QB/T 2904-2007
Rigid self-skinned polyurethane cellular plastics (English Version)

Standard No.

QB/T 2904-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Light Industry

Latest

QB/T 2904-2007

Scope

This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage of self-skinned rigid polyurethane foams. This standard applies to self-skinned rigid polyurethane foams with an apparent total density greater than 100kg/m and a complete skin layer formed during preparation.

QB/T 2904-2007 Referenced Document

• GB/T 10007-1988 Cellular plastics--Determination of shear strength of rigid materials
• GB/T 10294-1988 Thermal insulation--Determination of steady-state thermal resistance and related properties--Guarded hot plate apparatus
• GB/T 10295-1988 Thermal insulation--Determination of steady-state thermal resistance and related properties--Heat flow meter apparatus
• GB/T 1033-1986 Test method for density and relative density of plastics
• GB/T 1043-1993 Plastics Determination of charpy impact strength of rigid materials
• GB/T 1408.1-2006 Electrical strength of insulating materials-Test methods-Part 1:Tests at power frequencies
• GB/T 1634.1-2004 Plastics-Determination of temperature of deflection under load-Part 1:General test method
• GB/T 1634.2-2004 Plastics-Determination of temperature of deflection under load-Part 2:Plastics,ebonite and long-fibre-reinforced composites
• GB/T 20673-2006 Cellular plastics Determination of the coefficient of linear thermal expansion of rigid material s at sub-ambient temperatures
• GB/T 2411-1980 Plastics--Shore hardness test
• GB/T 2918-1998 Plastics--Standard atmospheres for conditioning and testing
• GB/T 6342-1996 Cellular plastics and rubbers--Determination of linear dimensions
• GB/T 6343-1995 Cellular plastics and rubbers--Determination of apparent (bulk) density
• GB/T 8811-1988 Test method for dimensional stability of rigid cellular plastics
• GB/T 9341-2000 Plastics--Determination of flexural properties
• GB/T 9641-1988 Test method for tensile properties of rigid cellular plastics

QB/T 2904-2007 history

• 2007 QB/T 2904-2007 Rigid self-skinned polyurethane cellular plastics