ST- Oxidized Fused Cast AZS Blocks
Shrinkage voids are located under the casting scar.
Shrinkage voids are located at one side of the casting face,while a dense texture
is formed in the other side.
Shrinkage Void Free.
在砖体的一端残留有少量的可见缩孔，与 WS 非常近似。
A small number of voids remain at the sawn face,ZWS is similar in appearance to