Refractory cement

Composition: CaO: 50-60-70% Refractoriness: 1670℃

Color: Grey

Refractoriness: 1670℃

Application: As binder or fire brick masonry

Package: 25-50kg/bag

Type: CA50 CA60 CA70

 

Overview

CA-50 60 70 refractory cement - Aluminium silicate cement

Specification

Type CA50-high alumina cement CA60-high alumina cement CA70-high alumina cement
Refractoriness.(℃) 1460 1530 1650
Specific surface area ≥ (m2/kg) 300 300 300
Chemical analysis, % Al2O3≥ 50~60 60~68 68~77
SiO2≤ 8 5 1
CaO 30~39 27~32 21~28
Fe2O3≤ 2.5 2 0.7
Cold crushing strength
(Mpa)
1DAYS 40 20 30
3DAYS 50 45 40
Cold bending strength (Mpa) 1DAYS 5.5 2.5 5
3DAYS 6.5 5 6
Initial setting time≤ 30mins 60mins 30mins
Final setting time 6h 18h 6h
Application as binder or additives
and brick masonry
as binder or additives
and brick masonry
as binder or additives
and brick masonry

Message

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