Shengjie Refractory Supplier High Alumina Cement High Temperature Resistant

Product Description

Product Description

High Alumina Cement (Refractoy Cement) is a high-performance refractory binder made from high-alumina raw materials, offering excellent heat resistance, rapid strength development, and strong durability.

It is widely used for manufacturing refractory castables and repairing high-temperature equipment, providing reliable bonding performance in severe thermal environments.

Product Feature

-High Alumina Content

 Al2O3 content ranging from 50% to 80%, providing excellent refractory performance
-High Temperature Resistance

 Suitable for high-temperature applications with service temperatures of 1650–1770°C

-Excellent Bonding Strength

 Provides strong bonding performance for refractory castables and linings

-Good Thermal Stability

 Maintains stable performance under repeated heating and cooling conditions

-Excellent Corrosion Resistance

 Resists chemical attack from slag and high-temperature materials
-Rapid Strength Development

 Achieves early strength after installation for efficient construction
-Wide Application

 Suitable for various refractory castables and repair materials

Specification

Item		High Alumina Cement
		CA50	CA65	CA70	CA75	CA80
AL203 (%,≥)		50	64-66	69-71	73-75	77-80
Fe203 (%,≤)		2.5	0.8	0.7	0.6	0.5
Si02 (%,≤)		7.5	1.2	1	0.8	0.5
R20 (%,≤)		0.4	0.4	0.4	0.4	0.4
Cl (%,≤)		0.1	0.1	0.1	0.1	0.1
S (%,≤)		0.1	0.1	0.1	0.1	0.1
325 mesh remind (≤)		12	5	5	5	5
Surface (m2/kg,≥)		320	380	400	430	450
Initial Setting Time(min,≥)		60	120	120	120	120
Final Setting Time(min,≤)		360	420	420	420	420
Crushing Strength (MPa,≥)	1day	55	45	40	35	30
	3days	65	55	50	45	40
Bending Strength (MPa,≥)	1day	6.5	5.8	5.5	5.2	5
	3days	7.5	6.7	6.5	6.3	6
Refractoriness (℃)		1650	1680	1730	1750	1770

Item		High Alumina Cement
		CA50-A600	CA50-A700	CA50-A900
SiO2 (%,≤)		8	9	9.0
Al203 (%)		≥50,<60	≥50,<60	≥50,<60
Fe203 (%,≤)		2.5	3	3.0
R20 (%,≤)		0.4	0.5	0.5
S (%,≤)		-	0.2	0.2
CI (%,≤)		-	0.06	0.06
Flexural Strength (MPa,≥)	1Day	6.5	7.5	8.5
	3Day	7.5	8.5	9.5
Compressive Strength (MPa,≥)	1Day	50	60	70
	3Day	60	70	80

Application

•Refractory Castables: Used as a binder for high-temperature castable production
•Industrial Furnaces: Repair and lining applications for heating equipment
•Steel Industry: Applied in furnaces, ladles, and thermal processing equipment

•Cement Industry: Used in kiln linings and high-temperature zones
•Foundries: Suitable for furnace repair and refractory construction
•Incinerators: Provides heat-resistant bonding for combustion equipment

Packaging & Shipping

We use standard industrial export packaging to ensure safe and reliable delivery. All products are securely packed with shockproof and moistur proof materials, suitable for long distance shipping.

Our Factory

Company Profile

About Shengjie Refractory

Shengjie Refractory was founded in 1971 and is headquartered in Luoyang City, Henan Province.
With over 55 years of history in the thermal insulation industry, we own 7 modern production bases and a professional R&D team, and continuously upgrade our advanced manufacturing equipment in strict accordance with international standards. Our annual production capacity of vacuum insulation panels(VIP) reaches 450,000 m².

We implement a strict quality management system and hold authoritative certifications such as ISO and CE.  Our 55 years of industry experience enable us to effectively control production costs and ensure product quality, while sufficient inventory guarantees on-time delivery. 

Our products are widely exported to global markets, including the United States, Germany, Mexico, India, Australia, Spain, Israel, Malaysia, Indonesia, Pakistan, Saudi Arabia, Canada and other countries, winning high recognition from international customers.

Quality Certificate

Business Partners

FAQ

Q1: Are you a manufacture or trader?
We are a professional manufacture with our own factory and production lines,focusing on production and quality control.We have 55 years of experience in this industry.

Q2: Do you provide free samples?
Yes,free samples are available, but the shipping fee will be charged.

Q3.Why choose Shengjie?
*Professional manufacturer since 1971
*10 production lines
*An annual output of nearly 100,000 tons and hundreds of employees
*Customized according to your requirements or drawings
*Inventory available for quick shipment

Q4.What's the MOQ of trial order?
No limit,and we can provide best advice based on your situation.

Q5. Do you accept OEM? 
A:Yes, we can do OEM. 

Q6.Does the product have a warranty period?
Yes, all our products come with a warranty period.The specific duration depends on the product. Please contact us for details.

Q7.Can we visit your company?
You are always welcome to visit our factory. We look forward to meeting you.