80% Alumina Silica Refractory Bricks for Electric Arc Furnace Roof

• Refractoriness (℃): 1770< Refractoriness< 2000
• Feature: Long Time Materials, Instant Materials, Top Grade
• Type: Refractory Material
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: SK32 SK34 SK36 SK38
• Shape: Brick
• Material: Alumina Block
• Product Name: Alumina Silica Refractory Bricks
• Model Number: High Alumina Brick
• Apparent Porosity: Less Than 23%
• Bulk Density(Kg/M3): 2.0-2.5g/cm3
• Cold Crushing Strength(MPa): 40~70MPa
• Refractoriness Under Load (0.2MPa): Min 1420
• Color: Yellow
• Certificate: ISO9001
• Application: Reverberatory Furnace
• Al2O3 Content (%): 48%-85%
• Transport Package: International Standard
• Specification: Customizable
• Trademark: Zhengzhou Rongsheng Refractory Co., Ltd.
• Origin: Zhengzhou Rongsheng Refractory Co., Ltd.
• HS Code: 6902200000
• Production Capacity: 5000ton/Tons Per Year
• Package Size: 150.00cm * 150.00cm * 150.00cm
• Package Gross Weight: 1000.000kg

Product Description

80% Alumina Silica Refractory Bricks for Electric Arc Furnace Roof

Product Description

Product Description Of High Alumina Brick:

High temperature refractory bricks are mainly used for building smelting furnaces and can withstand high temperatures of 1580-1770 °C. A refractory material of a certain shape and size. According to the preparation process, it can be divided into fired bricks, non-fired bricks, fused bricks (fused cast bricks), refractory and heat-insulating bricks; according to shape and size, it can be divided into standard bricks, ordinary bricks, special bricks, etc. It can be used as high-temperature building materials and structural materials for building kilns and various thermal equipment, and can withstand various physical and chemical changes and mechanical effects at high temperatures.

Application of High Alumina Brick:


High alumina fire brick are widely used in the basic zone of metallurgical furnaces, nonferrous furnaces , regenerator of glass furnaces, power plant circulating fluidized bed boiler etc.

Feature of High Alumina Brick:

Good performance in high temp refractoriness under load
Higher temperate resistant with good refractoriness
Lower impurity content
Good thermal shock resistance performance
Excellent resistance in slag abrasion
Good cold crush strength

Dimensions of High Alumina Brick:

The standard size of it is 230*114*65mm; and 230*114*76mm, 230*114*32mm, etc are also common used. Except for the common sizes, some special shapes could be customized according to the customers' requirements

Chemical & Physical Property of High Alumina Brick:

Item	High Alumina Brick
	SK36	SK37	SK38	SK40
Al2O3	55%	60	70	79.6
Fe2O3	2.0%	2.0%	2.0%	2.0%
Pyrometric Cone Equivalent           Orton Standard Cones	35	37	38	40
Bulk Density	2.30 g/cm3	2.35g/cm3	2.45 g/cm3	2.60 g/cm3
Cold crushing strength	31 MPA	44 MPA	48 MPA	55 MPA
Apparent Porosity	22%	22%	21%	20%
Permanent Linear Change at 1600 ºC	+0.1 to +2.5%	+1.5 to +2.5%	+2.0 to +4.0%	+1.0 to +2.0%

 

If you want to know more products, please contact us immediately, we have professional engineers to answer your questions

If you have more needs, we can customize the size, material, etc.

Product Application

Packaging & Shipping

Packaging :Packed by sea-worthy wooden pallet + shrink wrapped + carton For example, Standard size of Fireclay brick : 230x114x65mm Shipping : 384pcs/plt x 18plts in one 20 feet container;

Company Profile

RongSheng Refractory Advantages

There are 240 staffs in Rongsheng Company, of which 12 is senior professional technician. Annual production capacity is up to 60000 tons. There are light and heavy weight materials production lines and all kinds of complete production, testing and check equipment, of which there are 10 series shaped press machine that from 400 tons to 1000 tons and two hyperthermia tunnel kilns whose length are 148m and 118m.
Rongsheng Refractory has established complete quality system and conducted quality control through the whole staff and process that from raw materials, production, check and various parts strictly according to ISO9001 standard and with the professional checker at each level to take good product and service as the top goal.



Zhengzhou Rongsheng Refractories Co., Ltd.was established in the early 1990s. After continuous innovation and development, it has now become a collection of metallurgy, building materials, electric power, chemical industries and other industries. Our products are sold nationwide and exported to the United States, India, France, Spain, Brazil, Peru, etc. Rongsheng has successively passed ISO quality, environment and safety management system certification. While providing products, Rongsheng continues to provide customers with professional engineering services, has a wealth of experience, and has won unanimous praise from customers at home and abroad.
Rongsheng Refractory has professional sales and after-sale service team who provide customers all-around service about product application, construction installation and operation technology training etc. Now we have established cooperation relationship with many science and research unit and our products have been sold to Japan, Indonesia,Kazakhstan and Vietnam etc.

We has over 20 years experience on producting the Refractory brick.

Payment Guarantee: We have Trade Assurance of every order ,and it's still growing up .