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High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof
Specifications
Payment Terms :
L/C,T/T,D/P
Model Number :
LDS-HA75 LDS-HA80 LDS-HA85 LDS-HA95
Service Temp(degree) :
1600-1750
MOQ :
1
Delivery Time :
7-10Days
Packaging :
25kg/bag
Certification :
ISO/CE
Place of Origin :
China
Packaging Details :
Kraft bag
Price :
Negotiable
Shape :
Powder
Supply Ability :
10000 Tones/Month
Brand Name :
Leadsun
Bulk Density(g/cm³) :
2.5-3.0
Al2O3 Content (%) :
50%-80%
Description
Product Overview
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof

High Alumina Cement (formerly known as bauxite cement) is a hydraulic cementing material produced by grinding clinker with an alumina content of approximately 50%, in which calcium aluminate is the principal constituent. It is also referred to as refractory cement and serves as a key binder for producing low-cement high-alumina castables.

Technical Specifications
Chemical composition and mechanical performance by grade
Item CA-50 CA-60 CA-70 CA-80
Chemical component Al2O3 /% 50–60 60–68 68–77 ≥77
SiO2 /% ≤8.0 ≤5.0 ≤1.0 ≤0.5
Fe2O3 /% ≤2.5 ≤2.0 ≤0.7 0.5
R2O (Na2O + 0.658K2O) /% ≤0.4 ≤0.4 ≤0.4 ≤0.4
Rupture strength MPa 1 day 5.5 2.5 5.0 4.0
3 days 6.5 5.0 6.0 5.0
28 days / 10.0 / /
Compressive strength MPa 1 day 40 20 30 25
3 days 50 45 40 30
28 days / 80 / /
Setting time (min) Initial time ≥30 ≥60 ≥30 ≥30
Final time ≤360 ≤1080 ≤360 ≤360
Product Applications
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof
Advantages of High Alumina Cement
  1. High refractoriness, reaching up to 1650℃ ± 50℃.
  2. High density with low porosity.
  3. High strength and excellent wear resistance.
  4. Good thermal exfoliation resistance.
  5. Good resistance to slag invasion.
  6. Good plasticity for convenient construction.
  7. High bonding strength.
  8. Good thermal shock stability.
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof
Frequently Asked Questions
Q1. Are you a manufacturer?

A: Yes, of course. Our factory is located in Henan.

Q2. Can we visit your company?

A: Sure, you are welcome at any time — seeing is believing.

Q3. What is the MOQ for a trial order?

A: There is no limit. We can offer the best suggestions and solutions according to your specific conditions.

Q4. What are the payment terms?

A: Usually T/T, but L/C, Western Union and other terms are also available.

Q5. How about your company's certification?

A: We hold CE, ISO9001 and test reports, and we can also apply for other necessary certifications.

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High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof

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Product Detail
Payment Terms :
L/C,T/T,D/P
Model Number :
LDS-HA75 LDS-HA80 LDS-HA85 LDS-HA95
Service Temp(degree) :
1600-1750
MOQ :
1
Delivery Time :
7-10Days
Packaging :
25kg/bag
Contact Supplier
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof
High Alumina Castable Refractory Cement Al2O3 80% for 1600-1750℃ Electric Furnace Roof

Qingdao Leadsun Refractory Co., Ltd

Verified Supplier
1 Years
qingdao
Since 2014
Business Type :
Distributor/Wholesaler, Exporter, Trading Company, Seller
Main Products :
Ceramic Fiber Blanket, Fire Clay Brick, Insulation Refractory Bricks
Total Annual :
3000000-5000000
Employee Number :
5~20
Certification Level :
Verified Supplier
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