Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 19532-2004 Packaging material - Volatile corrosion inhibiting film.
In addition to editorial changes, the following main technical changes have been made with respect to GB/T 19532-2004:
——The normative references are updated and some are deleted (see Clause 2; Clause 2 of Edition 2004);
——The product classification is modified and classifications by structure and bag shape are deleted (see Clause 3; Clause 3 of Edition 2004);
——Requirements for grits and oil spots in appearance are deleted (see 4.1; 4.1 of Edition 2004);
——Requirements for the diameter deviation and bending of roll core are modified (see 4.2.2; 4.2.2 of Edition 2004);
——Requirements for bag-shaped products are deleted (see 4.2.4 of Edition 2004);
——The volatile inhibiting ability for corrosion, VIA after consumption, compatibility with copper and technical requirements for cyclic damp heat test are modified (see 4.3; 4.3 of Edition 2004);
——Requirements for volatile corrosion inhibiting screening test are deleted (see 4.3 of Edition 2004);
——Weld strength requirements are modified (see 4.4; 4.4 of Edition 2004);
——The “puncture strength” is modified to "impact strength” (see 4.4; 4.4 of Edition 2004);
——The tear strength requirements and corresponding testing method are modified (see 4.4; 4.4 of Edition 2004);
——The name and requirements of blocking resistance are modified (see 4.4; 4.4 of Edition 2004);
——Some marking contents are moved to Clause 7 (see Clause 7; 4.5 of Edition 2004);
——Requirements for the punch in impact strength test are modified (see 5.14; 5.15 of Edition 2004);
——The structure of inspection rules is modified (see Clause 6; Clause 6 of Edition 2004);
——The structure of marking, packaging, transportation and storage is modified (see Clause 7; Clauses 7 and 8 of Edition 2004);
——Requirements for marking and packaging are modified (see 7.1 and 7.2; 7.1, 7.2, 7.3 and 7.4 of Edition 2004);
——Annex A is modified (see Annex A; Annex A of Edition 2004).
This standard was proposed by and is under the jurisdiction of the National Technical Committee on Packaging of Standardization Administration of China (SAC/TC 49).
The previous edition of this standard is as follows:
—— GB/T 19532-2004.
Packaging material - Volatile corrosion inhibiting film
1 Scope
This standard specifies the classification, technical requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of the volatile corrosion inhibiting film.
It is applicable to the production, testing and use of the volatile corrosion inhibiting film (hereinafter referred to as VCIF).
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 678 Chemical reagent - Ethanol
GB/T 687 Chemical reagent - Glycerol
GB/T 699 Quality carbon structure steels
GB/T 2423.4 Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12h+12h cycle)
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 4456 Polyethylene blown film for packaging
GB/T 6672 Plastics film and sheeting - Determination of thickness by mechanical scanning
GB/T 6673 Determination of length and width of plastics film and sheeting
GB/T 8809 Pendulum impact resistance of plastic film
GB/T 12339-2008 Inner packaging materials in preservation
GB/T 16265 Test method of packaging materials - Compatibility
GB/T 16266 Test method of packaging materials - Contact corrosion
GB/T 16578.2 Plastics - Film and sheeting - Determination of tear resistance - Part 2: Elmendorf method
GJB 2748A-2011 Specification for military volatile corrosion inhibiting film
QB/T 1319 Volatile rust preventive paper
SH/T 0692-2000 Rust preventive oils
3 Classification
By use, VCIF can be used for ferrous metal and multi-metal; by product form, it is divided into roll type and sheet type.
Note: The VCIF for ferrous metal is applicable to steel and cast iron, and that for multi-metal is applicable to steel, copper, brass and aluminum.
4 Technical requirements
4.1 Appearance
The surface shall be smooth and clean, and shall be free from perforation, bubble, tear, scratch and other defects.
4.2 Dimensional deviation
4.2.1 Thickness
The thickness is generally 0.05mm~0.15mm. The limit deviation of thickness shall meet those specified in GB/T 4456.
4.2.2 Length and width
4.2.2.1 Rolled VCIF
The deviation of fold diameter or width shall meet those specified in GB/T 4456.
The segments per roll shall not be more than 4 and the length of each segment shall not be less than 20m. The head of the segment shall be marked.
It shall be wound on the roll core firmly and tightly. The length of the roll core shall be 10mm larger than the width of coiled material and shall be made of hard material. The roll core shall be free from bending or deformation during storage, transportation and use.
4.2.2.2 Sheet VCIF
The length and width shall be determined through negotiation between the supplier and the purchaser with the deviation meeting those specified in GB/T 4456.
The sheet VCIF shall be neatly stacked to prevent wrinkles.
4.3 Rust-proof property
It shall meet those specified in Table 1.
Table 1 Requirements for rust-proof property of VCIF
Item Requirement
For ferrous metal For multi-metal a
Volatile inhibiting ability (VIA) for corrosion The rust spots shall not be more than 5 with the diameter not more than 0.3mm.
VIA after consumption The rust spots shall be not more than 5 with the diameter not more than 0.3mm.
Contact corrosion Steel shall not be corroded Steel and aluminum shall not be corroded
Compatibility with copper - No pitting corrosion, erosion, deep discoloration b or corrosion c
Cyclic damp heat test Steel shall not be corroded after 9 cycles Steel shall not be corroded after 9 cycles, brass shall be free from rust spots or blackening and green discoloration after 7 cycles
Long-term anti-corrosion property Steel shall not be corroded
a Tests for metals and coated metals other than steel, copper, brass and aluminum may be carried out according to the items specified in this table.
b Deep discoloration refers to the broken color with magenta color covering brass color, or the broken color (malachite green) with red and green, but without gray.
c Corrosion refers to black, dark gray or brown with only malachite green.
4.4 Physical property
It shall meet those specified in Table 2.
Table 2 Requirements for physical property of VCIF
Item Requirement
Transparency The text shall be clear and easy to read in handover state and after aging at (65±2)℃ for 12d.
Weld strength The weld separation length shall not be more than 25% in the handover state and after aging at (70±2)℃ for 12d.
Water resistance of weld and material Water resistance and no leakage
Impact strength ≥0.5J
Tear strength ≥490mN
Low-temperature flexibility No delamination, cracking or tearing
Oil resistance No leakage, expansion, delamination or embrittlement
Blocking resistance No visible peeling or breakage
Water resistance of mark The mark shall be clear and easy to read
Storage stability VIA: the rust spots shall not be more than 5 with the diameter not more than 0.3mm.
Weld strength: weld separation length shall not be more than 25%
4.5 Mark
When required, each unit package shall be marked with product name, classification and code.
5 Test methods
5.1 Sampling and preprocessing
5.1.1 Sampling method
Samples of rolled products shall be taken after removing the outermost two layers; samples of sheet products shall be taken under the fourth sheet from the top of the packaged products. Samples shall be sealed and packaged.
5.1.2 Preprocessing
Unless otherwise specified, the sample shall be kept in sealed packaging and placed in an environment with a relative humidity of not more than 80% and temperature of 20℃~30℃ for at least 4h before the test.
5.2 Appearance
It shall be visually inspected under natural light.
5.3 Thickness
It shall be tested in accordance with those specified in GB/T 6672.
5.4 Length and width
They shall be tested in accordance with those specified in GB/T 6673.
5.5 Volatile inhibiting ability (VIA) for corrosion
It shall be tested in accordance with those specified in Annex A.
5.6 VIA after consumption
It shall be tested in accordance with those specified in Annex A.
5.7 Contact corrosion
It shall be tested in accordance with those specified in GB/T 16266. Steel test piece shall be used for ferrous metal, and steel and aluminum test piece shall be used for multi-metal.
Foreword i 1 Scope 2 Normative references 3 Classification 4 Technical requirements 5 Test methods 6 Inspection rules 7 Marking, packaging, transportation and storage Annex A (Normative) Test method of volatile inhibiting ability (VIA) for corrosion
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 19532-2004 Packaging material - Volatile corrosion inhibiting film.
In addition to editorial changes, the following main technical changes have been made with respect to GB/T 19532-2004:
——The normative references are updated and some are deleted (see Clause 2; Clause 2 of Edition 2004);
——The product classification is modified and classifications by structure and bag shape are deleted (see Clause 3; Clause 3 of Edition 2004);
——Requirements for grits and oil spots in appearance are deleted (see 4.1; 4.1 of Edition 2004);
——Requirements for the diameter deviation and bending of roll core are modified (see 4.2.2; 4.2.2 of Edition 2004);
——Requirements for bag-shaped products are deleted (see 4.2.4 of Edition 2004);
——The volatile inhibiting ability for corrosion, VIA after consumption, compatibility with copper and technical requirements for cyclic damp heat test are modified (see 4.3; 4.3 of Edition 2004);
——Requirements for volatile corrosion inhibiting screening test are deleted (see 4.3 of Edition 2004);
——Weld strength requirements are modified (see 4.4; 4.4 of Edition 2004);
——The “puncture strength” is modified to "impact strength” (see 4.4; 4.4 of Edition 2004);
——The tear strength requirements and corresponding testing method are modified (see 4.4; 4.4 of Edition 2004);
——The name and requirements of blocking resistance are modified (see 4.4; 4.4 of Edition 2004);
——Some marking contents are moved to Clause 7 (see Clause 7; 4.5 of Edition 2004);
——Requirements for the punch in impact strength test are modified (see 5.14; 5.15 of Edition 2004);
——The structure of inspection rules is modified (see Clause 6; Clause 6 of Edition 2004);
——The structure of marking, packaging, transportation and storage is modified (see Clause 7; Clauses 7 and 8 of Edition 2004);
——Requirements for marking and packaging are modified (see 7.1 and 7.2; 7.1, 7.2, 7.3 and 7.4 of Edition 2004);
——Annex A is modified (see Annex A; Annex A of Edition 2004).
This standard was proposed by and is under the jurisdiction of the National Technical Committee on Packaging of Standardization Administration of China (SAC/TC 49).
The previous edition of this standard is as follows:
—— GB/T 19532-2004.
Packaging material - Volatile corrosion inhibiting film
1 Scope
This standard specifies the classification, technical requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of the volatile corrosion inhibiting film.
It is applicable to the production, testing and use of the volatile corrosion inhibiting film (hereinafter referred to as VCIF).
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 678 Chemical reagent - Ethanol
GB/T 687 Chemical reagent - Glycerol
GB/T 699 Quality carbon structure steels
GB/T 2423.4 Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12h+12h cycle)
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 4456 Polyethylene blown film for packaging
GB/T 6672 Plastics film and sheeting - Determination of thickness by mechanical scanning
GB/T 6673 Determination of length and width of plastics film and sheeting
GB/T 8809 Pendulum impact resistance of plastic film
GB/T 12339-2008 Inner packaging materials in preservation
GB/T 16265 Test method of packaging materials - Compatibility
GB/T 16266 Test method of packaging materials - Contact corrosion
GB/T 16578.2 Plastics - Film and sheeting - Determination of tear resistance - Part 2: Elmendorf method
GJB 2748A-2011 Specification for military volatile corrosion inhibiting film
QB/T 1319 Volatile rust preventive paper
SH/T 0692-2000 Rust preventive oils
3 Classification
By use, VCIF can be used for ferrous metal and multi-metal; by product form, it is divided into roll type and sheet type.
Note: The VCIF for ferrous metal is applicable to steel and cast iron, and that for multi-metal is applicable to steel, copper, brass and aluminum.
4 Technical requirements
4.1 Appearance
The surface shall be smooth and clean, and shall be free from perforation, bubble, tear, scratch and other defects.
4.2 Dimensional deviation
4.2.1 Thickness
The thickness is generally 0.05mm~0.15mm. The limit deviation of thickness shall meet those specified in GB/T 4456.
4.2.2 Length and width
4.2.2.1 Rolled VCIF
The deviation of fold diameter or width shall meet those specified in GB/T 4456.
The segments per roll shall not be more than 4 and the length of each segment shall not be less than 20m. The head of the segment shall be marked.
It shall be wound on the roll core firmly and tightly. The length of the roll core shall be 10mm larger than the width of coiled material and shall be made of hard material. The roll core shall be free from bending or deformation during storage, transportation and use.
4.2.2.2 Sheet VCIF
The length and width shall be determined through negotiation between the supplier and the purchaser with the deviation meeting those specified in GB/T 4456.
The sheet VCIF shall be neatly stacked to prevent wrinkles.
4.3 Rust-proof property
It shall meet those specified in Table 1.
Table 1 Requirements for rust-proof property of VCIF
Item Requirement
For ferrous metal For multi-metal a
Volatile inhibiting ability (VIA) for corrosion The rust spots shall not be more than 5 with the diameter not more than 0.3mm.
VIA after consumption The rust spots shall be not more than 5 with the diameter not more than 0.3mm.
Contact corrosion Steel shall not be corroded Steel and aluminum shall not be corroded
Compatibility with copper - No pitting corrosion, erosion, deep discoloration b or corrosion c
Cyclic damp heat test Steel shall not be corroded after 9 cycles Steel shall not be corroded after 9 cycles, brass shall be free from rust spots or blackening and green discoloration after 7 cycles
Long-term anti-corrosion property Steel shall not be corroded
a Tests for metals and coated metals other than steel, copper, brass and aluminum may be carried out according to the items specified in this table.
b Deep discoloration refers to the broken color with magenta color covering brass color, or the broken color (malachite green) with red and green, but without gray.
c Corrosion refers to black, dark gray or brown with only malachite green.
4.4 Physical property
It shall meet those specified in Table 2.
Table 2 Requirements for physical property of VCIF
Item Requirement
Transparency The text shall be clear and easy to read in handover state and after aging at (65±2)℃ for 12d.
Weld strength The weld separation length shall not be more than 25% in the handover state and after aging at (70±2)℃ for 12d.
Water resistance of weld and material Water resistance and no leakage
Impact strength ≥0.5J
Tear strength ≥490mN
Low-temperature flexibility No delamination, cracking or tearing
Oil resistance No leakage, expansion, delamination or embrittlement
Blocking resistance No visible peeling or breakage
Water resistance of mark The mark shall be clear and easy to read
Storage stability VIA: the rust spots shall not be more than 5 with the diameter not more than 0.3mm.
Weld strength: weld separation length shall not be more than 25%
4.5 Mark
When required, each unit package shall be marked with product name, classification and code.
5 Test methods
5.1 Sampling and preprocessing
5.1.1 Sampling method
Samples of rolled products shall be taken after removing the outermost two layers; samples of sheet products shall be taken under the fourth sheet from the top of the packaged products. Samples shall be sealed and packaged.
5.1.2 Preprocessing
Unless otherwise specified, the sample shall be kept in sealed packaging and placed in an environment with a relative humidity of not more than 80% and temperature of 20℃~30℃ for at least 4h before the test.
5.2 Appearance
It shall be visually inspected under natural light.
5.3 Thickness
It shall be tested in accordance with those specified in GB/T 6672.
5.4 Length and width
They shall be tested in accordance with those specified in GB/T 6673.
5.5 Volatile inhibiting ability (VIA) for corrosion
It shall be tested in accordance with those specified in Annex A.
5.6 VIA after consumption
It shall be tested in accordance with those specified in Annex A.
5.7 Contact corrosion
It shall be tested in accordance with those specified in GB/T 16266. Steel test piece shall be used for ferrous metal, and steel and aluminum test piece shall be used for multi-metal.
Contents of GB/T 19532-2018
Foreword i
1 Scope
2 Normative references
3 Classification
4 Technical requirements
5 Test methods
6 Inspection rules
7 Marking, packaging, transportation and storage
Annex A (Normative) Test method of volatile inhibiting ability (VIA) for corrosion
