Refractory brick,Furnace firebrick,SK30SK32SK34SK36SK38

Product Overview

Description

Refractory brick,Furnace firebrick,SK30SK32SK34SK36SK38

Characteristics:

1. High refractoriness.

2. Good spalling resistance and wear resistance.

3. Good corrosion resistance.

4. Good thermal shock resistance.

5. High mechanical strength.

6. High-temperature creep rate is low.

7. Good volume stability at high temperature.

 

Physical and chemical index:  

Item/Grade	Index
	SK-32	SK-34	SK-36	SK-37	SK-38
AL2O3 %   (≥)	35	38	55	65	70
Fe2O3 %   (≤)	2.5	2.5	2.0	2.0	2.0
Refractoriness(SK)	32	34	36	37	38
Refractoriness under load, 0.2MPa, °C(≥)	1300	1360	1450	1480	1530
Apparent porosity (%)	20-24	20-22	20-23	20-23	20-22
Bulk density (g/cm³)	1.95-2.1	2.1-2.2	2.25-2.4	2.3-2.5	2.4-2.6
Cold crushing strength ,MPa (≥)	25	30	45	50	60
Thermal expansion at 1000°C (%)	0.6	0.6	0.3	0.3	0.2

 

Application:

Fire brick is widely used in metallurgy, petroleum, chemical industry, building materials, machinery processing, military, etc of thermal technology equipment.

 

Common sizes:

Straight type	Arch type	Wedge type
L×W×H (mm) 230×114×65 230×114×75 230×114×32 220×110×60 220×110×50 220×110×40 220×110×30	L×W×H/h (mm) 230×114×65/55 230×114×65/45 230×114×65/59 220×110×65/50 220×110×75/65 220×110×60/40	L×W×H/h (mm) 230×114×65/55 230×114×65/45 220×110×75/65 220×110×60/40
Other sizes according to customer requirements

 

About our company:

Our company is the specialized manufacturer and exporter of refractory and insulation materials in China. Our products mainly include Fire brick,Insulation fire brick,Refractory castable,Refractory raw materials,Primarily export to Europe, East Asia, Southeast Asia, America, Middle East, Australia and Africa etc.