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Heat Resistant Silica Refractory Bricks For Blast Furnace / Hot Blast Stove

Categories Silica Refractory Bricks
Place of Origin: Zhengzhou ,China
Brand Name: Rongsheng
Certification: ISO9001
Model Number: QG-0.8/1.0/1.2
Packaging Details: packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages
Delivery Time: 20-30DAYS
Payment Terms: TT; L/C
Supply Ability: 2000tons /month
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Heat Resistant Silica Refractory Bricks For Blast Furnace / Hot Blast Stove

Low Bulk Density Alumina Silica Fire Brick For Blast Furnace / Hot Blast Stove


Features


1. High refractoriness
2. Low thermal shock resistance
3. No pollution to glass liquid
4. Low bulk density


Applications


Light weight silica brick is mainly used to preserve heat in glass industry, iron&steel industry and ceramic furnace.



Physical properties and chemical composition


Item

QG-0.8

QG-1.0

QG-1.1

QG-1.15

QG-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 °C

≥1400

≥1420

≥1460

≥1500

≥1520

Permanent Linear Change On Reheating(%)1450°CX2h

0~+0.5

0~+0.5

0~+0.5

0~+0.5

0~+0.5

20-1000°C Thermal Expansich10-6/°C

1.3

1.3

1.3

1.3

1.3

Thermal Conductivity (W/MK) 350°C

0.55

0.55

0.60

0.65

0.70



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