Silica Ramming Mass
2.It is calcined to eliminate the spalling tendency in a stabilized form.While silica neither expands nor contracts, it can easily withstand higher temperature of up to 1720℃.
Technical data sheet
|
Item |
GGD-1 |
GGD-2 |
GGD-3 |
GGD-4 |
GGD-5 |
|
|
SiO2 (%) |
≥95 |
≥96 |
≥96 |
≥97 |
≥90 |
|
|
Al2O3 (%) |
≤0.7 |
≤0.6 |
≤0.6 |
≤0.5 |
≤0.4 |
|
|
Fe2O3 (%) |
≤0.5 |
≤0.5 |
≤0.4 |
≤0.4 |
≤0.8 |
|
|
Compressive strength (MPa) |
≥15 |
≥15 |
≥10 |
≥10 |
≥25 |
|
|
Apparent porosity(%) |
1300°C×3h |
26 |
26 |
25 |
25 |
23 |
|
Reheating linear change (%) |
1300°C×3h |
0~+16 |
0~+16 |
0~+1.2 |
0~+1.0 |
|
|
Bulk density (g/cm3) |
1300°C×3h |
≥2.0 |
≥2.0 |
≥2.1 |
≥2.1 |
≥2.2 |
|
Refractoriness (°C) |
≥1630 |
≥1650 |
≥1650 |
≥1680 |
- |
|
|
Max grain size (mm) |
5 |
4.5 |
4.5 |
4.5 |
4.2 |
|
|
Construction consumption (kg/m3) |
2300 |
2300 |
2300 |
2400 |
2400 |
|
|
Construction method |
Vibration or ramming |
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|
Applications |
Bronze |
Copper,brass |
Steel,iron |
Aluminium,alloys |
||
Feature
1.Good stability, good slag resistance and long furnace life.
2.It has high stability and corrosion resistance under high temperature.
3.Good chemical stability,erosion resistance,abrasion resistance,spalling resistance and heat shock resistance.
4.No slag,no crack,no failure due to dampness, easy to repair the furnace.
Application
Silica ramming mass is used as the lining of coreless medium frequency furnace and cored induction furnace.It is very suitable for melting gray cast iron,cast iron alloy,melting carbon steel,alloy steel,high manganese steel,stainless steel,melting aluminum and its alloy,melting copper,brass,white copper and bronze and other copper alloys.Can also be used directly as the lining of industrial furnaces.
