Insulating Fire Brick for Sale

Insulating Fire Brick for Sale in Rongsheng is a kind of quality thermal insulation materials for application in all kinds of kilns and furnace. Insulating Fire Brick has various excellent performance of light weight, good thermal shock resistance, high temperature resistance, heat energy saving, low thermal conductivity and so on.

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Description for Insulating Fire Brick For Sale

There are all kinds of Insulating Fire Brick For Sale in Rongsheng, such as Mullite Insulation Brick, Fireclay Insulation Brick, High Alumina Lightweight Insulation Brick, Silica Insulation Brick, Alumina Bubble Brick and etc.

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Mullite Insulation Brick

Mullite Insulation Brick, or Lightweight Mullite Brick, is a kind of high alumina refractory material made of mullite as the main crystal phase, which is new type refractory material for thermal insulation that can directly contact fire with features of high-temperature resistance, lightweight, low thermal conductivity, good thermal shock resistance and great energy saving. Mullite Insulation Brick can be used for the top of hot blast stove, stack and bottom of blast furnace, regenerative chamber of glass melting furnace, linings of cracking furnace, ceramic roller kiln, electroceramics shuttle kiln, glass crucible, and all kinds of electric furnace.

Mullite Insulation Brick Specification

Mullite Insulation Brick
Item/Index		RS23	RS26	RS28	RS30	RS32
Al2O3 %		37	54	64	72	77
Fe2O3 %		1.0	0.9	0.8	0.7	0.5
Thermal Conductivity (w/m*k)	400℃	0.14	0.27	0.32	0.41	0.49
	600℃	0.16	0.29	0.34	0.43	0.5
	800℃	0.18	0.31	0.36	0.44	0.51
	1000℃	0.20	0.33	0.38	0.45	0.53
Classification Temperature (℃)		1260	1430	1540	1650	1760
Thermal Expansion 1000℃ (%)		0.5	0.7	0.8	0.9	1.1
Bulk Density (g/cm3)		0.55-0.62	0.78-0.8	0.88	1.03	1.25
Cold Crushing Strength (Mpa)		1.2	1.6	2.1	2.5	3.5
Modulus of Rupture (Mpa)		0.9	1.4	1.6	2.1	2.1
Reheating Linear Change (%) CT-30℃*8H		1230℃ -0.5	1400℃ -0.5	1510℃ -0.5	1620℃ -0.9	1730℃ -0.9

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Fireclay Insulation Brick

Fireclay Insulation Brick is made of fireclay as the main raw material with 30~48% Al2O3 content. Adopt manufacturing process of inclusion of combustible materials and foaming method. Fireclay Bricks can be used in with features of high strength, low thermal conductivity and low impurities.

Fireclay Insulation Brick Specification

Fireclay Insulation Brick
Item/Index		RS-0.5	RS-0.6	RS-0.8	RS-1.0	RS-1.3	RS-1.5
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
Max Service Temperature (℃)		1150	1200	1280	1300	1350	1400
Bulk Density (g/cm3)		0.55	0.6	0.8	1.0	1.3	1.5
Cold Crushing Strength (Mpa) ≥		1.5	2.0	2.5	3.0	4.0	6.0
Apparent Porosity (%)		80	70	60	55	50	40
Reheating Linear Change (%) ℃*12H  ≤		1250℃ -0.5	1300℃ -0.5	1350℃ -0.5	1350℃ -0.9	1350℃ -0.9	1350℃ -0.9
Thermal Conductivity (w/m*k)	400℃	0.14	0.25	0.35	0.41	0.51	0.6
	600℃	0.16	0.29	0.45	0.43	0.61	0.71
	800℃	0.18	0.31	0.50	0.44	0.67	0.77
	1000℃	0.20	0.33	0.60	0.45	0.8	0.9

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High Alumina Lightweight Insulation Brick

High Alumina Lightweight Insulation Brick is a kind of thermal insulation refractory materials with lightweight feature that made of mullite and gass phase or corundum combining and containing over 48% alumina content. Its bulk density is 0.4~1.35g/cm3, apparent porosity is 66~73% and cold crushing strength is 1~8Mpa. High alumina insulation brick has properties of low bulk density. Good thermal shock resistance, low thermal conductivity, quality stability and thermal insulation, which can be used in all kinds of kiln and furnace as linings or heat insulating layer.

High Alumina Lightweight Insulation Brick Specification

High Alumina Lightweight Insulation Brick Specification
Item/Index	RS-1.2	RS-1.0	RS-0.9	RS-0.8	RS-0.7	RS-0.6	RS-0.5
Al2O3 %	≥48	≥48	≥48	≥48	≥48	≥48	≥48
Fe2O3 %	≤2.0	≤2.0	≤2.0	≤2.0	≤2.0	≤2.0	≤2.0
Bulk Density (g/cm3)	≤1.2	≤1.0	≤0.9	≤0.8	≤0.7	≤0.6	≤0.5
Cold Crushing Strength (Mpa)	≥5	≥3.92	≥3.43	≥2.94	≥2.45	≥1.96	≥1.47
Thermal Conductivity (350℃) w/m *k	≤0.55	≤0.5	≤0.45	≤0.35	≤0.35	≤0.30	≤0.25
Temperature Reheating Shrinkage 2.0% ℃	≥1400	≥1400	≥1400	≥1400	≥1350	≥1350	≥1250

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Silica Insulation Bricks

Silica Insulation Bricks, a kind of high temperature thermal insulating refractory materials with features of high purity, high strength, high refractoriness under load, load apparent porosity and low impurities content that are now widely used in all kinds of high temperature melting furnace. Silica Insulation Brick can resist acid gas erosion strongly and keep volume stability in the high temperature up to 1420 ℃. Silica Insulation Brick plays great performance in the industrial kiln such as thermal insulation, reducing energy consumption and improving thermal efficiency and also can efficiently protect the main refractory materials internal layer and prolong the service life of furnace. In the glass furnace, silica insulation brick is mainly used for wall of regenerative chamber and arch.

Silica Insulation Bricks Specification

Silica Insulation Bricks
Item/Index	RS-0.8	RS-1.0	RS-1.1	RS-1.15	RS-1.2
SiO2 %	≥88	≥91	≥91	≥91	≥91
Bulk Density g/cm3	≤0.85	≤1.00	≤1.10	≤1.15	≤1.20
Cold Crushing Strength (Mpa)	≥1.0	≥2.0	≥3.0	≥5.0	≥5.0
0.2Mpa Refractoriness Under Load T0.6℃	≥1400	≥1420	≥1460	≥1500	≥1520
Permanent Linear Change On Reheating (%) 1450℃*2h	0~＋0.5	0~＋0.5	0~＋0.5	0~＋0.5	0~＋0.5
20-1000℃ Thermal Expansion 10-6/℃	1.3	1.3	1.3	1.3	1.3
Thermal Conductivity (w/m*k) 350℃	0.55	0.55	0.60	0.65	0.70

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Alumina Bubble Brick

Alumina Bubble Brick is manufactured with alumina hollow ball as the main raw material, high-performance ultrafine powder as the annexing agent and organic substance as the binding agent through drying and then firing in the high temperature shuttle kiln, the temperature reach up to 1750℃. Alumina Bubble Brick has properties of light weight, high temperature resistance, low linear change on reheating, good thermal shock resistance, lowering the kiln cost and saving energy. Alumina Bubble Brick is widely used as linings and thermal insulation materials in the high temperature kilns of industrial ceramics, electronic ceramics, petrochemical engineering and metallurgy industry.

Alumina Bubble Brick Specification

Alumina Bubble Brick
Item/Index	RS-85	RS-90	RS-99
Al2O3 %	≥85	≥90	≥99
SiO2 %	≤13	≤8	≤0.2
Fe2O3 %	≤0.5	≤0.5	≤0.5
Apparent Porosity %	58-62	58-62	58-62
Cold Crushing Strength (Mpa)	≥12	≥10	≥9
0.1Mpa Refractoriness Under Load T0.6℃	≥1650	≥1700	≥1700
Permanent Linear Change On Reheating (%) 1500℃*2h	±0.3	±0.3	±0.3
Thermal Conductivity (Average 800℃) W/(M*K)	≤0.8	≤1.3	≤1.5
Max Service Temperature ℃	1680	1700	1800
20-1300℃ Thermal Expansion % (10-6)	0-7.8	0-8.0	0-8.6
Bulk Density g/cm3	1.4-1.7	1.4-1.7	1.4-1.7

Insulating Fire Brick Suppliers

Rongsheng is a professional Insulating Fire Brick Supplier that sales all kinds quality insulating fire bricks. We have professional engineers, advanced production equipment and perfect service. Choose us is the guarantee for high quality and low price! Welcome to contact us for free quote!