, and packed with appropriate packaging materials. Special packaging is agreed upon by the supply and demand parties. 8.3 Transportation
It should be handled with care during transportation to prevent mechanical collision and sun and rain. 8.4 Storage
Aluminized film should be stored in a clean, dry and ventilated warehouse, properly stacked, 2IⅡ to 1 away from heat sources, away from corrosive media, and not exposed to direct sunlight. The storage period is generally not more than one year from the date of production. If it exceeds one year, it can be re-inspected according to this standard. If the quality meets the requirements of this standard, the product can still be used. Copyright exclusive infringement must be investigated
Book number: 155066·2-34670
BB/T0030-2019
Pricing:4 Judgment rules
If any one of the appearance, size and deviation of the aluminum-plated film is unqualified, the roll of the product is judged to be unqualified. The qualified batch is judged according to Table 3a
.
The physical and mechanical properties of the aluminum-plated film shall all meet the requirements of this standard. Otherwise, double samples shall be randomly selected from the original batch of products for re-inspection of the unqualified items. If the re-inspection is still unqualified, the batch of products is judged to be unqualified. If any one of the food and drug safety properties of the aluminum-plated film is unqualified, the batch of products is judged to be unqualified. d) When the products are qualified according to a), b) and c), the batch of products is judged to be qualified. 8 Marking, packaging, transportation and storage
8.1 Marking
The outer packaging of the aluminized film should have a certificate of conformity, indicating the product name, this standard number, specifications, net weight, production date, batch number, grade, inspection stamp, production unit and address, food packaging or non-food packaging, and signs such as "afraid of moisture", "afraid of heat", and "handle with care". The markings should comply with the provisions of GB/T191, and the markings of materials in contact with food should comply with the provisions of GB4806.1. The inner packaging of the aluminized film should have obvious markings of the aluminized surface.
8.2 Packaging
Each roll of aluminized film should be wrapped with plastic film, supported and protected by plywood with foam plastic at both ends, and plugged with plastic plugs, and packed with appropriate packaging materials. Special packaging shall be agreed upon by the supply and demand parties. 8.3 Transportation
Handle with care during transportation to prevent mechanical collision and sun and rain. 8.4 Storage
Aluminum-coated films should be stored in a clean, dry and ventilated warehouse, properly stacked, 2I to 1 away from heat sources, away from corrosive media, and not exposed to direct sunlight. The storage period is generally not more than one year from the date of production. If it exceeds one year, it can be re-inspected according to this standard. If the quality meets the requirements of this standard, the product can still be used. Copyright exclusive infringement must be investigated
Book number: 155066·2-34670
BB/T0030-2019
Pricing:4 Judgment rules
If any one of the appearance, size and deviation of the aluminum-plated film is unqualified, the roll of the product is judged to be unqualified. The qualified batch is judged according to Table 3a
.
The physical and mechanical properties of the aluminum-plated film shall all meet the requirements of this standard. Otherwise, double samples shall be randomly selected from the original batch of products for re-inspection of the unqualified items. If the re-inspection is still unqualified, the batch of products is judged to be unqualified. If any one of the food and drug safety properties of the aluminum-plated film is unqualified, the batch of products is judged to be unqualified. d) When the products are qualified according to a), b) and c), the batch of products is judged to be qualified. 8 Marking, packaging, transportation and storage
8.1 Marking
The outer packaging of the aluminized film should have a certificate of conformity, indicating the product name, this standard number, specifications, net weight, production date, batch number, grade, inspection stamp, production unit and address, food packaging or non-food packaging, and signs such as "afraid of moisture", "afraid of heat", and "handle with care". The markings should comply with the provisions of GB/T191, and the markings of materials in contact with food should comply with the provisions of GB4806.1. The inner packaging of the aluminized film should have obvious markings of the aluminized surface.
8.2 Packaging
Each roll of aluminized film should be wrapped with plastic film, supported and protected by plywood with foam plastic at both ends, and plugged with plastic plugs, and packed with appropriate packaging materials. Special packaging shall be agreed upon by the supply and demand parties. 8.3 Transportation
Handle with care during transportation to prevent mechanical collision and sun and rain. 8.4 Storage
Aluminum-coated films should be stored in a clean, dry and ventilated warehouse, properly stacked, 2I to 1 away from heat sources, away from corrosive media, and not exposed to direct sunlight. The storage period is generally not more than one year from the date of production. If it exceeds one year, it can be re-inspected according to this standard. If the quality meets the requirements of this standard, the product can still be used. Copyright exclusive infringement must be investigated
Book number: 155066·2-34670
BB/T0030-2019
Pricing:
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