Phosphate-Bonded High Alumina Refractory Brick
The Description:
Phosphate-bonded high aluminum bricks are made of dense super grade or first grade high bauxite clinker as the main raw material, phosphoric acid solution or aluminum phosphate solution as the bonding agent, after semi-dry volume press molding, heat treatment at 400~600ºC to make chemically bonded refractory products. According to the technology of Zhengzhou Zhengold Factory, phosphate-bonded high-aluminum bricks belong to no-burning bricks. In order to avoid large shrinkage of products in the process of high temperature use, it is generally necessary to introduce heating expansion raw materials, such as kyanite, sillimanite, pyrophyllite, silica and so on
Technical Index:
| Item |
Index |
| P(Phosphate brick) |
PA(abrasive brick) |
| Ι |
Π |
Ι |
Π |
| Chemcial composition% |
Al2O3 % |
75 |
77 |
| Fe2O3 |
3.2 |
3.2 |
| CaO |
0.6 |
0.6 |
| CCS MPa |
70 |
60 |
75 |
65 |
| Bulk Density g/cm3 ≥ |
2.7 |
2.65 |
2.75 |
2.7 |
| RUL |
1350 |
1300 |
1300 |
1250 |
| Themal shock resistance |
10 |
Product feature:
Phosphate-bonded high-aluminum brick has good thermal stability, no shrinkage and expansion, and better thermal strength than ordinary high-aluminum brick in transition zone before 1200ºC, with higher wear resistance, so it is suitable for cement kiln transition zone and cooling belt lining material.
Phosphate-bonded high aluminum refractory brick has accurate specifications and dimensions, high softening temperature under load, high compressive strength, good thermal shock stability, wear resistance and resistance to spalling. It has the characteristics of stable performance, short construction period and energy saving.
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
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
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