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Unifrax Foamfrax® Grade II Fiber Insulation

Category Ceramic , Oxide , Aluminum Oxide , Silicon Oxide
Manufacturer Unifrax I LLC
Trade Name Foamfrax®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Foamfrax® Insulation is a monolithic insulation system developed by Unifrax. Foamfrax Insulation is a three-component system of specially conditioned bulk ceramic or soluble fibers, an inorganic binder, and an organic foaming binder. Foamfrax Insulation is easily installed at the job site by trained contractors using the special Foamfrax installation machinery. The interlocking network of fibers provides a strong, uniform monolithic structure having excellent thermal insulating properties, very low heat storage, and excellent resistance to thermal shock. Foamfrax Insulation is unaffected by most chemicals except hydrofluoric acid, phosphoric acid, and concentrated alkalies.CharacteristicsSpeed and ease of installationLow rebound during installationLow thermal conductivityLow thermal shrinkageLow heat storageExcellent thermal shock resistanceGood chemical resistanceGood sound absorptionPrincipal ApplicationsFurnace linings (reformers, boilers, kilns, heat treating furnaces, etc.)Vessel linings (incinerators, flues, ducts and stacks)Furnace refractory upgrades (Lining over Refractory (LOR), Fiber over Fiber (FOF))Low mass kiln car decksLadle preheat standsBackup for high-density gunned refractoriesBoiler tube wall insulationFurnace lining maintenance (gunning gaps, cracks and voids)Fire protectionInformation Provided by Unifrax I LLC
Physical Properties Metric English Comments
Density 0.128 g/cc
0.00463 lb/in³
Installed Fired
0.256 g/cc
0.00926 lb/in³
Installed Wet
Loss On Ignition 0.75 %
0.75 %
Thermal Properties Metric English Comments
Melting Point 1760 °C
3200 °F
Maximum Service Temperature, Air 1345 °C
2453 °F
Recommended Operating Temperature
Shrinkage <= 3.0 %

@Time 86400 sec
<= 3.0 %

@Time 24.0 hour
at operating temperature
Component Elements Properties Metric English Comments
Al2O3 29 - 31 %
29 - 31 %
SiO2 53 - 55 %
53 - 55 %
ZrO2 15 - 17 %
15 - 17 %
Processing Properties Metric English Comments
Moisture Content 50 %
50 %
At Installation
Descriptive Properties Value Comments
Color White (Fired)
Fiber Diameter (microns) 1-2
Temperature Grade (°C) 1430
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