av鲁丝片一区二区_中文字幕国产有码欧美_精品人妻人人爽久久爽av_年轻娇小亚洲人日本语夹_oidgrαnny亚洲老熟妇_精品无码中文字幕不卡_小柔在ktv被三个黑人玩弄_久久97成人欧美日韩网站 _一边喘气一边叫做摸小兔兔_2021国产麻豆剧果冻传媒入口

Fire-proof black rock wool (BSB)

Bosheng high-temperature fire-proof black rock wool, which is a dark brown rock wool board, is characterized with high melting point (>1150℃), high fire endurance rating, strong high temperature shrinkage resistance and others, is more high-end fire-proof insulation and sound insulating material, and is usually used in the places with higher fire rating.

?? ???

?? ???? ???? ?? ??? ????? ??? ?? (>1150℃  ), ??????? ?? ??? ????? ?? ? ??? ??? ?? ???? ?????????? ????? ??? ?? ??? ?????.


  • · Specifications and models
  • · Product performance
  • · Data download
Product code BSB80 BSB120
Nominal density(Kg/m3) 40-80 90-120
Size(L*W)(mm) 1200*600
Thickness(mm) 100-150 50-100

Copyright © 2016. Weihai Bosheng Advanced Materials Co., Ltd. All rights reserved. Technical support:Aosion