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Cement bonded high-alumina fire-resisting casting material

product Overview: 　　Cement bonded high-alumina fire-resisting casting material is a high-quality Casting material with high-quality high-alumina clinker as the main raw material, high-efficiency water reducing agent and ultrafine powder, and calcium aluminate cement as the binder. According to the performance physical and chemical indicators are divided into GL-85, GL-70, GL-60 three brands.

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Product Description

product Overview:

　　Cement bonded high-alumina fire-resisting casting material is a high-quality Casting material with high-quality high-alumina clinker as the main raw material, high-efficiency water reducing agent and ultrafine powder, and calcium aluminate cement as the binder. According to the performance physical and chemical indicators are divided into GL-85, GL-70, GL-60 three brands.

Physical and chemical indicators:

Item	GL-85	GL-70	GL-60
Al2O3 % ≥	85	70	60
Refractory ℃ ≥	1780	1720	1700
Test temperature at which the linear change rate after burning is not more than ± 1% (3h holding time) ℃	1500	1450	1400
Compressive strength at room temperature（110 ℃×24h） Mpa ≥	35	35	30
Flexural strength at room temperature（110 ℃×24h） Mpa ≥	5	5	4

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