GB 28895-2025 English PDF

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Basic data

Standard ID: GB 28895-2025 (GB28895-2025)
Description (Translated English): Protective clothing - Oil-repellent, soil-release, antistatic protective clothing
Sector / Industry: National Standard
Date of Implementation: 2026-09-01
Older Standard (superseded by this standard): GB/T 28895-2012

GB/T 28895-2012: Protective Clothing - Performance Requirements of Oil Repellency, Soil Release, Antistatic Clothing

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Protective clothing.Performance requirements of oil repellency, sorl release, antistatic clothing ICS 13.340.10 C73 National Standards of People's Republic of China Protective clothing anti-oil easy to decontaminate anti-static protective clothing Published on May 11,.2012 2013-05-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Published by China National Standardization Administration

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the State Administration of Work Safety. This standard is under the jurisdiction of the National Personal Protective Equipment Standardization Technical Committee (SAC/TC112). Drafting organizations of this standard. Institute of Quartermaster Equipment, Institute of Production Technology for Emerging Professional Equipment, China Academy of Safety Science, Shantou Aoshan Clothing Co., Ltd., Shengli Oilfield Technical Testing Center, Xianyang Jihuaxin Sanling Printing and Dyeing Co., Ltd. The main drafters of this standard. Zhang Yan, Li Shijun, Zhao Yang, Wu Hanrong, Wu Songbin, Xiang Shiguo, Yu Xinmin, Zhang Xiuwen, and Shi Yanwu. Clothing protection oil resistant easy decontamination antistatic protective clothing

1 Scope

This standard specifies the technical requirements, test methods, markings, etc. of oil-resistant and easy-to-decontaminate antistatic protective clothing. This standard applies to protective clothing worn by workers in the petroleum and petrochemical industries.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 250 Gray Sample Card for Evaluation of Discoloration of Textiles GB/T 2912.1 Determination of formaldehyde in textiles-Part 1. Free and hydrolyzed formaldehyde (water extraction method) GB/T 3917.3 Tear properties of textiles. Part 3. Determination of tearing strength of trapezoidal specimens GB/T 3920 Textile color fastness test GB/T 3921 Color fastness test of textiles GB/T 3922 Test method for color fastness to sweat of textiles GB/T 3923.1 Textiles. Tensile properties of fabrics. Part 1. Determination of breaking strength and elongation at break GB/T 5453 Determination of air permeability of textile fabrics GB/T 7573 Determination of pH value of textile water extract GB/T 8629-2001 Home washing and drying procedures for textile testing GB/T 8630 Determination of dimensional change of textiles during washing and drying GB/T 12703.3 Evaluation of electrostatic properties of textiles. Part 3. Amount of charge GB/T 12704.1 Test method for moisture permeability of textile fabrics. Part 1. Hygroscopic method GB/T 12903 Terms for personal protective equipment GB/T 13640 type of protective clothing GB/T 13773.1 Seam tensile properties of textile fabrics and their products. Part 1. Determination of seam strength by strip method GB 18401 National Safety Technical Specification for Textile Products GB/T 19977 Textile oil resistance and hydrocarbon resistance test GB 21147 Personal protective equipment protective shoes FZ/T 81007-2003 single, clip clothing

3 terms and definitions

The terms and definitions defined in GB/T 12903 and the following apply to this document. 3.1 Easy to decontaminate soilrelease Textiles are easily decontaminated, and after being stained, they are easy to remove by ordinary washing methods.

4 Technical requirements

4.1 Fabric The physical and chemical properties of the protective clothing fabric meet the requirements of Table 1. Table 1 Physical and chemical properties of fabrics Project performance index test method Oil resistance/grade ≥7 before washing, grade ≥5 after 30 washings A.4, 5.2 Easy detergency/level After 30 washes, dark color ≥3-4, light color ≥3 A. 4, 5.3 Breaking strength/N ≥450 5.4 Tear strength/N ≥25 5.5 Moisture permeability/[g/(m2 · d)] ≥6000 5.6 Air permeability/(mm/s) winter clothing ≤40, summer clothing ≥80 5.7 Washing size change rate /% 2.5 ~ -2.5 (warp and weft) 5.8 Color fastness to soaping/grade ≥4 5.9 Sweat fastness/grade summer clothes ≥3-4 5.10 Color fastness to dry friction/grade ≥3-4 5.11 4.2 Lining Clothing linings should be made of anti-static fabrics, and the area of non-anti-static fabrics' bags and reinforced fabrics should be smaller than the inner area of anti-static work clothes. 20%, the cold protection clothing or special clothing lining should be made removable. 4.3 Finished Clothing 4.3.1 Structure 4.3.1.1 The upper body and lower body can be used in split style or clothing (or cap) connected style. Neckline, cuffs, hem and bottom leg of protective clothing It should be tightened when wearing, and the length of the top and bottom separate tops should cover the top of the pants more than 20cm. 4.3.1.2 Metal accessories are generally not allowed on clothing. If it is necessary to use (such as buttons, hooks, zippers), the surface should be covered. So that metal accessories are not exposed directly. 4.3.1.3 When adapting to the movement of the body, it is not easy to cause hooking and grinding. When selecting, the size can be appropriately relaxed. 4.3.2 Size Protective clothing is set according to GB/T 13640. 4.3.3 Appearance 4.3.3.1 All parts should be ironed flat and clean, without yellowing, water stains and light. 4.3.3.2 The area covered by the adhesive lining shall be free of degumming, oozing and wrinkling. 4.3.4 Sewing 4.3.4.1 Needle pitch density shall comply with the provisions of 3.9.1 in FZ/T 81007-2003. 4.3.4.2 Sewing requirements shall comply with the provisions of 3.9.2 to 3.9.14 in FZ/T 81007-2003. 4.3.4.3 The allowable deviation of the dimensions of the main parts of the finished product shall comply with the provisions of 3.10 in FZ/T 81007-2003. 4.3.5 Physical and Chemical Properties of Finished Clothing The physical and chemical properties of the finished protective clothing meet the requirements of Table 2. Table 2 Physical and chemical properties of finished clothing Project performance index test method Antistatic performance/(μC/piece) After 30 washes, ≤0.3 A.4.1, 5.12 Crotch seam strength/N ≥140 5.13 Washing dimensional change rate /% in accordance with 3.12.1 of FZ/T 81007-2003 5.8 Formaldehyde content/(mg/kg) Meets the requirements of GB 18401 5.14 pH meets the requirements of GB 18401 5.15

5 Test method

5.1 The following test samples shall be taken from finished clothing. 5.2 The oil resistance of the protective clothing fabric is tested according to the method specified in GB/T 19977, and the washing resistance treatment is performed according to Appendix A. 5.3 The test of the stain-repellent performance of the protective clothing fabric shall be carried out according to the method specified in Appendix B after washing according to Appendix A. 5.4 The breaking strength of the protective clothing fabric shall be tested according to the method specified in GB/T 3923.1. 5.5 The tear strength of the protective clothing fabric shall be tested in accordance with the method specified in GB/T 3917.3. 5.6 The moisture permeability of the protective clothing fabric shall be measured in accordance with the method specified in GB/T 12704.1. 5.7 The air permeability of the protective clothing fabric shall be tested according to the method specified in GB/T 5453. 5.8 The dimensional change rate of the protective clothing fabrics and finished clothing washes according to the method specified in GB/T 8630, and the washing should comply with GB/T 8629-2001 table 5A procedure of 5 provisions, drying should meet the requirements of 8.1 procedure A of GB/T 8629-2001. 5.9 The color fastness of the protective clothing fabric to soaping shall be tested in accordance with the method specified in GB/T 3921. 5.10 The color fastness to sweat stains of protective clothing fabrics shall be tested in accordance with the method specified in GB/T 3922. 5.11 The color fastness of protective clothing to dry rubbing shall be tested in accordance with the method specified in GB/T 3920. 5.12 The antistatic performance of the finished protective clothing shall be tested in accordance with the method specified in GB/T 12703.3. 5.13 The strength values of the shoulder and crotch seams of the finished protective clothing shall be measured in accordance with the method specified in GB/T 13773.1. 5.14 The formaldehyde of finished clothing is tested according to the method specified in GB/T 2912.1. Samples of finished garments should include a bonding material for fabrics and accessories. 5.15 The pH value of the finished clothing shall be tested according to the method specified in GB/T 7573. Samples of finished garments should include a bonding material for fabrics and accessories.

6 detection rules

6.1 Inspection classification The inspection is divided into type inspection, material inspection, factory inspection and reliability random inspection. See Table 3 for inspection items and classification of non-conformities. Table 3 Inspection items and unqualified classification 6.2 Type inspection 6.2.1 The product shall be type-examined under any of the following conditions. a) Type inspection of new product trial production; b) when there are major changes in materials, styles and processes; c) two years after the normal production of the product; d) when resuming production after stopping production for more than one year; e) When the national quality supervision agency requests the type inspection. 6.2.2 The samples for type inspection are randomly selected from the products that passed the factory inspection. The number of protective clothing samples is three sets, and the test items refer to Table 3. 6.3 Material inspection 6.3.1 Material inspection shall include each layer of protective clothing. 6.3.2 Fabric inspection According to the batch according to the items specified in Table 3, inspection is acceptable after passing the inspection. 6.4 Factory inspection 6.4.1 Protective clothing shall undergo factory inspection according to the items specified in Table 3 by the quality inspection department of the manufacturer. 6.4.2 The factory inspection shall be carried out in batches. Two sets of samples shall be randomly selected for each batch and tested in accordance with Table 3. 6.5 Reliability inspection In any of the following cases, the product should be tested for reliability according to Table 3. For rescue work. a) The storage period is more than one year from the production date before the intended use; b) the wearing period is over one year, and the visual performance may be reduced; c) Protective clothing is discarded. 6.6 Judgment Principles 6.6.1 Eligibility criteria for a single item. The number of unqualified items of category A inspection items is equal to 0, the number of unqualified items of category B inspection items is equal to 0, and the number of unqualified items of category C inspection items The number is less than or equal to 2, or the number of unqualified items of category A inspection items is 0, the number of unqualified items of category B inspection items is less than or equal to 1, and the number of category C inspection items is unqualified The number is less than or equal to 1. 6.6.2 When the noodles and auxiliary materials are received, the judgement of each batch meets the above requirements and is judged to be a qualified batch, which can be used for the production of finished clothing. 6.6.3 The number of judgments of each batch in the spot inspection is determined to be qualified batches before leaving the factory. 6.7 Other 6.7.1 Fabric manufacturers and clothing factories shall provide users with type inspection reports of similar products issued by inspection agencies above the provincial level for the same period. 6.7.2 Samples without material inspection, factory inspection and type inspection shall not be sold. 7 Packaging, transportation and storage 7.1 Packaging Each set of protective clothing shall be individually packaged with moisture-proof packaging, and the product packaging certificate and product manual marked in Chinese shall be attached to the independent packaging. 7.2 Transport The product should be protected from rain, moisture and exposure during transportation. Do not mix with chemicals such as oil, acid and alkali. 7.3 Storage Protective clothing should be stored away from direct sunlight, rain and moisture, and should not be placed with acids, alkalis, oils and corrosive items. In the warehouse Keep dry and ventilated.

8 Identification

8.1 Each product shall have a Chinese label that is resistant to washing, which shall include but is not limited to the following. a) the standard number and year number that are met; b) product name; c) type specifications; d) trademarks and/or manufacturer names; e) Production date. 8.2 The product certification shall include but is not limited to the following. a) this standard number and year number; b) product name; c) type specifications; d) the name of the manufacturer; e) production date; f) a nominally qualified mark; g) Inspector identification. 8.3 The product description shall include but is not limited to the following. a) this standard number and year number; b) product name; d) manufacturer's name, address and contact information; e) production date; f) size specifications; g) applicable and non-applicable conditions; h) Wear instructions, including but not limited to the following special instructions. 1) When wearing in flammable and explosive places, it is prohibited to put on and off at the work site; 2) When wearing in flammable and explosive places, do not attach or wear any metal objects; 3) The outer clothing should completely cover the inner clothing; the split top should be sufficient to cover the waistband, and it should not be exposed even if it is bent; 4) When worn in flammable and explosive places, it should be worn with anti-static shoes that comply with standards such as GB 21147. i) product rejection conditions; j) washing, ironing and drying instructions; k) recommended storage conditions; l) period of use and maintenance methods; m) Other instructions required by national or industry standards. 8.4 At least the following information or marks should be printed on the product box. a) Product name, model, specifications; b) quantity and total quality; c) the overall dimensions of the box; d) production date or production lot number; e) Instructions for protection against rain, sun and hooks; f) the number and year of this standard; g) Manufacturer's name and trademark.

Appendix A

(Normative appendix) cleaning method A.1 General This method is suitable for durable washing and stain-resistant washing of protective clothing fabrics and finished clothing in this standard with anti-oil, easy decontamination, and antistatic properties. Polyester cleaning. A.2 Equipment and supplies A.2.1 Washing machine A type washing machine that meets the requirements of 5.1.1 in GB/T 8629-2001. A.2.2 Ordinary mercury thermometer Range. 0 ° C to 100 ° C; accuracy. ± 1 ° C. A.2.3 Balance Range..200g; accuracy. ± 1g. A.2.4 Detergent Non-phosphorus detergent. A.3 Washing conditions Washing conditions should meet the requirements of Table A.1. Table A.1 Durable washing conditions Project condition project condition Washing method. ordinary washing washing liquid concentration 1g/L Washing water temperature (40 ± 3) ℃ bath ratio 1.30 (cloth. water) Standard wash cloth for wash items with water capacity above 30L A.4 Washing program A.4.1 Durable washing and washing procedure Table A.2 is carried out, and the washed and dehydrated samples are hung to dry. Table A.2 Durable washing procedures Table A.3 Washing and cleaning procedures after contamination

Appendix B

(Normative appendix) Test method and evaluation of easy decontamination performance B.1 Scope This appendix specifies the evaluation, classification rules, and test methods for the stain-removing performance of fabrics that have undergone stain-removing finishing. This appendix is applicable to evaluate the stain-removing performance of the fabric after the stain-removing finishing. B.2 Principle First treat the sample with oil stain, place a certain weight on the sample to make the oil stain penetrate the fabric, and then wash the stained soil in the prescribed way. For soiled samples, the remaining oil stain on the fabric is compared with the oil stain removal sample card to rank, the grade is 5 to 1. B.3 Equipment and supplies B.3.1 Three-roller grinder for test room. roller diameter ϕ80mm, length 180mm, roller speed ratio is 1. 3. 9. B.3.2 Homogenizer. speed 6500r/min ~ 7500r/min. B.3.3 Scraper fineness meter. 0μm ~ 25μm, 0μm ~ 50μm. B.3.4 Colorless transparent polyethylene film. thickness is 0.03mm ~ 0.05mm. B.3.5 Qualitative filter paper. the size is not less than 70mm × 70mm. B.3.6 Pipette. Accuracy is 0.2mL. B.3.7 Press weight. 64mm in diameter, weight (2.25 ± 0.25) kg. B.4 Preparation of standard dirty oil B.4.1 Take 14 5% slop oil 2g and 14 ......

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