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Phosphate Brick

Product category|Phosphate Bonded High Alumina Brick

Al₂O₃: 75%-80%
Fe₂O₃: 2.5%-3.5%
Bulk Density: 2.6-2.85
Refractoriness: 1770℃-1790℃
Cold Compressive Strength: 70-100MPa

Product Description

Phosphate bonded high alumina refractory brick mainly use calcined bauxite as aggregate and fine powder, bonded by phosphate solution(potency 42.5~50%), formed by drying press, and sintering at medium temperature of 400~600℃.

Product Features

Higher refractoriness under load

Strong thermal shock resistant ability

Good chemical stability

Higher compressive strength

Product Application

Phosphate bonded high alumina brick is main refractory material for cement industry, can be used in LTZ/UTZ, calcining zone, cooling zone of cement rotary kilns.

Product Specification

ltemPhosphate bricksPhosphate wear-resistant bricksSpecial phosphate brickHighly charged soft phosphate bricks
Chemical
Composition
Al₂O₃%75788080
Fe₂O₃%3.53.532.5
Bulk density2.62.652.82.85
Cold compressive
strength MPa
708010090
Refractoriness
under load ℃
1300135014501480
Refractoriness℃1770179017901790

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