Fireclay Brick

• Refractoriness (℃): 1580< Refractoriness< 1770
• Feature: Long Time Materials
• Type: Refractory Material
• Shape: Brick
• Material: Castable
• Transport Package: on Pallet
• Model NO.: 305*535/485*50mm
• Specification: 305*535/485*50mm
• Origin: China
• HS Code: 69022000

Product Description

 High Quality Fireclay brick Al2O3


 

Classification		Sk 30	Sk32	Sk34	K43
Properties		Medium-duty fireclay brick	High-duty fireclay brick	Super-duty fireclay brick	Super-duty fireclay brick
Physical properties	Pyrometric cone equivalent	29-30 Orton cone	31-32 Orton cone	33-34 Orton cone	33-34 Orton cone
	Refractoriess	1670ºC	1715ºC	1760ºC	1760ºC
	Bulk density	2140-2150kg/m³	2200-2250kg/m³	2235-2250kg/m³	2275-2285kg/m³
	Apparent porosity	19.0-20.0%	18.0-19.0%	17.0-18.0%	17.0-18.0%
	Cold crushing strength	220-250kg/cm²	220-320kg/cm²	300-350kg/cm²	350-400kg/cm²
	Modulus of rupture	55-70kg/cm²	55-70kg/cm²	60-80kg/cm²	80-90kg/cm²
	Reheat test, permanent linear chang After heating at 1400ºC	0.0-0.06%	0.0-0.2%	-0.18%	-0.50%
Thermal expansion	At 800ºC	0.55%	0.50%	0.50%	0.55%
	At 1000ºC	0.60%	0.60%	0.60%	0.60%
	At 1200ºC	0.70%	0.70%	0.70%	0.65%
	At 1400ºC	0.71%	0.72%	0.75%	0.70%
Chemical composition: (approximate)	Silica(SiO2)	64.10%	57.80%	52.40%	49.00%
	Alumina(Al2O3)	31.80%	36.20%	44.10%	45.80%
	Iron Oxide(Fe2O3)	1.90%	1.40%	1.40%	1.30%
	Calcium Oxide(CaO)	0.40%	0.50%	0.40%	0.40%
	Alkalines (Na2O+K2O+Li2O)	0.50%	0.50%	0.50%	0.50%

Size: 305×535/485×50mm
Remark: Both specification & size can be customized as customer's request.                      
Packing: Strapped Wrapped On Pallet


Alumina content in fireclay bricks approximate 28-45% are classified to Medium-duty Fireclay brick, High-duty Fireclay brick and Super-duty Fireclay brick. Alumina content in fireclay bricks between about 10-28% are classified to low alumina fireclay bricks.
Good thermal shock and spalling, resistane,good resistance to abrasion and corrosion.
Good volume stability at high temperature, high, strength.
The main applications for fireclay brick are listed below:

1. furnace construction,Blast furnace./hot blast stove.
2. Steel foundries.
3. Furnace in the nonferrous metal industry.
4. Coke ovens and gas furnace
5. Glass industry.
6. Cement industry
7. Safety lining of ladle.
8. Backup linging of boiler.

About Us
 
   Founded in 1995 Lucky Sound has been committed to supplying both raw materials and finished products to the steel-making,refractories, industrial ceramics, mining, and foundry and casting industries. Overthe years our dedicated professional team has established long-standing relationships with reliable Chinese manufacturers and producers ensuring seamless supply to renowned overseas  enterprises while consistently meetingtheir product demands.  Lucky Sound's firmly rooted belief in accountability supports our mission in striving to provide the best in pre and post sale service to all our partners across the globe.