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Polyester
Resin Adhesive
Polyester resin
adhesive is a synthetic resin based 1-part or 2-part liquid or paste
which bonds to a variety of materials. It is waterproof and usually not
flexible when hardened.
Polyester
Resin Curing
Polyester
adhesive cures by catalytic action. Typically, this requires
mixing the resin with the proper amount of hardener, although paste is
also available which does not require mixing. The amount of catalyst
needed is critically important, so measure precisely.
Polyester resin adhesive has high strength and setting times are
usually less than 30 minutes. Polyester resin should be allowed to cure
at temperatures from 70 to 80 degrees Fahrenheit.
The liquid forms are used mainly with fiberglass cloth to bond to metal
and wood for boat hulls, car bodies, and surfboards. The pastes are
available mixed with fillers, such as talc, to be used for wood fillers
or automotive body fillers.
The paste is typically gray or brown in color and the liquid is
generally clear to amber. Both the liquids and the pastes can be sanded
and painted.
Polyester
Resin Types
Polyester resin
is becoming increasingly available from more and more
manufacturers. Some example brands follow:
1. "Fiberglass Resin Jelly" and "Evercoat Rage Premium Lightweight Body
Filler," from Fibre Glass-Evercoat.
2. "Polyester General Purose Resin," Fiberglass Coatings Inc.
3. "Automotive Resin" Kardol Quality Products Inc.
4. "Bondo Body Filler," Bondo/Mar-Hyde Corporation.
5. "Minwax High Performance Wood Filler," Sherwin-Williams Company.
Conclusion
There are many
polyester resins available from wood fillers to
fiberglass compounds. You should consider your requirements, and the
many uses of this adhesive, when selecting the appropriate polyester
resin.
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