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Rigidizer - Gallon

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Price: $39.95
Part No: RF-458
Rigidizer™ (gallon size) is an inorganic liquid hardener, has a temperature grade rating of 1260°C (2300°F). It is generally used to increase the durability and surface erosion resistance of Fiberfrax blanket, module, and board products. 
 
Kaowool Rigidizer is stabilized against freezing during exposure to cold; however, freezing should be avoided.
If you live in a freeze area do not order this during winter months. Clay Planet will not be held responsible if it freezes.

Price shown is per gallon.

-Sets with strong, hard film and develops ceramic bond above 1600°F (871°C)
-Can be used for spray, dip, or brush applications over fiber blanket, boards, or modules to impart extra strength

Features
• Increases surface hardness and resistance to erosion
• Easily applied by brushing or spraying
• Freeze resistant Applications
• Surface coating for Kaowool ceramic fiber blanket exposed to high velocity gases
• Adhesive for use in making composites and laminates
• Surface treatment for Kaowool vacuum formed shapes to increase surface hardness

Physical Properties:

Color clear
Solid content, % silica (approx) 28 - 29
Weight per gallon, lb (kg) (approx) 10 (4.5)
Nominal density, (wet), pcf (kg/m3) (approx) 75 (1202)
Maximum temperature rating, °F (°C) 2300 (1260)
Freezing temperature, °F (°C) 28 (-2)
Viscosity, centipoises @ 25°C 4
Specific gravity @ 25°C 1.203
pH 9.7

Handling:
Kaowool Rigidizer must be protected from freezing. Normal shelf life is twelve months in unopened containers that have been properly stored.
Installation Information
Kaowool Rigidizer is applied by brushing, dipping, rolling, and spraying. Suitable respiratory protection and ventilation are required when applied by spraying.
Materials to be rigidized should be free of all grease and oil.
Kaowool Rigidizer receives its bonding action from the removal of physical water. Bonding may be accelerated by heating or over drying. Curing is a function of the size of the shape and its geometry.
An application rate of one gallon per 25 square feet (7.6 m2) of ceramic fiber surface will render a hard surface without completely rigidizing the interior of the ceramic fiber body.

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