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GB/T 29288-2012: General requirement for thermoformable rigid polyurethane cellular plastics
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 29288-2012 | English | 229 |
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General requirement for thermoformable rigid polyurethane cellular plastics
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GB/T 29288-2012
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Basic data | Standard ID | GB/T 29288-2012 (GB/T29288-2012) | | Description (Translated English) | General requirement for thermoformable rigid polyurethane cellular plastics | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G30 | | Classification of International Standard | 83.100 | | Word Count Estimation | 10,115 | | Quoted Standard | GB/T 2918-1998; GB/T 6343-2009; GB/T 6678-2003; GB/T 6680-2003; GB/T 8811-2008; GB/T 8812.2-2007; GB/T 8813-2008; GB/T 9641-1988; GB/T 10799-2008; GB/T 12008.3-2009; GB/T 12008.7-2010; GB/T 22313-2008 | | Regulation (derived from) | National Standards Bulletin No. 41 of 2012 | | 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 the thermoplastic rigid polyurethane foam classification, requirements, test methods, inspection rules. This standard applies to the polyether polyol with a polyisocyanate prepared as the main raw material, mainly used in the manuf | GB/T 29288-2012: General requirement for thermoformable rigid polyurethane cellular plastics---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.
General requirement for thermoformable rigid polyurethane cellular plastics
ICS 83.100
G30
National Standards of People's Republic of China
The thermoplastic rigid polyurethane foam
General technical conditions
Issued on. 2012-12-31
2013-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Please note that some of the content of this document may involve patents. The issuing authority of this document should not bear the responsibility to identify these patents.
The standard proposed by China National Light Industry Council.
This standard by the National Plastics Standardization Technical Committee (SAC/TC48) centralized.
This standard was drafted. Jiangsu Institute of Chemical Co., Ltd., Beijing Technology and Business University, Jiangsu Province, polyurethane products quality supervision and inspection stations.
The main drafters of this standard. Wu Hao, Zhang Zhizhong, Chen Qian, Xie Yi.
The thermoplastic rigid polyurethane foam
General technical conditions
1 Scope
This standard specifies the rigid thermoplastic polyurethane foam classification, requirements, test methods, inspection rules.
This standard applies to polyether polyol with a polyisocyanate as the main production preparation of raw materials, mainly for the manufacture of thermoplastic top interiors
Of rigid polyurethane foam.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2918-1998 plastic sample conditioning and testing of the standard environment
GB/T 6343-2009 foam and rubber Determination of apparent density
GB/T 6678-2003 General use of chemical products
GB/T 6680-2003 General rules for sampling liquid chemical products
GB/T 8811-2008 rigid foam dimensional stability test methods
Determination of GB/T 8812.2-2007 rigid foam flexural properties - Part 2 flexural strength and apparent flexural modulus
Determination of the amount of
GB/T 8813-2008 Test method for compression of rigid foam
Performance test method GB/T 9641-1988 rigid foam stretch
Determination of GB/T 10799-2008 rigid foam volume percentage of open and closed cells
Determination of hydroxyl value. GB/T 12008.3-2009 plastic polyether polyol Part 3
GB/T 12008.7-2010 plastic polyether polyols - Part 7. Determination of viscosity
Determination of GB/T 22313-2008 plastic used in the production of polyurethane polyols water content
Category 3
Products produced by the method of forming the top of the interior when divided into two categories.
Dry (hot molding). thermoplastic rigid polyurethane foam heated to high temperatures softened at room temperature, the mold with the fabric composite molding.
Wet (cold molding). room temperature thermoplastic rigid polyurethane foam were cold adhesive fabric, at a certain temperature and then molded.
4 Requirements
4.1 Appearance
Color, cell size should be substantially uniform.
4.2 Physical and Mechanical Properties
Physical and mechanical properties of thermoplastic rigid polyurethane foam should meet the requirements of Table 1.
NOTE. The thermoplastic rigid polyurethane foam raw materials --- thermoplastic polyether requirements in Appendix A.
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