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Alumina Block Phosphate Bonded High Alumina Brick with Fe2O3 Content of ≤2.0%

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Alumina Block Phosphate Bonded High Alumina Brick with Fe2O3 Content of ≤2.0%

Country/Region	china
City & Province	zhengzhou henan
Categories	Architecture Design

Product Details

Product Description

Phosphate bonded high alumina brick from china

Phosphate combined high alumina brick is a kind of chemical combines high alumina refractory item, which is made by using a phosphoric acid solution or aluminum phosphate solution (aluminum dihydrogen phosphate, PA-80 glue, etc.) as a binder, bauxite clinker as aggregate, press molding, and then finished by firing in the 500-600C temperature.

Phosphate combined high alumina brick(referred to as phosphate brick) is With phosphoric acid solution and high-alumina brick combination; and wear-resistant phosphate combined high alumina brick (referred to as wear-resistant brick) is with aluminum phosphate solution and high-alumina brick combined together. The latter has a higher compressive strength.

Phosphate combined high alumina brick applications are: electric furnace top, cement rotary kiln transition zone, cooling zone and cement shaft high temperature zone.

Specification

technical data:

Item	phosphate hi-al brick	wear-resistant phosphate hi-al brick	high charge soft phosphate hi-al brick	Spalling resistant hi-al brick	High wear-resistant brick
Item		SK-P	SK-PA	SK-PH	SKB-70	SK-NM
Al2O3 % ≥	75	77	75	70	55
Cao % ≤	3.2	3.2
FeO2 % ≤	2.0	2.0
C.C.S. MPa ≥	60	65	60	80	65
B.D. g/cm3 ≥	2.65	2.70	2.75	2.60	2.50
A.P.%				20
0.2MPa R.U.L. ℃ , ≥	1300	1250	1500	1500	1530
Refractoriness ℃ , ≥	1780	1780		1790
Rebirth line changes@1500 ℃ %			±0.4
Thermal shock resistat(times)1100℃				20	15

Technical requirements for phosphate combined with high alumina bricks
Phosphate-bonded high-aluminum brick is made of high-alumina bauxite clinker as aggregate and fine powder, phosphoric acid or aluminum phosphate as binder, semi-dry pressed and heat-treated from 400 ° C to 600 ° C. Phosphate combined with high alumina bricks can be divided into two codes according to the bonding agent:
1. Phosphate combined with high alumina brick (referred to as phosphate brick), the binder is a concentration of 42.5%~50% phosphoric acid solution. Codenamed P;
2, aluminum phosphate combined with high-aluminum wear-resistant brick (referred to as wear-resistant brick), the binder is a solution of industrial phosphoric acid, industrial aluminum hydroxide, the molar ratio is Al2O3: P2O5 = 1:3.2. Codenamed PA.

Characteristics of Phosphate bonded high alumina bricks:
(1) Higher strength and good wear resistance.
(2) Good chemical resistance. (Its alkali resistance is better than clay bricks and high alumina bricks)
(3) Good thermal shock resistance.
(4) The load softening temperature is higher. Therefore, it is often found in the transition zone of the rotary kiln, the kiln mouth, the kiln door cover, the lining of the cooler and other parts where the refractory bricks are easy to loosen and fall.

Our main types of high alumina bricks as follows:
General usage high alumina bricks: SK32,SK34,SK36,SK38,SK40
High alumina brick for blast furnace: GL-65, GL-55, GL-48
High alumina brick for hot blast stove: RL-65, RL-55, RL-48(common type)
DRL-155, DRL-150, DRL-145, DRL-140, DRL-135, DRL-130, DRL-127(Low creep)
High alumina brick for EAF in steel-making: DL-80, DL-75, BDL-80, BDL-75
High alumina brick for steel ladle lining: CL-55, CL-65, CL-75
High alumina brick for cement kiln: Spalling resistant high alumina brick: GKBL-70, KBL-70
Phosphoric acid immersed high alumina brick: PLZ-75, PALZ-77
Silicon-mullite brick: SMLZ-60
High alumina brick for resistance furnace: RLZ-65, RLZ-55, RLZ-48
Andalusite brick for anode baking in aluminium smelting: HLZ-45, HLZ-60
Andalusite brick for hot blast stove: HLZ55, HZL62, HLZ65
Silicon brick: SLZ-62 Mullite brick: MLZ-72
Mullite corundum brick: MCLZ-80, MSLZ-80
Various size and shape are available, we can produce according to your drawings.

Packing & Delivery

Packaging of high alumina refractory bricks：
1.on wooden pallets with plastic cover: wooden pallet size :930*930 or 1000*1000mm,
2.Load weight of each pallet: 1.5-2.0 tons,
3.230*114*65mm:512PCS/Pallet, 230*114*75mm:448PCS/Pallet.

Shipping of high alumina refractory bricks
1.Our packaging is as per customer's request
2.Normal goods delivered by sea transport
3.Sample shipping by express
4.We will shipping and delivery goods timely, quanlity and quantity guaranteed, and also in accordance with the contract andcustomer's requirment completely.

Payment Terms

(1)T/T, Western Union,LC;
(2)Usually 30% deposits,70% balance to be paid before delivery or against copy of BL or negotiations

Others
1. MOQ: Usually 1 container, MOQ 1Tons, Customers can order certain PCS for special high chrome brick.

Why Choose Us

1. Strong professional:
Our company has thirty years producing experience in refractory products. Our manager will supervise on a various refractorys production materials, process control, quality supervision and package delivery, and ensure the products are 100% qualified.

2.Annual supply:
Our company has passed ISO9001 quality management system certification and SGS certification. And the annual supply of shaped and unshaped refractory product is 28, 800-35, 000 tons.

3. Export experiences:
Now we have gained a global sales network reaching Taiwan, Russia, Vietnam, Pakistan, Bulgaria, French, India, Congo, Angola, South Africa, and so on.

4. Production equipment:
Production and testing equipments are new, complete and automated or semi- automated. Such modern facilities and equipments have provided the fine technical guarantee for the production and testing.

5. Testing equipment:
Our company's testing equipments as follows:
High Temperature RUL Tester
Bulk Density Tester
The Pressure Tester
Refractoriness Tester

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Alumina Block Phosphate Bonded High Alumina Brick with Fe2O3 Content of ≤2.0%

Product Details

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