Hanging Bricks for Heating Furnaces

Category:

Heavy Refractory

Product introduction

Product Features: The roof bricks for heating furnaces are manufactured using anchoring (hanging) technology, with white corundum, premium-grade calcined bauxite, andalusite, mullite, and fireclay as the primary raw materials, combined with a small amount of soft-bonding clay. The bricks are formed under high pressure and sintered at elevated temperatures. The main mineral phases in the product are mullite and corundum, giving it excellent thermal shock resistance and stability at high temperatures.

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Product details

Project		Corundum andalusite	High-Alumina Andalusite	High-alumina	High-alumina	High-alumina mullite	High-alumina	Clayey
Project		JRL-90	JRL-80A	JRL-80	JRL-70	JRL-60A	JRL-60	JRL-50
Al ₂ O ₃ , ≥		90	80	80	70	60	60	50
Fe ₂ O ₃ , ≤		0.5	1.0	1.5	1.5	1.5	1.8	1.8
Apparent porosity A.P%, ≤		15-19	17-21	19-23	19-24	17-21	20-25	20-26
Bulk Density B.D g/cm ³ , ≥		2.9	2.7	2.6	2.5	2.3	2.35	2.3
Compressive strength C.C.S MPa, ≥		60	60	60	55	50	50	40
Load-softening temperature ℃		1600℃ 0.8	1560℃ 0.8	1540°C 0.8	1500℃ 0.8	1460°C 0.8	1460°C 0.8	1450℃ 0.8
Reburning line variation rate P.L.C%	1550℃ for 2 hours	+0.1 -0.2	+0.1 -0.2	+0.1 -0.2	-	-	-	-
Reburning line variation rate P.L.C%	1450℃ for 2 hours	-	-	-	+0.1 -0.2	+0.1 -0.4	-	+0.1 -0.4
Thermal shock stability: 1100℃		25	20	15	15	30	20	15

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$GuanDa Refractory Material Co., Ltd. of Dengfeng City, Henan Province$

Contact Us

dfgdnhf@sina.com

+86-371-62986719

East Section of Yingbin Avenue, Ludian Town, Dengfeng City

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