GB/T 21282-2007 PDF EnglishUS$125.00 · In stock · Download in 9 seconds
GB/T 21282-2007: Rubber/plastics weatherstrip for automobile Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 21282-2007: Rubber/plastics weatherstrip for automobile---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/GBT21282-2007NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 83.140.99 G 47 Rubber/plastics weatherstrip for automobile Issued on. DECEMBER 13, 2007 Implemented on. JULY 1, 2008 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Requirements... 6 4 Test methods... 11 5 Inspection rules... 15 6 Marking, packaging, transportation and storage... 18 Annex A (Normative) Method of test for the heat loss of PVC materials... 19 Annex B (Normative) Method of test for the wear resistance of weatherstrips ... 20 Annex C (Normative) Method of test for the friction coefficient of weatherstrips... 23 Annex D (Normative) Method of test for the breaking tenacity of solid rubber and cellular rubber of weatherstrips... 26ForewordAnnex A, Annex B, Annex C and Annex D of this Standard are normative. This Standard was proposed by the China Petroleum and Chemical Industry Association. This Standard shall be under the jurisdiction of Subcommittee on Rubber Miscellaneous Goods of National Technical Committee on Rubber and Rubber Products. The drafting organizations of this Standard. SAIC-METZELER Sealing Systems Co., Ltd., Beijing Wanyuan-GDX Automobile Sealing Products Co., Ltd., Hongyang Sealing Systems Company of Guizhou Guihang Automobile Components Co., Ltd., Tianjin Xingguang Rubber/Plastics Co., Ltd., Chongqing Jiaxuan Automobile Sealing Systems Co., Ltd., Xiamen Baiji Sealing Materials Co., Ltd., Hubei Nuoke Rubber/Plastics Sealing Technology Co., Ltd. The main drafters of this Standard. Chen Haiyan, Wang Xinhui, Chen Jie, Chen Daye, Deng Mingxiang, He Wenbing, You Jianfeng. This Standard was made for the first time. Rubber/plastics weatherstrip for automobile1 ScopeThis Standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation and storage of rubber/plastics weatherstrips for automobile (hereinafter referred to as weatherstrips). This Standard applies to weatherstrips for passenger vehicles, which are made using rubber, plastics or rubber-plastics compounds as main materials. It can be used for reference for rubber/plastics weatherstrips for commercial vehicles.2 Normative referencesThe provisions in following documents become the provisions of this Standard through reference in this Standard. For dated references, the subsequent amendments (excluding corrigenda) or revisions do not apply to this Standard, however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 528-1998, Rubber, vulcanized or thermoplastic – Determination of tensile stress-strain properties (eqv ISO 37.1994) GB/T 529-1999, Rubber, vulcanized or thermoplastic – Determination of tear strength (Trouser, angle and crescent test pieces) (eqv ISO 34-1.1994) GB/T 531-1999, Rubber - Determination of indentation hardness by means of pocket hardness meters (idt ISO 7619.1986)3 Requirements3.1 Dimensions and tolerances The cross-section shapes, dimensions and tolerances of products, and the lengths and tolerances of products shall be as required by design drawings; if it is not explicitly specified in drawings, the supplier and the purchaser shall choose and use in accordance with the classes specified in GB/T 3672.1. 3.2 Appearance quality The appearance quality of weatherstrips shall be as specified. 3.3 Performance requirements for materials The matrix materials of weatherstrips can be based on EPDM, PVC and TPE, whose performance requirements shall be as specified in Tables 1 ~ 4.The performance requirements for other matrix materials shall be as agreed by the supplier and the purchaser.4 Test methods4.1 Measurement of dimensions 4.2 Appearance measurement Use the visual inspection method for examination. 4.3 Material performance test methods 4.3.1 The determination of the hardness of rubber materials shall be carried out using the method specified in GB/T 531-1999; the determination of the hardness of plastic and TPE materials shall be carried out using the method specified in GB/T 2411- 1980(1989). 4.4 Performance test methods of finished products 4.4.1 Quantity of test specimens Unless specified otherwise, three test specimens shall be cut out from different finished products which shall be of the length required by the test. 4.4.2 Corner binding force (joint breaking tenacity) test 4.4.3 The test of the wear resistance shall be carried out using the method specified in Annex B.5 Inspection rules5.1 Inspection classification 5.1.1 The inspection of weatherstrips include exit-factory inspection and type inspection. For the detailed inspection items see Table 10. 5.2 Batching, sampling plans and criteria 5.2.1 Batching The basal materials and finished products of weatherstrips shall be subjected to inspection by batch. Materials of the same type and the same production lot constitute a batch of basal materials. 5.2.2 Sampling plans and criteria 5.2.2.1 Exit-factory inspection 5.2.2.2.2 In normal production, the appearance quality, sectional shapes and dimensions and product length shall be subjected to inspection by batch; if it is a fail, then the batch of products is rejected. 5.2.2.2.3 The corner binding force (joint breaking tenacity), compression load, insertion force and pullout force of finished products shall be subjected to inspection by batch; the wear resistance shall be subjected to inspection once a month;6 Marking, packaging, transportation and storage6.1 Marking 6.1.1 The marking content on finished products shall be as required by the user. 6.1.2 Product certificate Each independent package shall be provided with a certificate of conformity, indicating product name, product logo, trademark, manufacturer name and address, manufacture date, standard number and inspector signature. 6.2 The packaging, transportation and storage of products shall be as specified in GB/T 5721; the special requirements can be as agreed by the supplier and the purchaser. 6.3 When the requirements of 6.2 of this Standard are met, the storage period of products is two years. ......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 21282-2007 be delivered?Answer: The full copy PDF of English version of GB/T 21282-2007 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 21282-2007_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 21282-2007_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. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 21282-2007 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.How to buy and download a true PDF of English version of GB/T 21282-2007?A step-by-step guide to download PDF of GB/T 21282-2007_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).Step 2: Search keyword "GB/T 21282-2007". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9 |