欧美久久综合九色综合,2o18国产大陆天天弄,日本无码视频在线观看,一级AAAAAA毛片免费自拍电影,少妇高潮抽搐无码久久av,免费观看外国一级毛片,欧美特黄一级视频,一级毛片免费全片久久,亚洲一区二区高清视频

Your position: Products
Car body exlusive use damping sound isolation rubber

It is constituted by water based synthetic resin, damping additive, dispersing agent and leveling agent. It has excellent fire proofing property, and adhesive property, wear resistance. And it is widely applied in railway vehicle, large bus and steamship for noise reduction.
Properties:

Item

Index

Appearance

grey sticky

Consistencecm

8-14

Drying timeh(25±1℃)

≤ 36

Impact strengthkg.cm

≥ 50

adhesive force

≤ 1

heat resistance(00±2℃)

no sagging, no foaming

salt water resistance(NaCL%)

no foaming, no rust

Internal friction factor less than+20℃

11

-10℃

0.05

+50

0.05

Flame retardant5° burning

difficult

 


Last : Environmen... 】 【[ Back ]】 【 Next : Rail, metr...