Glass Industrial Silica Bricks

Loading Port:China Main Port

Payment Terms:TT OR LC

Min Order Qty:-

Supply Capability:-

Product Description:

Specifications

It is the ideal materials , glass smelting furnace and other industrial thermal kilns.

The products are possessed of the following characteristics: stable quality, small overall dimension tolerance, high softening temperature by loading, small true density, few quartz residue, etc. It wins appreciation and compliments from the customers as home and abroad. Through the examination of the refractory material quality inspecting center of state, the physical and chemical index of this product reaches or surpasses international standard; this product has passed ISO9000 quality system authentication. It is the ideal materials , glass smelting furnace and other industrial thermal kilns.

Technical 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