• Heat Resistance High Alumina Cement 80
  • Heat Resistance High Alumina Cement 80
  • Heat Resistance High Alumina Cement 80

Heat Resistance High Alumina Cement 80

Catalog: Refractory Cement | 2023-02-06

1. Model: CA75, CA80, CA80S
2. Material: Calcium aluminate

√ Good fluidity
√ High refractoriness
√ Excellent mechanical performance

Product Details

refractory manufacturer

We are a refractory material manufacturer, with four major factories: heavy brick factory, light brick factory, monolithic refractory factory and fused-cast brick factory.
We promise to provide you with high-quality refractory materials.

Heat resistance high alumina cement 80 introduction

As a high purity product, heat resistance high alumina cement CA80 contains approximately 80% alumina, and Kerui 80% high alumina cement is represented by two product types, CA80 and CA80S.

Heat resistance high alumina cement 80 feature

  • Anti-freezing
  • High purity
  • For emergency maintenance
  • Rapid hardening and early strengthening
  • Stable corrosion resistance of surface effects

Notes: refractory cement = high alumina cement = Calcium aluminate cement

More relevant refractory products: Corundum Mullite Fire Bricks

Heat resistance high alumina cement 80 index

Workable timeModerateModerateShortShortLongerLonger
StandardUsual rangeSpecification limitUsual rangeSpecification limitUsual rangeSpecification limit
SiO2, %0.1-0.4≤0.50.1-0.4≤0.50.1-0.4≤0.5
Al2O3, %73.5-75.5≥7378.0-80.0≥7778.0-80.0≥77
Fe2O3, %0.1-0.4≤0.50.1-0.4≤0.50.1-0.4≤0.5
CaO, %21.0-23.018.5-20.518.5-20.5
R2O, %≤0.4≤0.4≤0.4
S-, %≤0.1≤0.1≤0.1
CI-, %≤0.06≤0.06≤0.06
Specific surface areas(㎡/kg)420-480≥400450-500≥450450-500≥450
Setting time, min      
Initial setting time IS150-200≥150150-210≥30210-270≥180
Final setting time FS240-300≤360210-270≤300260-320≤360
Flexural strength, Mpa      
Compressive strength, Mpa      

Heat resistance high alumina cement 80 application

The special properties of high alumina cement CA80 give high performance concrete the following characteristics: high fire resistance and excellent mechanical properties.

Heat resistance high alumina cement 80 can be used for conventional and low-cement castables in the refractory industry, where rapid setting, high early strength development and good medium-temperature strength are required. The high purity of CA80 makes it suitable for certain refractory applications. For example, low silica and iron oxide are essential in reducing atmospheres where hydrogen or carbon monoxide is present.

【Additional Information】

Principal phase: CA, CA2, Aα

Secondary phase: C12A7

Pyrometric cone equivalent: 1750-1800℃

Bulk density: 800-900 kg/m3

Specific gravity: 3.1-3.2 g/cm3

Shelf Life: 6 months

【Packaging and Storage】

Packing method: Standard export packaging

Paper bags: 25/50kg

Big bags: 1.0/1.5mt

Storage tips:High purity calcium aluminate cements must be stored in dry conditions, off the ground. In this case, it will retain its proper ties for at least 6 months. In many instances, experience has demonstrated that properties are retained for more than one year.