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

UNI-RAM VR-590A

Fused alumina product developed for line and medium frequency coreless furnaces, reverbatory furnaces and channel induction furnaces melting or holding aluminum.

°F °C
2000 1095
Lbs/ft³ Kg/m³
192 3076
AI2O3 SiO2 SiC Other  
86.1 5.1 4.4 2.4

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PRODUCT NAME /
CHARACTERISTICS
MAXIMUM
TEMPERATURE
MATERIALS
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CHEMICAL ANALYSIS
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UNI-RAM VR-740A

Fused alumina, spinel bonded dry vibratable refractory for high temp cupro-nickel coreless applications

°F °C
3000 1650
Lbs/ft³ Kg/m³
190 3040
AI2O3 SiO2 MGO Other  
82.6 1.6 12.4 3.4

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PRODUCT NAME /
CHARACTERISTICS
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TEMPERATURE
MATERIALS
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UNI-RAM VR-580A

Fused alumina, silicon carbide dry vibratable refractory for non-ferrous coreless applications

°F °C
3100 1700
Lbs/ft³ Kg/m³
185 2960
AI2O3 SiO2 SiC & Carbon Other  
69.2 2.8 23.0 5.0

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PRODUCT NAME /
CHARACTERISTICS
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TEMPERATURE
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UNI-RAM VR-560A

Fused alumina, silicon carbide dry vibratable refractory

°F °C
3100 1700
Lbs/ft³ Kg/m³
190 3040
AI2O3 SiO2 SiC Other  
88.2 4.4 4.6 2.8

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PRODUCT NAME /
CHARACTERISTICS
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TEMPERATURE
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UNI-RAM VR-558A

Fused alumina, silicon carbide dry vibratable for non-ferrous channel furnace throat and upper case applications

°F °C
3100 1700
Lbs/ft³ Kg/m³
190 3040
AI2O3 SiO2 SiC Other  
87.5 4.4 4.5 3.6

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UNI-RAM VR-550A

Fused alumina, silicon carbide dry vibratable refractory for non-ferrous applications

°F °C
3000 1650
Lbs/ft³ Kg/m³
190 3040
AI2O3 SiO2 SiC Other  
86.4 5.2 4.4 4.0

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