High alumina fire brick refractory brick

The bricks to be packed by fumigation wooden pallets.

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Model: JRL-60
Brand: Dezhen
Code: 690220

Product Description

Refractory brick

Items		Corundum Andalusite brick	High alumina Andalusite	High alumina brick	High alumina brick	High Alumina Mullite brick	High alumina brick	Fireclay brick
Items		JRL-90	JRL-80A	JRL-80	JRL-70	JRL-60A	JRL-60	JRL-50
Al₂O₃% ≥		90	80	80	70	60	60	50
Fe₂O₃% ≤		0.5	1.0	1.5	1.5	1.5	1.8	1.8
A.P % ≤		15-19	17-21	19-23	19-24	17-21	20-25	20-26
B.D g/cm³ ≥		2.9	2.7	2.6	2.5	2.3	2.35	2.3
C.C.S Mpa ≥		60	60	60	55	50	50	40
RUL ºC		1600ºC 0.8	1560ºC 0.8	1540ºC 0.8	1500ºC 0.8	1460ºC 0.8	1460ºC 0.8	1450ºC 0.8
P.L.C %	1550ºC×2h	0.1-0.2	0.1-0.2	0.1-0.2	--	--	--	--
P.L.C %	1450ºC×2h	--	--	--	0.1-0.2	0.1-0.4	--	0.1-0.4
Thermal shock resistance 1100℃ water cooling Cycle		25	20	15	15	30	20	15

The refractory brick is made from white fused alumina ,special grade bauxite, andalusite,mullite, flint clay as main raw material, added with little amount of soft clay, shaped by high pressure and sintered at high temperature. The main mineral constituent includes mullite and corundum, with excellent thermal stability at high temperature.

high alumina brick Refractory brick fire brick