thermal insulation bricks

thermal insulation bricks used in industry furnace, as insulation, with high refractoriness. long service life,energy-saving

thermal insulation bricks Ceramic

Package

details

Insulating boards

Product features of thermal insulation bricks

Excellent thermal insulation, energy saving, high compressive strength

low thermal conductivity, low shrinkage, excellent resistance to wind erosion performance

excellent high temperature performance, long service life

application of thermal insulation bricks

For the heating furnace, soaking pit, annealing furnace and other furnace working lining and insulation. It is a good new energy-saving environmental protection (type) refractory materials

Specifications

items index	Ordinary TRB-1	Standard TRB-2	High-alumina TRB-3	zirconiumTRB-4
Classification(°C))	1050	1150	1260	1400
Shrinkage(%)	800°C*24h≤-3	1000°C*24h≤-3	1200°C*24h≤-3	1350°C*24h≤-3
Theoretical thermal conductivity ( w/m.k) Hot side 400°C Hot side 800°C	0.060-0.085 0.0080-0.10	0.060-0.085 0.0080-0.10	0.060-0.085 0.0080-0.10	0.060-0.085 0.0080-0.10
Density   Kg/m3	230-700	230-700	230-700	230-700
Compressive strength(MP)	≥0.4	≥0.5	≥0.6	≥0.6
Al2O3%	38-44	43-46	48-55	39-40
Al2O3+SiO2 %	95-96	96-97	99	/
Al2O3+SiO2+ZrO2 %	/	/	/	99
ZrO2 %	/	/	/	12-15
Fe2O3 %	1.2	1.0	0.2	0.2
Na2O+K2O %	≤0.5	≤0.5	≤0.2	≤0.2
Specification  mm	As per customers demands
Package	Wooden box or carton

thermal insulation bricks