Calcium Alumina Refractory Cement Ca-75A

• Customization: Available
• Feature: Long Time Materials
• Refractoriness (℃): 1770< Refractoriness< 2000
• Model NO.: CA-75A
• Shape: Powder
• Color: Grey
• Type: Refractory Material
• Material: Cement
• Transport Package: in 25kg/Bag Loaced on Fumigated Wooden Pallets
• Specification: 75% alumina
• Trademark: KAIYUAN
• Origin: China
• HS Code: 38160000
• Production Capacity: 2000tons/Month

Product Description

Refractory cement CA-75A
Performance: with high content of CA mineral, high specific surface area ,high strength,high early strength.

Items	CA-75E		CA-75G		CA-75A
Refractoriness ºC	1710-1750
Chemical composition %
Al2O3	75
CaO max	25
SiO2 max	1.0
Fe2O3 max	0.7
Na2O+K2O max	0.4
S max	0.1
Specific density g/cm3	3.1-3.2		3.1-3.2		3.1-3.2
Specific surface area m2/kg min	600		600		600
Initial setting time minutes min	30		30		30
Final setting time minutes max	360		360		360
Rupture strength Mpa
6 hr	3.0		-		-
24 hr	5.0		5.0		5.0
72 hr	6.0		6.0		6.0
Cold crushing strength Mpa
6 hr	15		-		-
24 hr	35		30		35
72 hr	45		40		45
Castable performance	Corundum castable	Low cement castable	Corundum castable	Low cement castable	Corundum castable		Low cement castable
Water addition %	5.2	6.8	5.2	6.8	5.2		6.8
Flow value mm
Initial flow value	196	178	192	168	220	164
30 minutes	186	175	190	164	203	152
60 minutes	174	168	177	165	193	156
Cold crushing strength Mpa
24 hr room temperature	18	21	21	22	20	20
110ºC dry 24hr	82	115	91	109	83	98
1100ºC heating 6 hr	52	123	49	120	50	116

Why choose us? 

Zhengzhou Kaiyuan Refractories Co., Ltd is a manufacturer of silicon-aluminum refractory (fireclay brick, high alumina brick, silica brick, mullite brick, corundum brick, insulation brick, castable, mortar) for coke oven, blast furnace, hot blast stove, heating furnace, anode baking furnace, boilers and other industrial furnaces for 20 years located in Henan, China. 

Our total annual production capacity is about 100,000 tons of dense-shaped refractory product, and 100,000 tons of monolithic refractory product. 
We have three tunnel kilns for silicon-aluminum dense bricks and one new plant for the monolithic refractory. 
We're sure our custom-made products and professional services will bring you a stable quality supply and more profit. 

Our Laboratory and R&D Center



Contract Kiln Construction 
Certificates 

FAQ 

1. Are you a Manufacturer or trader?
A: We are manufacturer and our plant is located in Xinmi city, Henan, China
 

2. Can we visit your company?
A: You are warmly welcome to visit our company at anytime, you'll not regret of the visiting.

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

4. What's the MOQ of trial order?
A: We care about all the potential customers and take all the trails orders. 

5. What is the payment term?
A: TT, LC, DP, DA.

6. How long is the delivery time?
A: Usually within 35 days after down payment.

7. Do you accept third party inspection ?
A: Yes for sure, we accept the third party inspection before delivery.

8. What is your after-sell service?
A: The rejected goods can be replaced or we can make compensation for it. We can send technical engineers to the end user for technical issue.

9.What is your company's certification?
A: ISO9001 certificate