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Top Quality Sound Absorption and Noise Reduction Rubber Sponge Board
Top Quality Sound Absorption and Noise Reduction Rubber Sponge Board
Top Quality Sound Absorption and Noise Reduction Rubber Sponge Board
Top Quality Sound Absorption and Noise Reduction Rubber Sponge Board
Top Quality Sound Absorption and Noise Reduction Rubber Sponge Board
Top Quality Sound Absorption and Noise Reduction Rubber Sponge Board

Top Quality Sound Absorption and Noise Reduction Rubber Sponge Board

Min.Order: 1
Product origin: Ningbo, Zhejiang, China
Infringement complaint: complaintComplaint
US$ 3 ~ 6

Description
Top Quality Sound Absorption and Noise Reduction Rubber Sponge Board
Product Parameter (Specification) 
Performance itemsTechnical parameterExecutive standard
Apparent density
Kg/m³		40-80GB/T 6343
Heat conductivity coefficient
W/(m·k)		-20ºC ≤0.030;0ºC ≤0.032;
40ºC ≤0.037		GB/T10294
Moisture permeance factor
G/(m·s·pa)		≤1.96x10^-11GB/T17146
Wet resistance factor≥10000GB/T17146
Water absorption ratio in vacuum %≤8GB/T 17794
Combustion performanceClass B1 (Class B-s2,d0,t1)GB 8624
Combustion smoke toxicityZA3 security levelGB/T20285
Dimensional stability %(105ºC±3ºC,7d) ≤10GB/T 8811
Compression rebound rate %(Compression ratio 50%,72h) ≥70GB/T6669
Ageing resistance 150hSlightly wrinkled, no cracks,
no pinholes, no deformation		GB/T 16259
Applicable temperature range ºC-50~110GB/T 17794
 
 
 



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