Description

Technical Parameters

Product description

The ceramic refractory board has good performance on size, roughness, and radian, and has the characteristics on high strength, low thermal conductivity, good thermal shock resistance and spalling resistance. It can be easily cut and installed

Application of ceramic refractory board

●Steel industry: expansion joints, lining insulation, insulation sheets and mold insulation;
●Non-ferrous metal industry: backing insulation material, tundish and launder cover, used for pouring copper and copper-containing alloys;
●Building materials industry: Thermal insulation of cement rotary kiln and other equipment.

Advantages of ceramic refractory board

Selected raw materials: Sufficient raw materials and selected quality ensure product quality.

Standardized production workshop:We have sufficient production capacity for large-volume orders and can customize various refractory products.

Fully automated production:Strict control on product quality and standardized production workshops.

Sufficient stock:The large warehouse has sufficient supply to meet your various requirements and save your time.

Physical and chemical index of ceramic refractory board

Item	XWK40	XWK45	XWK48	XWK50	XWBZ15
Material	Aluminum silicate			High alumina	Zirconia
Al2O3%	40-44	44-46	46-50	50-60	30-35
Al2O3+Si02%	≥94	≥97	≥98	≥98	≥98 (+Zr02)
ZrO2%	-	-	-	-	≥15
Fe2O3%	≤1. 2	≤1.0	≤0.8	≤0.5	≤0.5
Na2O+K2O%	≤0.5	≤0.5	≤0.2	≤0.2	≤0.2
Service temperature ℃	≤1000	≤1000	≤1100	≤1200	≤1350
Volume density /kg.m3	200~600	200~600	200~600	200~600	200~600
Thermal conductivity /W(m.k)	≤0.14 (600℃) ≤0.18 (800℃)	≤0.14 (600℃) ≤0.18 (800℃)	≤0.18 (800℃) ≤0.22 (1000℃)	≤0.18 (800℃) ≤0.22 (1000℃)	≤0.88 (1000℃) ≤0.28 (1200℃)
Heating shrinkage ／％	≤1.5 (900℃,24H)	≤1.5 (1000℃,24H)	≤1.5 (1100℃,24H)	≤1.5 (1200℃,24H)	≤1.5 (1300℃,24H)
General size	600mmX400mmX(10-50)mm 900mmX600mmX(10-50)mm

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Physical and chemical index of ceramic refractory board

Item	XWK40	XWK45	XWK48	XWK50	XWBZ15
Material	Aluminum silicate			High alumina	Zirconia
Al2O3%	40-44	44-46	46-50	50-60	30-35
Al2O3+Si02%	≥94	≥97	≥98	≥98	≥98 (+Zr02)
ZrO2%	-	-	-	-	≥15
Fe2O3%	≤1. 2	≤1.0	≤0.8	≤0.5	≤0.5
Na2O+K2O%	≤0.5	≤0.5	≤0.2	≤0.2	≤0.2
Service temperature ℃	≤1000	≤1000	≤1100	≤1200	≤1350
Volume density /kg.m3	200~600	200~600	200~600	200~600	200~600
Thermal conductivity /W(m.k)	≤0.14 (600℃) ≤0.18 (800℃)	≤0.14 (600℃) ≤0.18 (800℃)	≤0.18 (800℃) ≤0.22 (1000℃)	≤0.18 (800℃) ≤0.22 (1000℃)	≤0.88 (1000℃) ≤0.28 (1200℃)
Heating shrinkage ／％	≤1.5 (900℃,24H)	≤1.5 (1000℃,24H)	≤1.5 (1100℃,24H)	≤1.5 (1200℃,24H)	≤1.5 (1300℃,24H)
General size	600mmX400mmX(10-50)mm 900mmX600mmX(10-50)mm