GB/T 13508-2011 Polyethylene Blow Molded Containers GB/T13508-2011 Standard download decompression password: www.bzxz.net
This standard specifies the product structure, specifications, requirements, test methods, inspection rules, marking, packaging, transportation and storage of polyethylene blow molded containers. This standard is applicable to plastic bottles, cans and barrels (hereinafter referred to as containers) with a volume of less than 250L (including 250L) and a filling temperature of less than 50℃ and a storage temperature of less than 40℃, which are made of polyethylene as the main raw material and formed by blow molding. Blow molded containers above 250L can refer to this standard. This standard does not apply to dangerous goods and food packaging containers.
This standard was drafted according to the rules given in GB/T1.1-2009.
This standard replaces GB/T13508-1992 "Polyethylene Blow Molded Barrels".
Compared with GB/T13508-1992, the main changes of this standard are as follows:
———The name of the standard is changed to "Polyethylene Blow Molded Container";
———The applicable scope of the standard is expanded; it is clarified that this standard does not apply to dangerous goods and food packaging containers;
———Added packaging containers with breathable mouth and lid structure; containers with liquid level line and multi-layer containers;
———Added the provisions of container handle structure, shape, large and small diameter;
———Added the test method of capacity deviation;
———Modified the requirements of capacity deviation, mass deviation, size deviation, wall thickness ratio and minimum wall thickness of symmetrical parts, and internal liquid resistance test;
———Modified the drop test;
———Modified the judgment rules and sampling plan;
———Deleted the classification;
———Deleted Appendix A.
This standard is proposed by China Light Industry Federation.
This standard is under the jurisdiction of National Technical Committee for Standardization of Plastic Products (SAC/TC48).
The drafting units of this standard are: Foshan Nanhai Dongxing Plastic Can Co., Ltd., Light Industry Plastic Processing Application Research Institute, Foshan Nanhai District Standardization Research and Promotion Center.
The main drafters of this standard are: Luo Yizi, Xiao Ling, Li Jietao, Pang Qixiong, Liang Guangwei, Zhou Yuqiang, Li Xianjian. The
previous versions of the standards replaced by this standard are:
——GB/T13508—1992.
The following documents are indispensable for the application of this document. For all dated referenced documents, only the dated version applies to this document. For all undated referenced documents, the latest version (including all amendments) applies to this document.
GB/T2828.1—2003 Sampling inspection procedures by attributes Part 1: Sampling plan for batch inspection based on acceptance quality limit (AQL)
GB/T16288 Marking of plastic products

ICS 83.140
National Standard of the People's Republic of China
GB/T13508—2011
Replaces GB/T13508—1992
Polyethylene blown containers
Polyethylene blown containersIssued on 2011-12-30
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of ChinaStandardization Administration of the People's Republic of China
Implemented on 2012-09-01
This standard is based on the rules given in GB/T1.1—2009. This standard replaces GB/T13508—1992 Polyethylene blown barrels. Compared with GB/T13508-1992, the main changes of this standard are as follows: the name of the standard is changed to "Sangyi ethylene blow molding container", GB/T13508-2011
- The capacity application scope of the standard is expanded, and it is clarified that this standard does not apply to dangerous goods and food packaging containers;- Added permeable mouth and cover structure packaging containers, liquid level line containers and multi-layer containers;- Added the provisions of container handle structure, shape, large and small diameters: Added the test method of capacity deviation:
- Modified the requirements of capacity deviation, quality deviation, size deviation, symmetrical part thickness ratio and minimum wall thickness, and internal liquid resistance test; Modified the drop test!
-… Modified the judgment rules and sampling plan, deleted the classification;
Deleted Appendix A.
This standard is proposed by the China Light Industry Federation. This standard is under the jurisdiction of the National Plastic Products Standardization Technical Committee (SAC/TC48). This standard was drafted by: Foshan Nanhai Dongxing Plastic Can Co., Ltd., Light Industry Plastic Processing Application Research Institute, Foshan Nanhai District Standardization Research and Promotion Center.
The main drafters of this standard are: Luo Yizi, Xiao Ling, Li Jietao, Pang Qixiong, Guang Wei, Zhou Yuqiang, Li Xianjian. The previous versions of the standard replaced by this standard are: GE/T13508-1992.
1 Scope
Polyethylene blow molded containers
GB/T 13508-2011
This standard specifies the product structure, specifications, requirements, test methods, inspection rules, marking, packaging, transportation and storage of ethylene blow molded containers.
This standard is applicable to plastic bottles, cans, and barrels (hereinafter referred to as containers) with a volume of less than 250L (including 250L) and a filling temperature of less than 50℃ and a storage temperature of less than 40℃, which are made of ethylene as the main raw material and formed by blow molding. Blow-molded containers above 250L can refer to this standard.
This standard is not applicable to dangerous goods and food packaging containers. 2 Normative references
The following documents are essential for the application of this document. For all references with dates, the versions with dates apply to this document. For all references without dates, the latest versions (including all amendments) apply to this document. GB/T2828.1-2003 Sampling inspection procedures for attributes Part 1: Sampling plan for batch inspection based on acceptance quality limit (AQL)
GB/T16288
Marking of plastic products
3 Product structure
3.1 Diameter
It is divided into open type and closed type. The diameter of the injection port is greater than 70mm for open type, and the diameter of the injection port is not greater than 70m for closed type. The packaging container used to hold liquids should be closed type. 3.2 Handles
are divided into integral type, installation type and end handle type. Integral type: blow-molded at one time, installation type: blow-molded and assembled at fixed position, end handle type: blow-molded concave and convex parts for moving. 3.3 Mouth and cover
are divided into threaded or other structures.
3.4 ​​Liquid level line
Whether there is a liquid level line and its position can be negotiated by the supplier and the demander. 3.5 Multilayer container
Container with two layers (or more) made by co-extrusion blow molding process.1
GB/T 13508--2011
3.6 Breathable container
Container with mouth and lid structure that has liquid sealing performance and is breathable.4 Specifications
Not specified below 5L 5, 10, 15, 20, 25, 30, 40, 50, 60, 100, 120, 125 150, 160, 180, 200, 220, 230. 250L is the preferred specification.
5 Requirements
5. 1 Full mouth capacity deviation
Full mouth capacity should not be less than 1.05 times the nominal capacity.5. 2 Quality deviation
The allowable deviation between the actual quality and the approved quality of the container body (excluding the cover) shall comply with the requirements of Table 1. Table 1 Quality deviation
Quality situation
5.3 Dimension deviation
The allowable deviation between the actual size and the designed size of the container shall comply with the provisions of Table 2. The outer diameter of square and fan-shaped containers is calculated based on the diagonal length.
Table 2 Dimension deviation
Dimension deviation
5.4 Appearance
The appearance shall comply with the requirements of Table 3.
40-250wwW.bzxz.Net
Maximum length 1
Poor plasticization
Crack hole
Liquid level line clarity
Matching of mouth and cover
5.5 Wall thickness
Table 3 Appearance requirements
10~~50
GB/T 13508—2011
60~250
There shall be no space less than 30m between the screw mosquito and the bottom of the container. The number of bubbles shall be less than 5
46 and no more than 3 per 100cm surface. The number shall be dispersed and shall not affect the use; I≤0.5 mm is not counted, no impurities are allowed to be pierced. The inner wall of the container is not allowed to be plain or granular.
There should be no deformation that affects the use
Slight oil pollution is allowed
Slight color difference is allowed, the inner color of the multi-layer container shall not be exposed. The inside of the hollow handle shall not be adhered or accumulated. Slight, about less than 5% of the surface area
Slight stain, about less than 10% of the surface area
It is not allowed to affect the overall aesthetics of the container. It can slide to the liquid level of the contents
The fit is appropriate; when using a threaded structure, the wall thickness ratio and minimum wall thickness of the symmetrical parts of the container above Figure 1 should meet the requirements of Table 4. Table 4 Symmetrical wall thickness ratio and minimum wall thickness specifications
Minimum thickness
Symmetrical wall thickness ratio
Minimum wall thickness
Symmetrical wall thickness ratio
≤1,3-1
GB/T13508--2011
5.6 Liquid level line requirements
The liquid level line shall comply with the provisions of Table 5.
Minimum width of liquid level line
Liquid level scale capacity deviation
Level line width
Degradation 5 Liquid level damage requirements
Can be seen inside the level
Note: For more than 5L, this requirement can also be referred to or agreed upon by both parties. 5.7 Physical and mechanical performance requirements
The physical properties shall comply with the requirements of Table 6,
Table 6 Performance requirements
Sealing test
Drop test
Suspension test
Stacking test
Stress cracking test"
Inner filling test\
Ultimate filling liquid (water)
Analog filling solid (sand)
Nominal volume
Residual deformation
No leakage, the vent and the bottom should be ventilated
No damage, no support, a small amount of liquid is allowed at the mouth of the container when impacted, and no leakage shall occur afterwards
No damage, no cover , if all the contents remain in the sample, even if the closure device no longer prevents sieving, the sample has passed the test 5
does not fall over
the number of opened samples (container body, profit) is less than 50% of the number of test samples in accordance with the provisions of 1.2 and 4 of this table
, containers with only end-hand structures do not undergo this test; containers with a structure that cannot be erected are subject to the cooperation of the supply and demand parties on whether to conduct this test "Containers that have passed the internal liquid resistance test do not undergo this test: internal moisture resistance test If the supply and demand parties believe that it does not affect the use, this test can be omitted. 4
60~250
6 Test method
6.1 Test samples
6.1.1 Products can be tested only after 24 hours of demoulding. 6.1.2 Number of samples: the number of wall thickness test samples shall not be less than 5, and the number of samples for other inspection items shall not be less than 3. 6.2 Full capacity deviation
GB/T 13508—2011
Take three samples, and place the container below 50 L on a scale with an accuracy better than 0.01 kg, and the container above 60 L on a scale with an accuracy better than 0.1 kg scale, fill it with tap water at a temperature of (23 ± 2) °C, measure the mass of the water, then convert it into capacity according to the water density of 1 kg/L, and calculate the deviation relative to the nominal capacity, and then calculate according to the method in formula (1), take the average value of three samples, accurate to 0.01. Po
Where:
P——full capacity deviation, expressed in times; Qi——full load capacity, unit is liter (L), Q2——nominal capacity, unit is liter (L). 6.3 Mass deviation
Containers with a certified mass below 0.5 kg shall be weighed with an accuracy of not less than 1 g, and the rest shall be weighed with a scale with an accuracy of not less than 5 and calculated according to formula (2), accurate to 0.1%.
mm×100%
Where?
9—mass deviation, %,
m1—actual mass, in grams (g): m—approved mass, in grams (g).
6.4 Dimensional deviation
....(2)
Measured by measuring tools with an accuracy of 0.5 mm, the maximum vertical projection dimension of the sample container body is the outer diameter dimension (excluding the handle part) and the maximum horizontal projection dimension of the sample is the height dimension. The difference between the vertical projection dimension and the design dimension is the dimensional deviation, accurate to 1 mm. 6.5 Appearance
Bubbles and black spot impurities are measured by measuring tools with an accuracy of 0.02 mm. The sticky handle inspection adopts the method of filling water into the sample to check whether the inside of the handle is ventilated and liquid is accumulated. The other items are visually inspected under natural light. 6.6 Wall thickness
6. 6. 1Measured by measuring tools with an accuracy of not less than 0.02 mm. 6.6.2 Symmetrical part wall thickness ratio: Take the midline of the mold joint on the middle section of the container body or the midline perpendicular to it as the symmetry axis (see Figure 1), select any symmetrical points on the surface that are not on the same side, measure the wall thickness, and calculate according to formula (3). N
GB/T 13508—2011
In the formula,
n Symmetrical part wall thickness ratio
Thicker wall thickness, unit is millimeter (rm)
N, - Thinner wall thickness, unit is meter (mm)Hra
Figure 1 Schematic diagram of symmetrical parts of container body
6.6.3 Minimum wall thickness: Use a thickness gauge or other method to find the thinnest part of the container (except the end, bottom and container neck), measure it, and take the minimum value among the 5 specimens as the test result. 6.7 Liquid level line
6.7. 1 Liquid level line width
Measured by measuring tool with accuracy of 0.02 mm. 6,7. 2 Liquid level scale capacity deviation
Use a weighing instrument with accuracy of not less than 0.01 kg, take the maximum marked capacity scale, fill it with water with a temperature of (23 ± 5) °C, measure the mass of water, and then convert it into capacity according to the density of water 1kg/L, and calculate the deviation relative to the nominal capacity, and then calculate according to formula (4), and take the deviation with the largest absolute value as the test result.
Where:
V-liquid level scale capacity deviation, %,
Br-B×100
B,—maximum marked capacity, in liters (L) B,—nominal capacity pan, in liters (L).
6.7.3 Liquid level damage and clearness
Visual inspection at 500mm distance under natural light,
6. 8 Sealing test
Inject water of nominal capacity into the sample and tighten it. The closed sample is placed horizontally on the flat ground (the container mouth is close to the ground) and checked after 4 hours; the open sample is tilted 45° to the left and right, and reciprocated 20 times at a uniform speed for 110s~130s before being checked. The permeability of the gas permeable container is tested with a pressure of 0.01 MPa. 6, 9 Drop test
Inject (20±5)℃ water into the closed sample according to the nominal capacity and cover it; drop it from the height specified in the table so that the bottom of the sample hits the flat cement floor. The same sample is dropped three times in a row. For open containers, the mass of the solid filled shall not be less than the mass of the water in the nominal capacity.
Drop height
6.10 Hanging test
Drop height
60-100
G/T 13508-—2011
125~25D
Fix the load at the bottom of the sample according to the form of Figure 2 and Table 8. Then use a U-shaped hook with a diameter of 8mm~12m and a curvature radius of 40m to hang the center of the sample handle, slowly lift it, hang it for 15 minutes and then put it down, remove the load, let it stand for 5 minutes and then check it, measure the deformation of the hanging position,
Suspension load
Nominal capacity
Load mass
Nominal capacity
Single ring load|| tt||Mass kg
1—Electric reed,
2—Suspension;
3—Viewing equipment!
4—Test sample,
Fixed belt:
6—Weight.
Reference plane
Testing surface
Bending direction
Deformation amount
After the test
Suspension equipment
Quick pin cylinder
U-shaped screen
Figure 2 Schematic diagram of suspension tool and suspension test
GB/T 13508--2011
6.11 Stacking test
Stack the samples with nominal volume of water 3 high, without any support on the four sides, and place them at room temperature for 48 hours before checking. 6.12 Stress cracking test
Inject a reagent (containing a 7% aqueous solution of surfactant TX-10, i.e. octylphenyl oxyethylene aldehyde) accounting for 10% of the nominal volume and at a temperature of (20±5)℃ into the sample, tighten the cover, and place it at (60±5)℃ for 72 hours, then check the container body and cover. 6. 13 Internal liquid resistance test
Inject the internal liquid required by the customer in the nominal volume into the sample, place it in an environment of (20±5)℃ for 180 days, then replace the internal liquid with the same amount of water, and then test it according to 6.8, 6.9, and 6.11. 7 Inspection rules
7.1 Factory inspection
7.1.1 Containers of the same specification, color, and formula are a batch. The number of containers with a volume not greater than 5L shall not exceed 50,000 per batch, the number of containers with a volume of 10L~50L shall not exceed 10,000 per batch, the number of containers with a volume of 60L~125L shall not exceed 8,000 per batch, and the number of containers with a volume of 140L~250L shall not exceed 5,000 per batch.
7.1.2 The factory inspection items shall be in accordance with the provisions of 5.1~5.4. Sampling and judgment shall comply with the provisions of Table 9 (AQL value is 4.0, general inspection level I). The secondary sampling plan can be adjusted according to the transfer rules specified in 10.1 and 10.2 of GB/T2828.1-2003. Table 9 Sampling and judgment
501~1200
1200~3200
3 201~10 000
10001-35000
35 000-150 000
7.2 Type inspection
Sample size
Type inspection should be carried out when any of the following situations occurs: Cumulative sample plate
Trial determination and appraisal of new products going into production or old products changing production lines: a)
Acceptance number Ac
After formal production, when there are major changes in structure, materials, and processes that may affect product performance; during normal production, one inspection shall be carried out every year,
d) When the product has been discontinued for more than half a year and production is resumed; 8
The unit is pieces
Rejection number Re
e) When the factory inspection results are significantly different from the results of the previous type inspection. 7.3 Determination rules
7.3.1 Determination of qualified items
GB/T 13508—2011
The capacity deviation, quality deviation, size deviation and appearance of the container shall be determined according to Table 9. If the inspection results of other items are unqualified, the sample shall be doubled again from the original batch and the item shall be re-inspected. If all the re-inspection results are qualified, the item is qualified. If the re-inspection results are still unqualified, the item is unqualified.
7.3.2 Determination of qualified items
If the inspection results of the capacity deviation, quality deviation, size deviation and wall thickness deviation, appearance and physical performance requirements of the container are all qualified, the batch is qualified. If one item is unqualified, the batch is unqualified. 7.3.3 Determination rules for factory inspection
Inspect according to 5.1~5.4. If it meets the requirements of Table 9, it is judged as a qualified batch, otherwise it is judged as unqualified. 8 Labeling, packaging, transportation and storage
8.1 Each container should be marked with the manufacturer's name, production year and month, trademark and nominal capacity. Each batch of containers should have a certificate of conformity and an instruction manual (the instruction manual must indicate that the container must not be corroded or otherwise chemically reacted by the contents). 8.2 The container recycling mark should comply with the provisions of GB/T16288. 8.3. The packaging can be determined according to the ordering unit's requirements. 8.4 Avoid dropping during transportation and avoid collision with hard and sharp objects. 8.5 The container should be stored away from sunlight and should be covered during storage. The storage period is two years from the date of production.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.