Pyroform Extender™ - All Purpose Refractory Sealer and Release Coat

　

Pyroform Extender™ is an all purpose refractory joint and patch compound. Its low shrinkage, excellent thermal shock resistance, and good adherence make it suitable for many uses. Pyroform refractory products can be patched or repaired with Pyroform Extender. Pieces can be joined together using Pyroform Extender as a cement.


Application. All surfaces where Pyroform Extender is applied must be clean and dry. Apply with a trowel, putty knife, or caulking device. Pyroform Extender is packaged in airtight containers and should be kept from freezing.

　

　

TYPICAL PROPERTIES

Method of Application

Trowel, Caulk

Thickness of Application

Up to 1/2￣ (13mm)
(greater with multiple applications)

Curing

Air Dry (hot air, up to 250＜F (120＜C),
may be used to accelerate drying)

Maximum Continuous
Use Temperature

1600 oF (870 oC)

Weight Per Gallon

15.0 lbs. (6.8 KG)

Modules of Rupture

@ 1600＜F (870＜C)
24 hr. Exposure

 450 PSI (3103 KPa)

Normal Shelf Life

1 year

　

 　
　

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