Unifrax Fiberfrax® Rigidizer™ W Inorganic Liquid Hardener

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Unifrax Fiberfrax® Rigidizer™ W Inorganic Liquid Hardener
Categories:	Ceramic
Material Notes:	Rigidizer™ and Rigidizer™ W, inorganic liquid hardeners, have a temperature grade rating of 1260°C (2300°F). They are generally used to increase the durability and surface erosion resistance of Fiberfrax blanket and board products. Rigidizer W hardener contains an organic wetting agent to promote saturation into the substrate, whereas Rigidizer hardener tends to remain on the material surface of the product form to which it is applied. Typical Applications Rigidizer for surface hardening of other Fiberfrax product forms Rigidizer W for saturating and rigidizing other fiberfrax product forms Erosion-resistant coating for surfaces subject to high-velocity hot gases Information Provided by Unifrax I LLC
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Physical Properties	Original Value	Comments

Density	10.0 lb/gal

Thermal Properties	Original Value	Comments
CTE, linear	30.0 µin/in-°F
Maximum Service Temperature, Air	1093 °C	Recommended Operating Temperature

Descriptive Properties
Appearance	Blue liquid
Approx. Coverage 1-Layer (SF/Gal)	50-100
Temperature Grade (°F)	2300
U.S. Coast Guard for "Incombustible Materials" Subpart 164.009	X

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CUNIF043 / 97815

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