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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.
EpoxAcast 670HT Base (Part A) & Hardener (Part B) are sold separately. It is recommended to use HT Hardener
|EpoxAmite Hardener Reference – When Using EpoxAcast® 670HT Part A|
|Mix Ratio||Pot Life||Cure Time|
|HT HIGH TEMPERATURE Hardener||100A:16B by weight||3.0 Hours||24 Hours followed by: Heat cure for 2 hrs at 175°F/80°C followed by 3 hrs at 300°F/150°C|