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Home : Epoxy Systems
 

* Price: $644.21

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*All prices are in Canadian funds.

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EpoxAcast 670 HT 5 Gallon Kit 58 Lbs (798314)
EpoxAcast® 670 HT (formerly 20-136) is an epoxy casting compound which offers high heat resistance up to 350° F/177° C if post cure schedule is used. EpoxAcast® 670 HT features a relatively low viscosity that ensures minimal bubble entrapment. EpoxAcast® 670 HT also offers an extra long working time of 3 hours. Castings cure with negligible shrinkage and are very hard, very strong and heat resistant. EpoxAcast® 670 HT is ideal for making vacuum form molds, foundry patterns, forming dies & fixtures, hard rollers, industrial parts and high impact tools. EpoxAcast® 670 HT is also suitable for encapsulation applications or for use as a high temperature epoxy for bonding a variety of surfaces.

Handling Properties:
Mix Ratio: 100A:16B by weight
Pot Life: 3 hours
Mixed Viscosity: 12000 cps
Specific Volume: 20.51 cu.in./lb.
Cure Time: 24 hours followed by: Heat cure for 2 hrs @ 175 F/80 C followed by 3 hrs @ 300 F/150 C


Physical Properties:


Shore Hardness: 90D
Heat Deflection Temperature:
252 F/122 C (if cured @ room temp.)
350 F/177 C (if post cured according to heat curing schedule)

PAINTING Cured EpoxAcast® 670 HT can be painted and/or primed and then painted with acrylic enamel paints. Let paint fully dry before putting part into service.

APPLYING RELEASE AGENT: This product is adhesive and will bond to many surfaces. For epoxy to epoxy applications where adhesion is not desired, an application of paste wax followed by Ease Release® 2125 PVA. For other surfaces such as metal or plastic, a silicone based spray release such as Universal Mold Release may be used to prevent adhesion.

Removing Epoxy Uncured / Non-curing epoxy: Scrape as much material as possible from the surface using a scraper. Clean the residue with E-POX-EE KLEENER®, lacquer thinner, acetone or alcohol. Follow safety warnings pertaining to solvents and provide adequate ventilation.