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GB/T 17470-2007: Glass fiber mats -- Chopped strand and continuous filament mats 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/T 17470: Historical versions
Similar standardsGB/T 17470-2007: Glass fiber mats -- Chopped strand and continuous filament mats---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/GBT17470-2007GB NATIONAL STANDARD ICS 59.100.10 Q 36 Replacing GB/T 17470-1998 Glass Fiber Mats - Chopped Strand and Continuous Filament Mats Issued on. MARCH 26, 2007 Implemented on. OCTOBER 1, 2007 Jointly Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the People's Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative References... 4 3 Classification and Designation... 5 4 Product Specifications... 6 5 Requirements... 7 6 Test Methods... 10 7 Inspection Rules... 12 8 Marking, Packaging, Transportation and Storage... 13 Appendix A... 15 Appendix B... 18ForewordThis Standard makes reference to EN 14118.2003 "Reinforcement - Specifications for Textile Glass Mats (Chopped Strand and Continuous Filament Mats)". This Standard replaces GB/T 17470-1998 "Glass Fiber Chopped Strand Mat". Compared with GB/T 17470-1998, the main changes in this Standard are as follows. — The standard name was changed; — Product specification and variety were added; and the scope of application was expanded; — The requirements of grading and classification of products were deleted; — The requirements of the mass (weigh) of mat roll were deleted; — The requirements of hand lay-up molding were added; — Appendix B (Normative) “Determination of Width of Glass Fiber Mat” was added; — Technical index of some items was increased. Appendixes A and B in this Standard are normative. This Standard was proposed by the China Building Material Industry Association. This Standard shall be under the jurisdiction of the National Technical Committee 245 on Glass Fiber of Standardization Administration of China (SAC/TC 245). Drafting organizations of this Standard. Nanjing Fiberglass Research & Design Institute, Owens Corning (China) Investment Co., Ltd., Changzhou Tianma Group Co., Ltd. (Building Materials No. 253 Plant), HeBei Jinniu Energy Resources Co., Ltd. Glass Fiber Branch, Taishan Fiberglass Inc., and Jushi Group Co., Ltd. Participating drafting organizations of this Standard. Chongqing International Composites Co., Ltd., Nanjing TianMing Fiberglass Products Co., Ltd., and Danyang Zhongya Fiberglass Products Co., Ltd. Chief drafting staffs of this Standard. Wang Yumei, Chen Shang, Fang Yunwei, Shi Zhuo, and Gao Xudong. The previous edition replaced by this Standard is as follows. — GB/T 17470-1998. Glass Fiber Mats - Chopped Strand and Continuous Filament Mats1 ScopeThis Standard specifies the classification and code, product specification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of chopped strand and continuous filament mats (hereinafter referred to as “mats”) made from glass fiber. This Standard is applicable to chopped strand mats made from glass fiber (hereinafter referred to as "chopped strand mats") and continuous filament mats made from glass fiber (hereinafter referred to as "continuous filament mats") used for the reinforcement of plastics and hydraulic matrices. It may also be applicable to glass fiber continuous monofilament mats and punched mats. This Standard is not applicable to stitched bonded mats and veils made from glass fiber, nor to glass fiber mats used for thermal and sound insulation.2 Normative ReferencesThe following normative documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated references, the subsequent amendments or revisions of these publications do not apply. However, parties who enter into an agreement based on this Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. GB/T 191 Packaging — Pictorial marking for handling of goods GB/T 1449 Fiber-reinforced plastic composites — Determination of flexural properties GB/T 1549 Methods of chemical analysis of soda-lime-alumina and borosilicate glass GB/T 6006.1 Test method for glass mats — Part 1.Determination of styrene solubility GB/T 6006.2 Test method for glass mats — Part 2.Determination of tensile breaking force GB/T 7193.1 Unsaturated polyester resin determination of viscosity3 Classification and Designation3.1 Product classification According to their composition, glass is divided into three categories. non alkali glass, middle alkali glass, and E-CR glass. 3.2 Product designation Designation for mats includes the following elements.4 Product Specifications4.1 Chopped strand mat Typical specification of chopped strand mat is shown in Table 1. 4.2 Continuous filament mat Typical specification of continuous filament mat is shown in Table 2.5 Requirements5.1 Physiochemical properties 5.1.1 Alkali oxide content It shall meet the following requirements. 5.1.4 Water content For the mats with powder binder, the water content shall not be greater than 0.20 %; for the mats with emulsion binder, the water content shall not be greater than 0.50 %. 5.1.5 Tensile breaking strength 5.1.6 Cinnamene solvability Cinnamene solvability of chopped strand mat shall be in accordance with those specified in Table 6. 5.1.7 Bending strength of laminated wood Bending strength of laminated wood made from glass fiber mats and resins shall be in accordance with those specified in Table 7.Unless otherwise specified by the manufacturer, laminated wood shall be made from multipurpose unsaturated polyester resin. 5.2 Appearance quality 5.2.1 The edge of mat roll shall be straight and even, and roll shall be tight and uniform. 5.2.2 The mat surface shall be free from any defect of slit, pore space, stain, oil stain, sundries, strand clews, bad-dispersed binder, rare faction of partial strands, partial poor bond and anomalistic edges, which may affect the application of mat.6 Test Methods6.1 Alkali oxide content In accordance with those specified in GB/T 1549. 6.2 Mass per unit area It shall be determined in accordance with those specified in GB/T 9914.3 to obtain each individual testing value; and the mean of tolerance and individual tolerance can be calculated respectively by Equations (1) and (2). 6.3 Combustible content In accordance with the requirements of GB/T 3453. 6.4 Water content In accordance with the requirements of GB/T 9914.1. 6.5 Tensile breaking strength In accordance with the requirements of GB/T 6006.2. 6.10 Width If the both edges are finished edge, measured it by the steel tape with a precision of 1 mm. Measurement shall be carried out along the external surface of mat roll and parallel to the roller. Measure three times with mat distributed uniformly; and calculate the mean value of measurement result. 6.11 Appearance quality Visual inspection on production lines.7 Inspection Rules7.1 Exit-factory inspection and type inspection 7.1.1 Exit-factory inspection The products shall be carried out with exit-factory inspection before leaving the factory. Exit-factory inspection items shall include. mass per unit area, combustible content, tensile break strength, width, water content and appearance quality. 7.2 Batching and sampling 7.3 Judgment rules 7.3.1 Judgement shall be carried out depending on the rounding value of mean of test results of unit product. If all single items of unit product meet the requirements of 5.1 and 5.2, then this unit product shall be judged as qualified; otherwise, it is judged as unqualified.8 Marking, Packaging, Transportation and Storage8.1 Markings 8.1.1 Product markings shall include. 8.1.2 Product marking shall be indicated on the packaging, or provide the relevant information to the user in advance. 8.2 Packaging 8.2.1 The product shall be winded on the cardboard tube with an external diameter not less than 76 mm; and sealed with moisture-proof materials. Ensure to avoid moisture and damage in the process of movement, storage and transportation. 8.2.2 External surface of packaging shall include. 8.3 Transportation Transportation of product shall be dry and covered; and mechanical damage, direct sunlight and moisture shall be avoided during transportation. 8.4 Storage Product shall be stored in dry and ventilated room. Keep out of direct sunlight and heat source. Stacking height shall be up to the mustard. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 17470-2007 be delivered?Answer: The full copy PDF of English version of GB/T 17470-2007 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 17470-2007_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 17470-2007_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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