wall exterior brick, fire rated clay brick,handmade clay bricks,

Building Brick, exterior fire rated sintering shale brick
High quality exterior fire rated sintering shale brick , better insulation , heat insulation, sound insulation, waterproof, anti freeze, do not change color, durability, environmental protection and no radioactivity and excellent quality.
Brick size: 240*115*53mm
compression strength :more than 20mpa.
cubical content : 1400
water absorption: 6-8%.
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