Porous Silica Brick Light Weight Silica Bricks

• Customization: Available
• Refractoriness (℃): 1770< Refractoriness< 2000
• Type: Refractory Material
• Model NO.: WAM-S
• Shape: Brick
• Material: Silica
• Size: 230X114X65mm
• Transport Package: Packed on Shrink Film Wrapped and Stablized Pallet
• Specification: Light Weight Silica brick
• Trademark: WAM
• Origin: China
• HS Code: 69022000

Product Description

Silica insulating bricks are mainly made up of top class silica, and burned under very high temperature. It has the below properties:
1) Silicon oxide is above 95%.
2) High acid-erosion resistance.
3) High softening point
4) Low impurities.






They can be widely used in blast furnace and hot blast stoves...

Brand Item	GGR-1.00	GGR-1.10	GGR-1.15	GGR-1.20
Bulk Density ( g/cm 3  ) ≤	1.00	1.10	1.15	1.20
Cold Crushing Strength (MPa) ≥	2.0	3.0	5.0	5.0
Refractoriness under Load   0.2MPa  Ta ( º C ) ≥	1400	1420	1500	1520
Permanent linear change %	1450 º C × 2h ≤ 0.5	1450 º C × 2h ≤ 0.5	1550 º C × 2h ≤ 0.5	1550 º C × 2h ≤ 0.5
Thermal conductivity (W/m. k)  350 º C ± 20 ≤	0.55	0.60	0.65	0.70
Chemical analysis SiO 2  % ≥	91	91	91	91