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EpoxAcast™ 655 + 103 Hardener

FOAM-iT!™ 10 SLOW vs. EpoxAcast™ 655 + 103 Hardener

Aluminum Filled Casting Epoxy Resin

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FOAM-iT!™ 10 SLOW

FOAM-iT!™ 10 SLOW vs. EpoxAcast™ 655 + 103 HardenerEpoxAcast™ 655 + 103 Hardener

Rigid Urethane Expanding Foams

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Key Differences

Product Type
  • Epoxy Casting and Laminating Resins
  • Urethane Expanding Foams
Mixed Viscosity23,000 cps400 cps
Mix Ratio By VolumeN/A (gram scale required)1A:1B
Pot Life3.5 hours3.5 minutes
Cure Time24 hours4 hours
Shore D Hardness90
Specific Volume16.7 cu. in./lb.157 cu. in./lb.
ColorGreyBeige
Disclaimer
Although we do our best to ensure accuracy, Smooth-On offers no warranties, promises, and/or representations of any kind, either expressed or implied, as to the accuracy, completeness, or reliability of the information contained on this Compare Tool, nor suitability of the information contained herein to your particular circumstances. Smooth-On assumes no liability for losses or damages of whatever nature (direct, indirect, consequential or other) associated with your use, or inability to use, the Compare Tool, or from your use (or failure to use) the information contained herein. Other useful tools include product technical bulletins and our extensive FAQ section. You can also contact our technical support team.

All Technical Data

EpoxAcast™ 655 + 103 HardenerFOAM-iT!™ 10 SLOW
Product Type
  • Epoxy Casting and Laminating Resins
  • Urethane Expanding Foams
Mixed Viscosity23,000 cps400 cps
Mix Ratio By Volume1A:1B
Mix Ratio By Weight100A:12B100A:87B
Pot Life3.5 hours3.5 minutes
Tack Free Time1 hour
Cure Time24 hours4 hours
Shore D Hardness90
Expansion (approximate)6 times
Foam Density10 lb/ft³
Specific Gravity1.66 g/cc0.16 g/cc
Specific Volume16.7 cu. in./lb.157 cu. in./lb.
ColorGreyBeige
Tensile Modulus2,040,000 psi
Ultimate Tensile4,810 psi
Tensile Elongation0.54 %
Compressive Strength12,500 psi
Compressive Modulus125,500 psi
Flexural Strength7,660 psi
Flexural Modulus1,403,000 psi
Shrinkage0.0006 in. / in.
Heat Deflection Temp135 °F
Thermal Conductivity0.675 W/M*K

Product Description

EpoxAcast™ 655 + 103 Hardener

EpoxAcast™ 655 (formerly Metalset™ A-30) is a versatile aluminum filled castable epoxy resin that is very hard and strong. It is dimensionally stable, even when mass cast up to 512 in³ / 8,390 cm³.

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FOAM-iT!™ 10 SLOW

Smooth-On’s FOAM-iT!™ Series are two-component water blown rigid foams that are versatile and easy to use. FOAM-iT!™ products are available in 3lb., 4 lb., 5 lb., 8 lb., 10 lb.,15 lb. or 26 lb. per cubic foot densities. Parts A and B are measured and mixed in equal amounts by volume. The mixture is then poured into a mold or other form (apply release agent if necessary). The mixture will expand many times original volume (depending on which FOAM-iT!™ product you are using) and develop a uniform cell structure. FOAM-iT!™ 10 SLOW is a 10 lb. density foam with a long, 3.5 minute working time, taking 1 hour to reach handling strength and 4 hours to cure. FOAM-iT!™ 10 SLOW is designed for large-pour industrial, art-related and special effects applications.

FOAM-iT!™ products can be used as a straight casting material, backfill material for hollow castings (adds structural strength) or as an encapsulation material, etc. They can be color pigmented with SO-Strong™, UVO™ or IGNITE™ colorants and are used for a variety of art/ craft, industrial design and special effects applications.

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