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EpoxAcast™ 690

EpoxAcast™ 690 Technical Specifications

Optically Clear Casting Epoxy

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All Technical Data

EpoxAcast™ 690
Product Type
  • Epoxy Casting and Laminating Resins
Mixed Viscosity200 cps
Mix Ratio By Weight100A:30B
Pot Life5 hours
Cure Time24 hours
Shore D Hardness80
Specific Gravity1.10 g/cc
Specific Volume25 cu. in./lb.
ColorClear
Tensile Strength6,630 psi
Tensile Modulus572,000 psi
Compressive Strength9,610 psi
Compressive Modulus91,300 psi
Flexural Strength10,980 psi
Flexural Modulus410,000 psi
Shrinkage0.002 in. / in.
Heat Deflection Temp115 °F

Product Description

EpoxAcast™ 690

EpoxAcast™ 690 is a clear casting epoxy resin suitable for a variety of industrial and art-related projects requiring a rigid, clear finished casting. It is mixed 100A:30B by weight (gram scale required) and features a very low viscosity for easy mixing and minimal bubble entrapment. Working time is 5 hours and cure time is 24 hours at room temperature. Castings cure with negligible shrinkage and are very hard and strong. Resin can be colored with UVO™ or IGNITE™ colorants. This product is not moisture sensitive and can be used in humid environments. Recommended casting thickness maximum per layer is 3/8 in. / 0.95 cm.

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