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$Henan Dengfeng Guangda Refractory Co., Ltd$ $Henan Dengfeng Guangda Refractory Co., Ltd$

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Heavy Refractory

Insulating Refractory

Special shaped refractory

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Products for waste incinerators

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Heavy Refractory

Product introduction

Product Features: The products for waste incinerators are primarily made from white corundum, ultra-grade calcined bauxite, mullite, and andalusite, with the addition of high-purity zirconia and soft-bonded clay. They are formed by high-pressure pressing and sintered at high temperatures. The main mineral phase of the product is mullite, giving it excellent high-temperature wear resistance, low creep rate, high load softening temperature, low porosity, and superior resistance to chemical erosion.

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Product details

Project	Zirconia-mullite brick	Corundum andalusite	High-strength wear-resistant brick	Clay brick
Project	AP-25P	70-S	CR-60P	H-3
Al ₂ O ₃ %, ≥	46	70	70	45
ZrO ₂ , ≥	20	-	-	-
Fe ₂ O ₃ %, ≤	0.5	1.5	1.5	2.0
Apparent porosity, %, ≤	19	20	19	24
Bulk density g/cm ³ , ≥	3.15	2.6	2.6	2.15
Compressive strength, MPa, ≥	140	70	100	40
0.2 MPa load-softening temperature R.U.L℃, ≥	1600	1560	1540	1420
Reburning line variation rate P.L.C%	1550℃ for 2 hours 0.2 to -0.2	1500℃ for 2 hours 0.2 to -0.2	1400℃ for 2 hours 0.1 to -0.2	1400℃ for 2 hours 0.1 to -0.4
Wear resistance coefficient cm ³ , ≤	4	-	7	-

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

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dfgdnhf@sina.com

+86-371-62986719

East Section of Yingbin Avenue, Ludian Town, Dengfeng City

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