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| Quantity: | |
|---|---|
Product Description
name | Weight (kg) |
Steel fiber reinforced refractory castable | 50 |
Product Description:
Steel fiber reinforced refractory castable refers to the addition of heat-resistant steel fibers of a certain size (about 20-35mm in length and about 0.13-0.2cm² in cross-sectional area) into a mixture composed of refractory aggregates, binders and additives Refractory materials can be poured.
Product Features:
①It can inhibit the shrinkage of the castable during curing, baking and high temperature use.
②Improve the toughness, mechanical impact resistance and mechanical strength of the castable.
③Improve the thermal shock resistance of the castable.
④ Prevent the microcracks generated in the castable from expanding or extending under the action of thermal stress and mechanical stress, resulting in fracture or peeling.
Physical and chemical indicators:
Ordinary | High-strength | ||||
FA | FC | FHA | FHC | ||
Al2O3,% | not less than | 70 | 83 | 70 | 80 |
Normal temperature flexural strength MPa not less than | 110°C | 9.0 | 9.0 | 10.0 | 12.0 |
1100°C | 5.5 | 6.5 | 10 | 12 | |
Compressive strength at room temperature MPa not less than | 110°C | 70 | 70 | 70 | 80 |
1100°C | 40 | 50 | 70 | 80 | |
1100℃~room temperature water rapid cooling and rapid heating cycle after 5 times flexural strength, MPa not less than | 4.5 | 5.5 | 5.0 | 5.0 | |
Linear change rate after firing at 1100℃,% | ±0.4 | ±0.5 | ±0.4 | ±0.5 | |
Product Usage:
Steel fiber reinforced refractory castables are mainly used in other industrial kilns in building materials industry where refractory materials are required to have good peeling resistance and impact resistance.For example: cement rotary kiln mouth, wet-process rotary kiln heat-resistant steel chain belt, cement kiln cooler, cement kiln coal injection pipe, etc.
