GB/T 18945-2003
ActivePolymeric materials，cellular flexible--Method of assessment of air flow value at constant pressure-drop
高聚物多孔弹性材料 恒定压力降时流量的估算方法
Application Summary AI generated
This standard specifies a test method for measuring the airflow resistance of flexible cellular polymeric materials under a constant pressure drop. It is primarily applied in the quality control and performance evaluation of polyurethane foams and similar porous materials used in filtration, cushioning, and acoustic insulation products. The method ensures consistent airflow characterization for industrial and laboratory testing contexts.
Related Standards
GB/T 10655-2003
Polymeric materials，cellular flexible--Determination of air flow permeability
GB/T 18942.2-2003
Flexible cellular polymeric materials--Determination of stress-strain characteristicsin compression--Part 2: High density maternals
GB/T 18942.1-2003
Polymeric material，cellular flexible--Determination of stress-strain characteristic in compression--Part 1: Low density materials
GB/T 18941-2003
Flexible cellular polymeric materials--Determination of fatigue by constant-load pounding
GB/T 14274-2003
Polymeric materials，cellular flexible--Accelerated ageing tests
GB/T 12825-2003
Polymeric materials，cellular flexible--Determination of hardness by indentation technique
GB/T 18944.1-2003
Flexible cellular polymeric materials--Sponge and expanded cellular rubber products--Part 1:Sheeting
GB/T 10801.2-2002
Rigid extruded polystyrene foam board for thermal insulation (XPS)
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