item | crown bricks | checker bricks |
sio2 % | ≥95 | ≥95 |
ap, % | ≤22 | ≤23 |
ccs, mpa | ≥35 | ≥30 |
real density, g/cc | ≥2.35 | ≥2.35 |
creep rate under 0.2mpa,1500℃*5hrs, % | ≤0.8 | ≤0.8 |
thermal expension at 1000℃, % | ≤1.26 | ≤1.26 |
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основные информации компании
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item | crown bricks | checker bricks |
sio2 % | ≥95 | ≥95 |
ap, % | ≤22 | ≤23 |
ccs, mpa | ≥35 | ≥30 |
real density, g/cc | ≥2.35 | ≥2.35 |
creep rate under 0.2mpa,1500℃*5hrs, % | ≤0.8 | ≤0.8 |
thermal expension at 1000℃, % | ≤1.26 | ≤1.26 |