GB/T 21333-2008 English PDF

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GB/T 21333-2008: Cellular plastics, rigid -- Test methods for self-skinned, high-density materials
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21333-2008	174	Add to Cart	3 days	Cellular plastics, rigid -- Test methods for self-skinned, high-density materials	Valid

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Basic data

Standard ID: GB/T 21333-2008 (GB/T21333-2008)
Description (Translated English): Cellular plastics, rigid -- Test methods for self-skinned, high-density materials
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G31
Classification of International Standard: 83.100
Word Count Estimation: 9,979
Date of Issue: 2008-01-04
Date of Implementation: 2008-09-01
Adopted Standard: ISO 9054-1990, IDT
Regulation (derived from): National Standard Approval Announcement 2008 No.1 (Total No.114)
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
Summary: This standard specifies test methods for the determination of high-density self-skinning rigid foam (apparent overall density greater than 100 kg/m3) properties. This standard applies to self-skinning rigid high density foam, skin foam, performance measurement of structural foam.

GB/T 21333-2008: Cellular plastics, rigid -- Test methods for self-skinned, high-density materials

---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.
Cellular plastics, rigid. Test methods for self-skinned, high-density materials ICS 83.100 G31 National Standards of People's Republic of China GB/T 21333-2008/ISO 9054.1990 Rigid Foam Leather high-density materials - Test methods for self - (ISO 9054.1990, IDT) Posted 2008-01-04 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is identical with ISO 9054.1990 "rigid foam since the crust high-density material test methods" in content and technology ISO 9054.1990 is consistent, only the following editorial changes were made. --- Cancellation ISO foreword; --- A. 5 Add "sample loading jig and fixture shown in Figure A.1." Appendix A of this standard is a normative appendix. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of plastic products. This standard was drafted. Beijing Technology and Business University, National Plastic Products Quality Supervision and Inspection Center (Beijing), Jiangsu Institute of Chemical Industry Co., The company, Shandong Province plastics industry testing center. The main drafters of this standard. Chen Qian, Wang Xiangdong, Wu Hao, Li Li, Yuan Liqun. This standard is the first release. GB/T 21333-2008/ISO 9054.1990 Rigid Foam Leather high-density materials - Test methods for self -

1 Scope

This standard specifies the test method for the determination since the crust high density rigid foam (apparent overall density greater than 100kg/m3) performance. This standard applies to self-skinning high density rigid foam, integral skin foam, structural foam performance measurement.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 1408.1-2006 electrical insulating materials strength test methods - Part 1. Tests at power frequencies (IEC 60243-1.1998, IDT) GB/T 1634.1-2004 Determination of plastic deflection temperature under load - Part 1. General test method (ISO 75-1.2003IDT) GB/T 1634.2-2004 Determination of plastic deflection temperature under load - Part 2. Plastics, ebonite and long-fiber-reinforced composite materials Material (ISO 75-2.2003, IDT) GB/T 2411-1980 plastic Shore hardness test methods (eqv ISO 868. 1978) GB/T 2918-1998 standard plastic sample conditioning and environmental tests (idt ISO 291.1997) GB/T 6342-1996 foam rubber - Determination of linear dimensions (idt ISO 1923. 1981) 6343-1995 plastics and rubbers - Determination of apparent (bulk) density GB/T . (Neq ISO 845. 1988) GB/T 9341-2000 Plastic bending performance test methods (idt ISO 178.1993) GB/T 9641-1988 rigid foam tensile properties (eqv ISO 1926. 1979) GB/T 10007-1988 rigid foam shear strength (idt ISO 1922. 1981) GB/T 10294-1988 steady insulation resistance and related properties - Guarded hot plate method (idt ISO /DIS8302. 1986) GB/T 10295-1988 steady insulation resistance and related properties - Heat flow meter method (idt ISO /DIS8301. 1987) Determination of coefficient of linear expansion of the GB/T 20673-2006 rigid foam below ambient temperature (ISO 4897. 1985IDT) 2000 Determination of plastic rigid plastics impact properties - Part 1.. ISO 6603-1 Non-instrumented impact test ISO 6603-2.2000 Determination of plastic rigid plastics impact properties - Part 2. Instrumented impact test

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Preparation formed integrally-skinned high-density rigid structural foam, they have. a) one or more of the surface is much higher than the density of the core layer; or b) a relatively uniform density.

4 Sample

When the shape of the product rule, when a uniform thickness, the thickness of the specimen should be consistent with the thickness of the product. When the irregular shape of the product or When there is a change in the thickness of the product, the thickness of the specimen agreed upon by both parties. If the test sample specially prepared, it should be prepared with the use of production capacity GB/T 21333-2008/ISO 9054.1990 ......

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