Steel fiber reinforced fire-resisting casting material

　　Steel fiber reinforced fire-resisting casting material is a high-quality Casting material based on high-quality high-alumina bauxite clinker, corundum, and heat-resistant steel fibers, with addition of superplasticizers and ultrafine powders, and calcium aluminate cement as a binder. The product has high strength, abrasion resistance, and resistance to peeling. According to the physical and chemical indicators of performance, it is divided into three brands of F1, F2 and F3.

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product Overview:

　　Steel fiber reinforced fire-resisting casting material is a high-quality Casting material based on high-quality high-alumina bauxite clinker, corundum, and heat-resistant steel fibers, with addition of superplasticizers and ultrafine powders, and calcium aluminate cement as a binder. The product has high strength, abrasion resistance, and resistance to peeling. According to the physical and chemical indicators of performance, it is divided into three brands of F1, F2 and F3.

Physical and chemical indicators:

Item		F1	F2	F3
Al2O3 % ≥		80	70	65
Compressive strength at room temperature Mpa ≥	110 ℃×24h	90	80	70
Compressive strength at room temperature Mpa ≥	1100 ℃×3h	90	80	50
Flexural strength at room temperature Mpa ≥	110 ℃×24h	12	10	9
Flexural strength at room temperature Mpa ≥	1100 ℃×3h	12	10	6.5
Heating permanent line change rate（ 1100 ℃×3h） % ≤		±0.5	±0.5	±0.5
1100℃～Flexural strength after 5 cycles of rapid cooling and heating at room temperature Mpa ≥		5.5	5.0	5.0