Silica brick for glass kiln

Loading Port:Qingdao

Payment Terms:TT OR LC

Min Order Qty:100 PCS

Supply Capability:50000 PCS/month

1.Silica brick manufature.
2.High refractoriness under load.
3.High heat conductivity.
4.Good thermal shock resistance

Quick Details

The silica bricks for HBS Silica fire brick for coke oven High density silica fire brick Semi-silics fire brick for coke oven

1.Silica brick manufature. 2.High refractoriness under load. 3.High heat conductivity. 4.Good thermal shock resistance.

Tech Data

Silica brick for glass furnace
Item:		GF-96A	GF-96B	GF-95A	GF-95B
SiO 2		≥96	≥96	≥95	≥95
Fe 2 O 3		≤0.8	≤1.0	≤1.2	≤1.2
Apparent porosity %		≤22(24)
Cold Crushing Strength MPa	Brick below20KG	≥35(30)
	Brick ≥20KG	≥30(25)
Refractoriness under load ºC		≥1680	≥1670	≥1660	≥1650
True density g/cm ³		≤2.34	≤2.34	≤2.35	≤2.35

Silica brick for coke oven
Item:	CO-94A	CO-94B
SiO2: %	≥94	≥94
Al 2 O 3 : %	≤ 1.5	≤ 1.5
Fe2O3: %	≤ 1.5	≤ 1.5
Refractoriness under load 0.2Mpa	≥ 1650ºC	≥ 1650ºC
Apparent porosity: %	≤ 22	≤ 24
Bulk density: g/cm ³	≤ 2.34	≤ 2.35
Cold crushing strength: MPa	≥30	≥25
Permanent linear change % (1450ºC ×2h)	0~0.2	0~0.2
Thermal expansion(1000ºC)	≤1.28	≤1.30

Silica brick for hot blast furnace
Item	HBF-95
SiO2	≥ 95
Al2O3	≤ 1.0
Fe2O3	≤1.3
Apparent porosity %	≤22(24)
Cold crushing strength MPa	≥45(35)
Remaining quarts %	≤1.0
Refractoriness under load ºC	≥1650
Creep(0.2Mpa ×1550ºC×50h) %	≤0.8
Thermal expansion coefficient (1000ºC) %	≤1.25
Apparent density g/cm ³	≤2.32