high aluminum refractory castable
Product DetailsPlace of Origin: Shandong China (Mainland)
Shape: Powder
Material: Castable
Al2O3 Content (%): 55%
CaO Content (%): <2.5%
Refractoriness (Degree): 1770°< Refractoriness<...
Model Number: A-55
Brand Name: YUN TAI
Density: 2.3-3g/cm3
Working Temperature: 1200-1650C
Al2O3: 45-90%
Certificate: ISO9001:2000 certificate
Packaging & DeliveryPackaging Detail:
25kgs/bag 48bags/jumbo bag
Delivery Detail:
15 days
SpecificationsRefractory castable manufacturer
Low cement refractory castable
Type:A-45,A-60,A-70,A-80.
Density:2.3-3g/cm3
AL2O3:45-90%The picture above shows low cement refractory castable in woven bag . This type is A-55 with Al2O3 content 55%. The brand of this product is "YUNTAI WOOL", and OEM is also available. characteristics: 1. The dosage of cement is low, the content of calcium only accounts for 1/4-1/3 of common Refractory Castable
2. Wter consumption rate during the construction is almost 1/2 or 1/3 of the common Refractory Castable, so the Low Cement Refractory Castable has high density and low porosity.
3. High normal temperature cure property, intensity will be increased after medium temperature and high temperature. Three or five times more than common Refractory Castable.
4. Good volume stability under high temperature.
Application:Material for metallurgy, petroleum, chemical and other industries kilns
Part of refining installation, like ladle cover
Insert for roof of the kiln TECH DATAItem
Low Cement Refractory Castable
Special
No.
A-45
A-60
A-70
A-75
A-80
A-90
S-1
S-2
Dry Density (g/cm3) >
2.3
2.5
2.6
2.65
2.7
3
2.7
2.7
Chemical (%)
Al2O3>
45
60
70
75
80
90
75
75
ZrO2
--
--
--
--
--
--
3
3(Cr2O3)
Modulus of Rupture(Mpa)
110oC×24h>
5
8
9
9
10
12
10
10
1500oC×3h>
8(1350oC)
10 (1450oC×3h)
12
15
12
12
Compressive Strength(Mpa)
110oC×24h>
30
40
40
45
45
60
45
45
1450oC×3>
60
80
80
85
90
85
90
90
Linear Dimensional Change After Fired (1500oC×3h)%<
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
1350oC×3h
1450oC×3h
1450oC×3h
1450oC×3h
Refractoriness(oC)>
1710
1740
1790
1790
1790
1790
1790
1790
Working Temp(oC)
1450
1450
1500
1550
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