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PRODUCT NAME /
CHARACTERISTICS
MAXIMUM
TEMPERATURE
MATERIALS
REQUIRED
CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-783A

Fused alumina based dry-vibratable that creates a dense magnesia-alumina spinel bond which has excellent resistance to chemical attack from basic metal oxides or slags. Must be sintered using a steel melt out form

°F °C
3300 1815
Lbs/ft³ Kg/m³
190 3044
AI2O3 SiO2 MGO  
87.2 0.1 12.4

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PRODUCT NAME /
CHARACTERISTICS
MAXIMUM
TEMPERATURE
MATERIALS
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UNI-RAM VR-811A

Fused alumina based dry-vibratable that creates a dense magnesia-alumina spinel bond. Improved matrix leads to reduced slag and steel penetration. This product must be sintered using a steel melt out form.

°F °C
3300 1815
Lbs/ft³ Kg/m³
195 3124
AI2O3 SiO2 MGO Other  
85.7 0.8 12.7 0.8

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PRODUCT NAME /
CHARACTERISTICS
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TEMPERATURE
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UNI-RAM VR-810A

Fused alumina based dry-vibratable that creates a dense magnesia-alumina spinel bond. This product must be sintered using a steel melt out form.

°F °C
3300 1815
Lbs/ft³ Kg/m³
195 3124
AI2O3 SiO2 MGO Other  
82.4 0.2 16.7 0.7

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UNI-RAM VR-796A

High strength, fused alumina base, spinel bonded dry vibratable refractory for coreless steel melting applications.

°F °C
3300 1820
Lbs/ft³ Kg/m³
195 3120
AI2O3 MGO Cr2O3 Other  
85.0 10.7 2.3 2.0

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UNI-RAM VR-91M

High purity, magnesia based dry vibratable refractory for coreless steel melting applications

°F °C
3300 1820
Lbs/ft³ Kg/m³
162 2600
AI2O3 SiO2 MGO Ca0  
1.2 0.7 97.0 0.9

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PRODUCT NAME /
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UNI-RAM VR-90M

High purity, magnesia based dry vibratable refractory for coreless steel melting applications

°F °C
3300 1820
Lbs/ft³ Kg/m³
173 2770
SiO2 MGO Ca0 Other  
0.6 98.3 0.7 0.4

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PRODUCT NAME /
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UNI-RAM VR-790A

High strength, fused alumina based, spinel bonded dry vibratable refractory for coreless steel melting applications

°F °C
3300 1820
Lbs/ft³ Kg/m³
192 3080
AI2O3 SiO2 MGO Other  
85.8 0.7 12.8 0.7

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UNI-RAM VR-788A

Fused alumina, spinel bonded dry vibratable refractory for coreless steel melting applications

°F °C
3300 1820
Lbs/ft³ Kg/m³
192 3080
AI2O3 SiO2 MGO Other  
86.4 0.2 12.9 0.5

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