United Refractories Co. Product Listing

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Product Name / Characteristics
Maximum Temperature
°F°C
Materials Required
Lbs/ft³Kg/m³
Chemical Analysis by Percentage

UNI-RAM VR-558A

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

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31001700 1903040 AI2O3 87.5 SiO2 4.4 SiC 4.5 Other 3.6

UNI-RAM VR-560A

Fused alumina, silicon carbide dry vibratable refractory

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31001700 1903040 AI2O3 88.2 SiO2 4.4 SiC 4.6 Other 2.8

UNI-RAM VR-570A

Fused alumina, mullite bonded dry vibratable refractory for iron channel furnace throat applications

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31001700 1903040 AI2O3 94.1 SiO2 3.7 TiO2 1.3 Other 0.9

UNI-RAM VR-580A

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

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31001700 1852960 AI2O3 69.2 SiO2 2.8 SiC+C 23.0 Other 5.0

UNI-RAM VR-611A

Mullite based dry vibratable refractory for coreless induction furnace hot-face melting gray and ductile iron.

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31001700 1702720 AI2O3 77.3 SiO2 19.3 TiO2 1.4 Other 2.0

UNI-RAM VR-740A

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

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30001650 1903040 AI2O3 82.6 SiO2 1.6 MGO 12.4 Other 3.4

UNI-RAM VR-788A

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

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33001820 1923080 AI2O3 86.4 SiO2 0.2 MGO 12.9 Other 0.5

UNI-RAM VR-790A

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

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33001820 1923080 AI2O3 85.8 SiO2 0.7 MGO 12.8 Other 0.7

UNI-RAM VR-796A

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

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33001820 1953120 AI2O3 85.0 MGO 10.7 Cr2O3 2.3 Other 2.0

UNI-RAM VR-797A TOP CAP

Spinel bonded dry vibratable, high alumina top cap.

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33001820 1963140 AI2O3 82.6 SiO2 1.5 MGO 11.8 Other 4.1

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