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Unifrax Fiberfrax® Vari-Form™ A Casting Mix

Category Ceramic , Potting/Casting Ceramic
Manufacturer Unifrax I LLC
Trade Name Fiberfrax®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Unifrax Fiberfrax® Vari-Form™ A Casting Mix.pdf
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Material Notes:
Fiberfrax FC-25 tamping mix and Vari-Form™ castable materials provide casting mixes which can be applied in small areas such as furnace access and site doors, tube sheets, and as a refractory backup. FC-25 tamping mix is a wet mix containing Fiberfrax fibers and inorganic binders. It is poured directly from the container and tamped into place. Dry density is 20-25 pounds/cubic foot. Vari-Form is a dry mix available in two density grades of 30-40 and 50-60 pounds/cubic foot. Water is added to the dry product at the job site and mixed thoroughly. It is then simply poured and troweled into the area to be insulated. The mix sets in about 18 hours and can then be heated to operating temperature.Typical ApplicationsBackup insulationLadle backup insulationInduction furnace insulationFornace door insulationInformation Provided by Unifrax I LLC
Physical Properties Metric English Comments
Density 0.481 - 0.641 g/cc
0.0174 - 0.0231 lb/in³
Dry
Mechanical Properties Metric English Comments
Modulus of Rupture 0.000138 - 0.000345 GPa
0.0200 - 0.0500 ksi
Dry
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 982 °C
1800 °F
Recommended Operating Temperature
Shrinkage 1.6 %

@Temperature 982 °C,
Time 86400 sec
1.6 %

@Temperature 1800 °F,
Time 24.0 hour
Descriptive Properties Value Comments
Appearance Dry gray fibers
Temperature Grade (°F) 2200
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