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Rigid polyyerthane (PUR) cellular plastics used for doors filling
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Basic data
| Standard ID | GB/T 26700-2011 (GB/T26700-2011) |
| Description (Translated English) | Rigid polyyerthane (PUR) cellular plastics used for doors filling |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | G30 |
| Classification of International Standard | 83.100 |
| Word Count Estimation | 6,678 |
| Date of Issue | 2011-06-16 |
| Date of Implementation | 2011-12-01 |
| Quoted Standard | GB/T 2918-1998; GB/T 6343-2009; GB/T 8811-2008; GB/T 8813-2008; GB/T 10294-2008; GB/T 10295-2008; GB/T 10799-2008; GBJ 88-1985 |
| Regulation (derived from) | Announcement of Newly Approved National Standards No. 9 of 2011 |
| 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 door filled with rigid polyurethane foam classification, requirements, test methods and inspection rules. This standard applies to the polyol and polyisocyanate atmosphere vinegar foam production as the main raw material preparation, used to fill the security doors, security doors, house doors, garage doors and other door and similar atmosphere vinegar rigid polyethylene foam. This standard does not apply to holding the door for the main purpose of rigid poly nitrogen vinegar foam (such as cold storage doors, etc.) |
GB/T 26700-2011: Rigid polyyerthane (PUR) cellular plastics used for doors filling
---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.
Rigid polyyerthane (PUR) cellular plastics used for doors filling
ICS 83.100
G30
National Standards of People's Republic of China
Door filled with rigid polyurethane foam
Rigidpolyurethane (PUR) celularplasticsusedfordoorsfiling
Issued on. 2011-06-16
2011-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
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, Chen Qian, Zhang Zhizhong, Xuxiao Chen.
Door filled with rigid polyurethane foam
1 Scope
This standard specifies the door filled with rigid polyurethane foam of classification, requirements, test methods and inspection rules.
This standard applies to polyol with a polyisocyanate as the main raw material for preparing the foam used to fill the security door, security door, entrance door,
Garage doors and other door and similar uses rigid polyurethane foam.
This standard does not apply to the primary purpose of holding the door with a rigid polyurethane foam (such as cold storage doors, etc.).
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 2918-1998 plastic sample conditioning and testing of the standard environment
GB/T 6343-2009 foam and rubber Determination of apparent density
GB/T 8811-2008 rigid foam dimensional stability test methods
Measuring performance GB/T 8813-2008 rigid foam compression
GB/T 10294-2008 steady insulation resistance and related properties - Guarded hot plate method
GB/T 10295-2008 steady insulation resistance and related properties - Heat flow meter
Determination of GB/T 10799-2008 rigid foam volume percentage of open and closed cells
GB J88-1985 standing wave tube sound absorption coefficient and acoustic impedance measurement specification
Category 3
Products by the foaming process divided into two categories.
--- Ⅰ categories. foam front, which is to be rigid polyurethane foam blowing door body, after spraying paint and baking;
--- Ⅱ class. After foaming, which is to paint spraying and baking, after rigid polyurethane foam blowing door body.
4 Requirements
Physical and mechanical properties 4.1 products should meet the requirements of Table 1.
Table 1 Physical and Mechanical Properties
Project Unit
Performance
Ⅰ Class Ⅱ Class
The apparent core density a ≤ kg/m3 25.0 40.0
Compressive strength or compressive stress by 10% deformation when ≥ kPa 50 100
Thermal conductivity ≤ W/(m · K) 0.038 0.027
Opening ratio ≥% 80 -
Noise reduction coefficient b ≥ - 0.3 -
...
