Hard Silica-Calcium Composite Brick (Carbon)
The product is an inorganic material, with the main crystal phase being hard calcium silicate, and its physical and chemical properties are stable.
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Carbon industry
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Hard Silica-Calcium Composite Brick (Carbon)
Description
◆ The product is an inorganic material, with the main crystalline phase being hard calcium silicate, and its physical and chemical properties are stable.
◆ The product substrate is synthesized from siliceous and calcareous materials through steam pressure hydrothermal treatment, with a uniform distribution of a large number of micron and nano-sized pores, a high porosity rate, and excellent thermal insulation performance.
◆ The product is a backing insulation material, determined by its performance, and cannot be used as the working layer of a furnace lining.
◆ The product does not contain asbestos or other toxic and harmful components; it has no biological nutrients, will not rot or mold, and poses no risk of insect or rodent damage.
Hard calcium silicate composite brick performance indicators
| Project |
Unit |
MFDJ-30Q |
MFDJ-40 |
Standard |
| Temperature grade |
℃ |
1000 |
1000 |
— |
| Density, ±10 % |
kg/m3 |
300 |
400 |
GB/T 10699 |
| Compressive strength |
MPa |
≥2.4 |
≥2.5 |
GB/T 5072 |
| 900℃×3 h linear shrinkage rate |
% |
≤1.0 |
≤1.0 |
GB/T 10699 |
| Thermal conductivity (thermal surface temperature 600℃) |
W/(m·k) |
≤0.074 |
≤0.078 |
YB/T 4130 |
Product characteristics
Low thermal conductivity, good insulation effect
Low thermal shrinkage rate, stable dimensions
Low bulk density, low thermal capacity
Stable physical and chemical properties, good durability
High mechanical strength, no deformation
Product application
As an excellent insulation backing material, the product can be widely used in thermal equipment in most industrial fields.
Non-ferrous metallurgy industry, suitable for thermal insulation of the bottom, side walls, side covers, and flues of electrolytic cells.
Product specification size
| Project |
Length /mm |
Width /mm |
Thickness /mm |
| MFDJ-30Q |
600 |
600, 500 |
20-100 |
| MFDJ-40 |
600 |
600, 500 |
20-65 |
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