Smooth-On EpoxAcast® 690 is a UV resistant clear casting epoxy resin that is ideal for making clear jewellery/beads or replacement lenses for kit cars and other applications requiring a rigid, clear finished product. EpoxAcast® 690 can be coloured with SO-Strong® colour tints.
EpoxAcast® 690 is also suitable for making clear moulds and prototype parts. Castings cure with negligible shrinkage and are very hard and strong. EpoxAcast® 690 is also suitable for encapsulation applications for electronic assemblies where component identification is necessary. Recommended casting thickness maximum; 2 in. / 5 cm.
Mix Ratio |
Pot Life |
Cure Time |
EpoxAcast 690 Clear Hardener |
100A:30B by weight |
5.0 Hours |
24 Hours |