Refractory phosphate bricks for lime kiln

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Features:

High cold crushing strength, good thermal shock resistance, high refractoriness under load, accurate dimensions, high bulk density and good wear resistance.

Applications:

Mouth, transition zone, and preheating zone of cement rotary kiln, mechanical shaft kiln, lime kiln, and rotary kiln of carbon industry.

Items	Common phosphate bricks	Phosphate bonded abrasving proof bricks	Special phosphate bricks	Phosphate composite bricks
Items	P-75	PA-75	PT-1	Weight parts	Light parts
Al2O3%≥	75	75	80	75	55
Fe2O3% ≤	2.1	2.1	1.8	2.0	1.5
Refractoriness°C ≥	1770	1770	1790	1770	----
BD g/cm3≥	2.7	2.75	2.9	2.8	≤1.0
CCS Mpa≥	70	75	80	75	5.5
0.2Mpa RUL°≥	1350	1300	1520	1350	----
Thermal shock resistance ≥ (1100°C,water cooling)	20	20	15	----	----
CCS Mpa ≥ (bonding parts for weight and light)	----	----	----	15	15