GB 12014-2019 PDF EnglishUS$265.00 · In stock · Download in 9 seconds
GB 12014-2019: Protective clothing - Static protective clothing Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 12014: Historical versions
Similar standardsGB 12014-2019: Protective clothing - Static protective clothing---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB12014-2019GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 13.340.10 C 73 Replacing GB 12014-2009, GB/T 23464-2009 Protective clothing - Static protective clothing Issued on. DECEMBER 31, 2019 Implemented on. JULY 01, 2020 Issued by. State Administration for Market Regulation; Standardization Administration of the People's Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 5 4 Technical requirements... 7 5 Test methods... 11 6 Inspection rules... 13 7 Identification... 16 8 Packaging and storage... 17 Annex A (normative) Point-to-point resistance test method... 18 Annex B (normative) Test method of charged electric charge... 22 Annex C (normative) Washing method of woven fabric clothing... 25 Annex D (normative) Washing method for knitted fabric clothing... 27 Bibliography... 281 ScopeThis Standard specifies the technical requirements, test methods, inspection rules, identification, etc. of static protective clothing. This Standard applies to static protective clothing worn in places that may cause electric shock, fire and explosion hazards due to static electricity. This Standard does not apply to non-woven static protective clothing and static protective clothing for power supply voltage protection.2 Normative referencesThe 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 1335.1 Standard sizing systems for garments - Men GB/T 1335.2 Standard sizing systems for garments - Women GB/T 2912.1 Textiles - Determination of formaldehyde - Part 1.Free and hydrolyzed formaldehyde (water extraction method) GB/T 3917.3 Textiles - Tear properties of fabrics - Part 3.Determination of tear force of trapezoid-shaped test specimens GB/T 3920 Textiles - Tests for colour fastness - Colour fastness to rubbing GB/T 3921-2008 Textiles - Tests for colour fastness - Colour fastness to washing with soap or soap and soda GB/T 3922 Textiles - Tests for colour fastness - Colour fastness to perspiration3 Terms and definitionsFor the purpose of this document, the following terms and definitions apply. 3.1 static protective clothing Work clothing that are made of static protective fabric and according to the specified style and structure to reduce the accumulation of static electricity on the clothing. 3.2 static protective fabric Fabrics that are woven of yarn mixed with conductive fibres or embedded conductive filaments when weaving, or fabrics that are made of treated electrostatic dissipative materials. 3.3 electrostatic dissipative material Materials of which the surface resistivity is greater than or equal to 1 × 105 Ω/□, but less than 1 × 1011 Ω/□. 3.4 conductive fibre Fibres that are all or partially made of conductive materials or electrostatic dissipative materials. 3.5 surface resistivity Ratio of the potential gradient that is parallel to the direction of the current passing through the surface of the material TO the current per unit width of the surface, that is, the DC resistance between two opposite sides of a square material per unit area. NOTE. Unit. Ω/□.4 Technical requirements4.1 Fabric 4.1.1 Appearance quality Test according to the method specified in 5.1, the fabric shall be free of damage, spots, dirt or other defects that affect the performance of the fabric. 4.1.2 Physical and chemical properties of woven fabrics The physical and chemical properties of woven fabrics shall meet the requirements of Table 1.For clothing with lining, the formaldehyde content, pH value and decomposable carcinogenic aromatic amine dyes of the lining shall meet the requirements of Table 1. 4.1.3 Physical and chemical properties of knitted fabrics The physical and chemical properties of knitted fabrics shall meet the requirements of Table 2.For clothing with lining, the formaldehyde content, pH value and decomposable carcinogenic aromatic amine dyes of the lining shall meet the requirements of Table 2. 4.2 Clothing 4.2.1 Clothing fabrics The fabrics of finished clothing shall meet the technical requirements of 4.1. 4.2.2 Structure and style The clothing structure shall be easy to put on and take off and adapt to physical activities during work. If the clothing itself has a multilayer structure, it shall be able to ensure that the outermost material always covers the inner clothing when worn. 4.2.3 Size and specifications The size and specifications of static protective clothing for men are selected according to the requirements of GB/T 1335.1, and the size and specifications of static protective clothing for women are selected according to the requirements of GB/T 1335.2. 4.2.8 Antistatic performance of clothing 4.2.8.1 Where stripe-like or grid-like conductive fibers or conductive filaments are used to achieve antistatic performance, the spacing of conductive materials shall not be greater than 10 mm. 4.2.8.2 Test according to the method specified in Annex B, the charged electric charge shall not be greater than 0.60 μC/set.5 Test methods5.1 SPREAD the fabric or clothing flat on the table; OBSERVE at a distance of 1.5 m from the product under good lighting conditions. Broken warp, broken weft, damage and stains are not allowed. 5.2 SELECT samples from different parts of the fabric and clothing lining, and TEST the formaldehyde content according to the method specified in GB/T 2912.1. 5.5 The smell is tested according to the method specified in GB 18401. 5.6 The dimensional change rate and relaxed dimensional change rate of the fabric are carried out according to the provisions of GB/T 8628 and GB/T 8630. Use the 4N procedures in GB/T 8629 to wash; woven fabrics are dried by hanging and drying, and knitted fabrics are dried by flat drying. 5.7 SELECT 10 samples from different parts of the fabric or clothing, and TEST the air permeability according to the method specified in GB/T 5453. 5.8 The color fastness to washing of fabrics is tested according to the method A (1) specified in Table 2 of GB/T 3921-2008. 5.16 The tester wears clothing of suitable size and performs the following actions. 5.17 The seam strength of finished clothing adopts different test methods according to the different fabrics used in the clothing. The clothing made of woven fabrics is tested according to the method specified in GB/T 3923.1.CUT five samples with the seam in the center from the part with weak seam, and the direction of the seam is at a 90° angle to the direction of the force.6 Inspection rules6.1 Factory-exit inspection The manufacturer shall carry out the factory-exit inspection on the static protective clothing batch by batch according to the production batch. See Table 5 and Table 6 for the test items, test sample size, non-conformity classification and determination array.7 Identification7.1 Permanent identification 7.1.1 Each set of clothing shall be marked with static protective graphic symbols. See Annex B of GB/T 20097-2006 for the identification style. 7.2 Information provided by the manufacturer The information provided by the manufacturer shall include but not limited to the following.8 Packaging and storageAccording to the customer’s requirements, the product packaging shall be neat, firm, undamaged, the product quantity shall be accurate, and the inner and outer packaging shall be provided with a moisture-proof layer. The packaging inspection form of the manufacturing factory shall be placed in the box. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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