Manufacturers Direct Supply High Alumina Checker Brick

• Refractoriness (℃): 1770< Refractoriness< 2000
• Feature: Long Time Materials
• Type: Refractory Material
• Shape: Brick
• Material: Alumina Block
• Transport Package: Fumigation Wooden Pallet
• Specification: customized
• Trademark: Kaiyuan
• Origin: China
• HS Code: 6902900000
• Production Capacity: 5000 Tons/Month

Product Description

The product features: It is made from Corundum,mullite and special grade of bauxite as main raw material. Shped by high pressure and sintered at high temperature. With high refractoriness under load, excellent high temperature creep resistance, good thermal shock resistance, it is the preferred material for large and medium hot blast furnace.

Items		DRL-155	DRL-150	DRL-145	DRL-140	DRL-135	DRL-130	DRL-127
Al2O3 %                ≥		75	75	65	65	65	60	50
Fe2O3%                ≤		1.3	1.3	1.3	1.5	1.5	1.5	1.8
A.P%         ≤		20	21	21	22	22	22	23
B.D g/cm³    ≥		2.65	2.65	2.5	2.4	2.35	2.3	2.3
C.C.S Mpa       ≥		60	60	60	55	55	55	50
Creep rate  (0.2Mpa×50h) %		1550ºC 0.8	1500ºC 0.8	1450ºC 0.8	1400ºC 0.8	1350ºC 0.8	1300ºC 0.8	1280ºC 0.8
P.L.C%	1550ºC×2h	0.1-0.2	0.1-0.2	0.1-0.2	0.1-0.2	-	-	-
	1450ºC×2h	-	-	-	-	0.1-0.4	0.1-0.4	0.1-0.4

 

 

Why choose us?

Zhengzhou Kaiyuan Refractories Co., Ltd is a manufacturer of silicon-aluminum refractory (fireclay brick, high alumina brick, silica brick, mullite brick, corundum brick, insulation brick, castable, mortar) for coke oven, blast furnace, hot blast stove, heating furnace, anode baking furnace, boilers and other industrial furnaces for 20 years located in Henan, China.

Our total annual production capacity is about 100,000 tons of dense-shaped refractory product, and 100,000 tons of monolithic refractory product.
We have three tunnel kilns for silicon-aluminum dense bricks and one new plant for the monolithic refractory.
We're sure our custom-made products and professional services will bring you a stable quality supply and more profit.

Our Laboratory and R&D Center
 

We have test equipment for the following items:
chemical %
bulk density
apparent porosity
cold crushing strength
modulus of rupture
refractoriness under load
creep
thermal expansion
Reheat linear change
thermal shock resistance
thermal conductivity

Contract Kiln Construction
Certificates

FAQ

1. Are you a Manufacturer or trader?
A: We are manufacturer and our plant is located in Xinmi city, Henan, China

2. Can we visit your company?
A: You are warmly welcome to visit our company at anytime, you'll not regret of the visiting.

3. Do you accept OEM?
A: Yes, we do OEM.

4. What's the MOQ of trial order?
A: We care about all the potential customers and take all the trails orders.

5. What is the payment term?
A: TT, LC, DP, DA.

6. How long is the delivery time?
A: Usually within 35 days after down payment.

7. Do you accept third party inspection ?
A: Yes for sure, we accept the third party inspection before delivery.

8. What is your after-sell service?
A: The rejected goods can be replaced or we can make compensation for it. We can send technical engineers to the end user for technical issue.

9.What is your company's certification?
A: ISO9001 certificate