Specifications

1. Light weight and low thermal conductivity allows thinner furnace walls
2. Maintain stable structural strength

   fire clay insulation brick                   

 

ADVANTAGES:

Light weight and low thermal conductivity allows thinner furnace walls
Maintain stable structural strength throughout ambient to maximum service temperature
Low heat storage results in rapid cooling and heating operation
Low iron and impurities to enhance reducing atmosphere
High thermal shock resistance in preventing spalling
Non standard sizes and shapes are available upon request

APPLICATIONS:
Ceramic shuttle kilns
Metal heat treatment furnaces Steel billet reheating furnaces Oil refinery heaters
Laboratory furnaces

 

 

Sunrise Brand		NG-0.5	NG-0. 6	NG-0. 8	NG-1.0	NG-1.3	NG-1.5
USA Brand		ISO125-0.5	ISO125-0.6	ISO135-0.8	ISO135-1.0	ISO140-1.2	ISO140-1.5
Max Service Temperature (°C)		1150	1200	1280	1300	1350	1400
Bulk Density (g/cm3)		0.55	0.6	0.8	1.0	1.3	1.5
Apparent Porosity %		80	70	60	55	50	40
Cold Crushing Strength  (Mpa) ≥		1.5	2.0	2.5	3.0	4.0	6.0
Reheating Linear Change (%)   °CX 12H ≤		1250°C -0.5	1300°C -0.5	1350°C  -0.5	1350°C -0.9	1350°C -0.9	1350°C -0.9
Thermal conductivity(W/m.k)	400°C	0.14	0.25	0.35	0.41	0.51	0.6
	600°C	0.16	0.29	0.45	0.43	0.61	0.71
	800°C	0.18	0.31	0.50	0.44	0.67	0.77
	1000°C	0.20	0.33	0.60	0.45	0.8	0.9
Al2O3 (%)		37	40	40	40	40	42
Fe2O3 (%)		1.0	1.5	1.5	1.5	2	2
SiO2		44	55	55	55	55	55

The product is formed by engineering pressing and extrusion. It is used to the thermal coating and kiln