亚洲国产丝袜精品一区,国产亚洲成AV人片在线观黄桃,久久人人爽人人爽人人片亞洲,精品二区偷拍少妇在线视频

Your position: Products
ZP expansive type hollow parts acoustic insulating material

It is constituted by thermoplastic elastomer, expanding agent, foam stabilizer and nucleating agent. It is free of organic solvent and toxic substance. Thus it has fetures of high safety, pollution free and excellent sound insulation effect.

PropertiesIndex

Item

Index

Density (g/cm³)

ZP450

ZP750

≤1.45

≤1.35

Expansion rate(150--180℃ )  

≥450%

750%

Horizontal linear expansion(mm)  

≥15

≥20

Hydroscopicity%

≤5

Burning velocitymm/min

≤100

 

 


Last : ZN- ships ... 】 【[ Back ]】 【 Next : Damping sh