老板在办公室扒下我的内裤,西西人体做爰免费视无码 ,人妻在线日韩免费视频,日本不卡高字幕在线2019

Substandard Semi- Friable Fused Alumina
Your present position:Home > Products > Substandard Semi- Friable Fused Alumina

ASF50

ASF50 produced by selected substandard Semi-friable Fused Alumina ingot,mostly using for economic grinding wheels or stone in DIY market.

Chemical composition%(Grit 46)

image.png