久久久久又大又湿又高潮,99看片网站,亚洲三级.a区,色视频视频网站在线看,亚洲熟妇AV线无码乱码在线看,亚洲一级无码AV,中文字幕在线观看免费视频,少妇婬荡毛片免费看,日本又大又长又粗又硬成人片,国产又猛又爽又长又黄又粗的视频

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...