Silica Ramming Mass

Silica Ramming Mass

Silica Ramming Mass


Silica ramming mass is made by mixing high-purity microcrystalline quartz sand, powder, high-temperature sintering agent and mineralizer. The silica ramming mass has a short oven time, has good volume stability, thermal shock stability and high high temperature strength.

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Product detail

Silica Ramming Mass

Main Composition:SiO2

Application:Smelting bronze

Capacity:3000 tons per month

Raw Material:Quartz sand

Package:Export ton bag

Product Introduction

Silica ramming mass is made by mixing high-purity microcrystalline quartz sand, powder, high-temperature sintering agent and mineralizer. The silica ramming mass has a short oven time, has good volume stability, thermal shock stability and high high temperature strength.

Features

1.Good stability.

2.Good slag resistance.

3.Good fire resistance and resistance to melt erosion.

4.Good chemical stability.

Application

It is mainly used for smelting bronze and red copper in industrial frequency furnace and intermediate frequency furnace.

Product Parameters

Item CN-1 CN-2 CN-3 CN-4 CN-5
Chemical composition(%) 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
Cold crushing strength(Mpa) 1300℃&times;3hAfter firing at 15 15 10 10 25
Apparent porosity (%) 1300℃&times;3hAfter firing at 26 26 25 25 23
Linear changing after burnt(%) 1300℃&times;3hAfter firing at 0~+1.6 0~+1.2 0~+1.0
Bulk density (g/cm3) 1300℃&times;3hAfter firing at 2.0 2.0 2.1 2.1 2.2
Refractoriness(℃) 1630 1650 1650 1680 &mdash;
Max. grain size of aggregate(mm) 5 4.5 4.5 4.2 4.2
Amount for construction(kg/m3) 2300 2300 2300 2400 2400

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