GB/T 35452-2017 English PDF

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GB/T 35452-2017: Reconstituted or bonded flexible polyurethane foam
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 35452-2017	199	Add to Cart	3 days	Reconstituted or bonded flexible polyurethane foam	Valid

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Basic data

Standard ID: GB/T 35452-2017 (GB/T35452-2017)
Description (Translated English): Reconstituted or bonded flexible polyurethane foam
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G32
Classification of International Standard: 83.100
Word Count Estimation: 10,180
Date of Issue: 2017-12-29
Date of Implementation: 2018-07-01
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 35452-2017: Reconstituted or bonded flexible polyurethane foam

---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.
Reconstituted or bonded flexible polyurethane foam ICS 83.100 G32 National Standards of People's Republic of China Recycled adhesive flexible polyurethane foam (ISO 5999.2013, Flexiblecelularpolymericmaterials- Published on.2017-12-29 2018-07-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the redrafted law reference ISO 5999.2013 "Polyurethane foams for flexible foamed polymeric materials other than carpet liners." The relevant parts of the regenerated bonded flexible polyurethane foams in the Foam Specifications were prepared and are not equivalent to ISO 5999.2013. This standard is proposed by China Light Industry Federation. This standard is under the jurisdiction of the National Plastic Products Standardization Technical Committee (SAC/TC48). This standard was drafted by. Zhejiang Shenguo Meng Gujia Sponge Co., Ltd., Jiangsu Chemical Research Institute Co., Ltd., Jiangsu Hengkang Home Technology Co., Ltd. Corporation, Beijing Technology and Business University, Jiangsu Polyurethane Product Quality Supervision and Inspection Station, Jiangsu Jianghua Polyurethane Product Quality Testing Co., Ltd. Company, Nanjing Gather Detection Technology Co., Ltd. The main drafters of this standard. Qian Hongxiang, Wu Hao, Chen Qian, Yang Yun, Ni Xinxing. Recycled adhesive flexible polyurethane foam

1 Scope

This standard specifies the requirements, test methods, inspection rules, markings, packaging, transportation and storage of regenerated bonded flexible polyurethane foams. This standard applies to soft polyurethane foam produced in the production process of the leftover material by smashing, bonding, compression molding soft foam Foam plastic.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 2918-1998 Standard Environment for Conditioning and Testing Plastic Specimen (idtISO 291.1997) GB/T 6342-1996 Determination of linear dimensions of foam and rubber (idtISO 1923.1981) GB/T 6343-2009 Determination of apparent density of foams and rubbers (ISO 845.2006, IDT) GB/T 6344-2008 Determination of tensile strength and elongation at break of flexible foamed polymeric materials (ISO 1798.2008, IDT) GB/T 6669-2008 Determination of compression set of flexible foamed polymeric materials (ISO 1856.2000, IDT) Burning Characteristics of GB 8410 Automotive Interior Materials GB/T 9640-2008 Accelerated Aging Test Method for Flexible Foam Polymers (ISO 2440.1997, IDT) GB 20286 Burning performance of flame-retardant products and components in public places GB/T 24451-2009 Slow rebound flexible polyurethane foam QB/T 2819-2006 Determination of Long-term Fatigue Properties of Flexible Foams (ISO 3385.1989, IDT)

3 requirements

3.1 Length and width deviation The length and width deviations should meet the requirements of Table 1. Table 1 Length, width limit deviation unit is mm Length, width limit deviation ≤ 250 5 0 250~500 10 0 500~1000 20 0 1000~2000 30 0 2000~3000 40 0 3000~4000 50 0 >4000 60 0 ......

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