This standard specifies the definition, requirements, test and inspection rules for composite intermediate bulk containers for dangerous goods. This standard applies to the performance inspection of composite intermediate bulk containers for dangerous goods. GB 19434.6-2004 Safety specification for inspection of composite intermediate bulk containers for dangerous goods Performance inspection GB19434.6-2004 Standard download decompression password: www.bzxz.net

ICS 13. 300;55. 020
National Standard of the People's Republic of China
GB 19434.62004
Safety code for the inspection of composite IBCs for dangerous goodsPerformance tests
Issued on January 16, 2004
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 July 1, 2004
GB19434.6—2004
Chapter 4, Chapter 5 and Chapter 6 of this standard are mandatory, and the rest are recommended.
The degree of consistency between this standard and the United Nations Recommendations on the Transport of Dangerous Goods Model Regulations (13th revised edition) is not equivalent. This standard is proposed and managed by the National Technical Committee for Standardization of Dangerous Chemicals Management (SAC/1C 251). The responsible drafting unit of this standard is Beijing Entry-Exit Inspection and Quarantine Bureau. The participating drafting units of this standard are: Dangerous Goods Central Laboratory of the General Administration of Quality Supervision, Inspection and Quarantine, Dajin Entry-Exit Inspection and Quarantine Bureau, and Jiangnan University.
The main drafters of this standard are Tang Shutian, Zheng Libing, Feng Zhijie, Zhao Qing, Jiang Xuefeng, and Zhang Yong. 1
Safety specification for inspection of composite intermediate bulk containers for dangerous goods Performance inspection
This standard specifies the definition, requirements, test and inspection rules for composite intermediate bulk containers for dangerous goods. It does not apply to the performance inspection of composite intermediate bulk containers for dangerous goods. 2 Normative references
GB 19434.6--2004
The clauses in the following documents become the clauses of this standard through reference in this standard. For any document with a date, all subsequent amendments (excluding errata) or revisions are not applicable to this standard: however, parties to an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any document without a date, the latest version shall apply to this standard. GB19434.12004 General Rules for Safety Specifications for Inspection of Intermediate Bulk Containers for Dangerous Goods SN/T0987.3—2001 Performance Inspection Procedure for Intermediate Bulk Containers for Export of Dangerous Goods Composite Intermediate Containers United Nations Recommendations on the Transport of Dangerous Goods (13th Revised Edition) 3 Terms and Definitions
GB19434.! --2004 The following terms and definitions are applicable to this standard. 3.1
Composite IBCs
Also known as composite IBCs, are those that meet the definition of intermediate bulk containers in GB 194341-2004 and consist of a rigid outer packaging, an inner plastic container and all its auxiliary equipment and structural devices. Its structural feature is that once the outer packaging and the inner container are assembled together, they should form a single whole and be used as a whole during the entire process of loading, storage, transportation and cargo handling. Composite intermediate bulk containers include the following types:
) 11HZ1 is a composite intermediate bulk container with a rigid plastic inner container for transporting solids using gravity loading and unloading; b) 11HZ2 is a composite intermediate bulk container with a flexible plastic inner container for transporting solids using gravity loading and unloading; 21HZ1
21H22 is a composite intermediate bulk container with a rigid plastic inner container for transporting solids using pressure loading and unloading. , composite intermediate bulk container with flexible plastic inner container; e)
composite intermediate bulk container with rigid plastic inner container for transporting liquids; 31HZ1
31HZ2 composite intermediate bulk container with flexible plastic inner container for transporting liquids; the letter "Z" in the above code should be replaced by a capital letter indicating the nature of the outer packaging material in accordance with the requirements of GB19434.1-2004.
rigid inner receptacle refers to a container that is not closed and has no outer packaging. When the inner container is empty, its shape remains unchanged. 3.3
flexible inner receptacle flexible inner receptacle other non-rigid inner containers are called case inner containers. 4 Requirements
4.1 The inner container has the function of containing only when it is equipped with an outer package. GB 19434.6—2004
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4.2 The outer packaging is usually made of rigid materials to protect the inner container from mechanical damage during transportation and loading and unloading, but the outer packaging cannot completely fulfill the function of loading goods. If necessary, the outer packaging should include a chassis. 4.3 The design of the composite medium-sized container with a completely closed outer packaging should be able to confirm the integrity of the inner container after leakage and hydraulic tests.
4.43 The volume of the IJIZ2 medium-sized container shall not exceed 1250L. 4.5 The inner and outer containers should be made of suitable materials of known standards: their strength should be sufficient to suit their capacity and purpose, and the manufacturing materials should be sufficient to resist aging and damage caused by the substances contained in them being exposed to close external rays under certain circumstances. Degradation. When necessary, low-photometric performance should be considered. Under normal transport conditions, any permeability of the contained material should not be dangerous. 4.6 When ultraviolet protection is required, isolation barriers or the addition of carbon black or other suitable pigments or inhibitors should be used. These additives should be compatible with the contents and remain effective throughout the service life of the inner container. If the carbon black, pigment or inhibitor used is different from the additives used in the manufacture of the design type inspection sample, retesting can be exempted as long as the content of carbon black, additives or inhibitors does not have an adverse effect on the physical properties of the manufacturing material. 4.7 In addition to the use of ultraviolet protection additives, the composition of plastic materials may also include some additives for other purposes, but these additives shall not have an adverse effect on the physical and chemical properties of the material. 4.8 Except for the residual materials and their regeneration produced by the same production process, the inner container and outer packaging shall not be made of original materials. 4.9 Intermediate bulk containers used to hold liquids should have a decompression device. The decompression device should be able to discharge sufficient steam to prevent the inner container from rupture when the internal pressure of the container exceeds its hydraulic test pressure. Conventional pressure devices may be used, and other equivalent methods may also be used. 4.1031 The inner packaging of HIZ2 type intermediate bulk containers shall consist of at least three layers of film. 4.11 The structure of the outer packaging and the strength of its material shall be suitable for the purpose of the capacity of the composite intermediate bulk container and shall not have any protrusions that may damage the inner packaging. Steel or other outer packagings shall be made of suitable metal with sufficient thickness. 4.12 Outer packagings made of natural materials shall be made of wood that has been initially air-dried, dried, and free of any defects that may reduce the strength of any part of the packaging. The top and bottom of the outer packaging shall be made of wood that has been waterproofed, such as hardwood boards, particle boards or other suitable types.
4.13 Plywood outer packaging shall be made of fully air-dried rotary sawn wood chips, algae wood chips or sawn wood chips. The material shall be dry and free of any defects that may reduce the strength of the packaging. Adjacent layers shall be bonded with waterproof glue. Other suitable materials may also be used together with plywood to make packaging. The packaging materials shall be nailed or fastened to the corners and the upper and lower ends. Other equivalent and suitable devices may also be used for assembly. 4.14 The four walls of the regenerated wood outer packaging shall be made of waterproof regenerated wood, such as high-pressure board, particle board or other suitable types. The other parts of the packaging may be made of other suitable materials. 4.5 The fiberboard outer packaging shall be made of high-strength and good-quality solid or double-sided corrugated fiberboard (single or multi-layer) according to its capacity and purpose. The waterproof performance of the outer surface of the packaging shall be guaranteed to be tested for more than 30 minutes using the Cobb method for water absorption. The weight increase measured by the test shall not exceed 155g/m2. The fiberboard shall have appropriate flexibility. There should be no marks and seams when cutting and folding the fibers to ensure that the surface is intact during installation, without breaks, damage or excessive bending. The corrugated fiberboard should be glued to the surface material with waterproof glue.
4.16 Both ends of the fiberboard should be made of water-resistant materials or completely, and the strength can be enhanced by using strips. The main connection parts of the fiberboard outer packaging should be fastened with adhesive strips. Overlap and glue, or overlap and fasten with composite U-shaped nails. The spliced ​​parts should have a corresponding overlap length. Adhesion should be used, and waterproof glue should be used at the sealing of the adhesive strips. The outer packaging of the 31HZ2 composite intermediate bulk container should seal all sides of the inner container. 4. 173
4.18 Characteristics of components of composite intermediate bulk containers: Complete or removable chassis shall be suitable for mechanical loading operations when the intermediate bulk container is loaded to its maximum gross mass. 4.19 The design of the pallet or complete chassis shall prevent any protrusions that may cause damage during loading and unloading. 4.20 The outer packaging shall be fastened to the removable chassis to ensure its stability during loading, unloading and transportation. The removable chassis used should not have any protrusions that may damage the intermediate bulk container. 4.21 Technical supports and similar reinforcement devices used to increase stacking performance should be located outside the inner container. GB19434.6-2004
4.22 The stacking load-bearing surface of composite intermediate bulk containers suitable for stacking should be able to safely spread the load. Such intermediate bulk containers should be designed to ensure that their inner containers do not bear any loads accumulated on them. 4.23 Composite intermediate bulk containers should be subjected to sealing tests when they are used for the first time and when they are put back into use after repair. During the test, the intermediate bulk container need not be equipped with its own closure device. The performance test requirements for composite intermediate bulk containers are shown in Table 1. 4.24
Table 1 Performance test requirements
Bottom lifting test
Top lifting test
Main body test
Impeccability test
Low pressure test
Drop test
5 Tests
5.1 Test items
No loss of contents. No permanent deformation of the intermediate bulk container, including the bottom pallet, that may endanger the safety of transport. No loss of contents. No permanent deformation of the intermediate bulk container, including the bottom pallet, that may endanger the safety of transport. No loss of contents. No permanent deformation of the intermediate bulk container, including the bottom pallet, that may endanger the safety of transport. No air leakage
No leakage or any permanent deformation that may endanger the safety of transport of the intermediate bulk container. No loss of contents. If a small amount of the contents leak out of the seal when dropped, it shall be judged as qualified as long as there is no further leakage. The test items of composite intermediate bulk containers are shown in Table 2. Table 2 Test items Test item Date Bottom lifting test Top lifting test Stacking test Leakage prevention test Hydraulic test Drop test 1IHZE.11HZ2 Requirement Requirement Requirement Requirement" Not required Not required Type of intermediate bulk container 21HZ1.2IHZ23IHZI .31HZ2
Requirement·
Requirement·
Requirement·
When the intermediate bulk container is designed for this type of filling, at least one of the tests (pre-lift or bottom lift) shall be carried out. If the intermediate bulk container is designed for male filling, at least one of the tests shall be carried out. 5.2 Sampling quantity
Sampling quantity for different test items3
Table 3 Sampling quantity
Test items
Bottom lift test
Top lift test
Female filling test
Leakage test
Hydraulic test
Drop test
Sampling quantity
Unit price is per piece|| tt||GB19434.6—2004
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5.2.2 Without affecting the test results, it is allowed to reduce the number of samples and conduct multiple tests on one sample at the same time. 5.3 Test preparation: The composite intermediate bulk container with fiberboard outer packaging should be treated at least 24 hours under the atmospheric conditions of controlled temperature and relative humidity. There are three selection methods, from which one can be selected. It is recommended to choose the atmospheric conditions with controlled temperature of 23℃±2℃ and relative humidity of 50%±2%. The other two methods are to control the temperature at 20℃±2℃ and relative humidity at 65%±2%, or to control the temperature at 27℃±2℃ and relative humidity at 65%±2%. || tt||Note: The average value should be within these ranges. Short-term fluctuations and volume limitations can cause relative humidity changes of up to ±3%, which has no significant effect on test repeatability. 5.4 Test content
5.4.1 Bottom lifting test
5.4.1.1 Applicable range: Composite intermediate bulk containers with bottom lifting devices. 5.4.1.2 Sample preparation: The intermediate bulk container should be filled to 1.25 times its maximum permissible total mass, and the load should be evenly distributed. 5.4.1.3 Test method: Conduct in accordance with the requirements of 6.3.1.3 of 5N/T0987.3. 5.4.2 Top lifting test of intermediate bulk containers Applicable range: Composite intermediate bulk containers with top lifting devices. 5. 4. 2. 1
5. 4. 2. 2t
Sample preparation The intermediate bulk container shall be filled to twice its maximum permitted total mass. 5.4.2.3
Test method: Perform in accordance with the requirements of 6.3.2.3 of SN/T 0987.3. 5.4.3 Stack test
Applicable to composite intermediate bulk containers stacked in standard format. 5.4. 3. 1bzxz.net
Sample preparation The intermediate bulk container shall be filled to twice its maximum permitted total mass. 5. 4. 3. 2
Test method: Perform in accordance with the requirements of 6.3.3.3 of SN/T 0987.3. 5.4.3.3
Calculation of test load: The test load applied to the intermediate bulk container shall be at least 1.8 times the sum of the maximum permissible total mass of the number of identical intermediate bulk containers stacked on it during transportation. 5.4.4 Anti-leakage test
5.4.4.1 Scope of application: 21HZ1, 21HZ2, 31HZ1.31HZ2 composite intermediate bulk containers. 5.4.4.2 Sample equipment: The ventilated closing device can be replaced by a similar non-ventilated closing device, or the vent port can be blocked. 5.4.4.3 The test method and the applied pressure shall be carried out in accordance with the requirements of 6.3.4.3 of SN/T0987.3. 5.4.5 Hydraulic test
5.4.5.1 Scope of application: 211I21, 21H72, 31H7, 1, 31HZ2. 5.4.5.2 Sample preparation: The safety relief device and the ventilation closing device should be in the non-operating state, or these devices should be removed and the opening should be blocked.
5.4.5.3 Test method: According to SN/T 0987.3 E.3.5. 3, 5.4.5.4 Applied force:
21HZ1 and 21HZ2 intermediate bulk containers; 75kPa (gauge pressure) a)
31HZ1 and 31HZ2 intermediate bulk containers: The smaller of the two values ​​br
The first value is determined by any of the following methods: 1) At 55℃, the total gauge pressure measured in the intermediate bulk container (that is, the vapor pressure of the loaded substance plus the local pressure of air or other inert gas minus 100kPa) multiplied by a safety factor of 1.5: The total gauge pressure should be calculated based on the maximum filling degree and 15 filling temperature specified in the United Nations Recommendations on the Transport of Dangerous Goods Model Regulations; or 2) 1.75 multiplied by the vapor pressure of the loaded substance at 50 minus 100kPa, but the minimum test pressure should be 100 kPa; or
3) 1.5 times the vapor pressure of the substance being transported at 55t: minus 100kFa, the minimum test pressure should be 100kPa. The second value is determined by the following method: 2 times the static pressure of the substance being transported - but the minimum test pressure becomes 2 times the static pressure of water, 5.4.6 Drop test
5.4.6.1 Scope of application: for various intermediate bulk containers GB 19434.6-2004
5.4.6.2 Sample preparation: According to the design type of the intermediate bulk container, the solid should be filled to not less than 95% of its capacity, and the liquid should be filled to not less than 98% of its narrow volume. The pressure relief device should be fixed in the non-working state, or it should be removed and the opening blocked. The test of the intermediate bulk container should be carried out when the temperature of the test sample and its contents drops to -18°C or lower. Samples tested by this method can be exempted from the treatment specified in 6.2. If the material of the test sample has sufficient ductility and tensile strength at -18℃ or higher, this temperature treatment condition can be ignored. The test body should remain in a liquid state, and antifreeze can be added if necessary. 5.4.6.3 Test method: According to the requirements of 6.3.6.3 in SN/T 0987.3. 5.4.6.4 Drop height: See Table 4.
Table 4 Drop height
[Level packaging
Level II packaging
Level II packaging
Unit: meter
5.4.6.5 When the box to be loaded with liquid is subjected to drop test, if another substance is used instead, the relative density and viscosity of this substance should be similar to that of the substance to be transported. Water can also be used for drop test, and the drop height is as follows: a) If the relative density of the substance to be transported does not exceed 1.2, the drop height is shown in Table 4. b) If the relative density of the substance to be transported is greater than 1.2, the drop height should be calculated based on the relative density of the substance to be transported (rounded to the first decimal place), see Table 5.
Table 5 Calculation of drop height
I level packaging
6 Inspection regulations
Second level packaging
Sub-level packaging
Unit is meter
6.1 Manufacturer 1 It should ensure that the produced intermediate bulk containers comply with the provisions of this standard and be inspected by the relevant inspection department in accordance with this standard. According to the provisions of this standard, the products received shall be subject to acceptance inspection. 6.2 Inspection items: Inspections shall be conducted item by item in accordance with the requirements of Chapter 4 and Chapter 5 of this standard. 6.3 Performance inspections shall be conducted for composite intermediate bulk containers when any of the following conditions are met: Performance inspections shall be conducted when new products are put into production or when old products are switched to other products: After formal production, when there are major changes in structure, materials, and processes that may affect product performance. If there are only minor differences between the intermediate bulk container and its design type, such as a slight reduction in external dimensions, selective testing may be allowed for this intermediate bulk container;
During normal production, once every six months;
When the product is resumed after long-term suspension of production; When the test results are significantly different from the last performance test results: The national quality supervision agency proposes to conduct performance inspections. 6.4 Judgment rules: Inspections shall be conducted in accordance with the requirements of the standard. If one sample of each item fails, the item is judged to be unqualified. If one item fails, the batch of products is judged to be unqualified.
6.5 Disposal of unqualified batches: After the composite medium-sized bulk wearers in the unqualified batch are eliminated, they will be submitted for inspection again with the same strictness.
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