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Key Differences
| Product Type |
|
|
| Mixed Viscosity | 500 cps | 1,100 cps |
| Mix Ratio By Volume | 1A:1B | N/A (gram scale required) |
| Pot Life | 1.5 minutes | 4 minutes |
| Cure Time | 2 hours | 48 hours |
| Shore A Hardness | — | 85 |
| Specific Volume | 105 cu. in./lb. | 25.4 cu. in./lb. |
| Color | Beige | Off White |
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
| FOAM-iT!™ 15 | Simpact™ 85A | |
|---|---|---|
| Product Type |
|
|
| Mixed Viscosity | 500 cps | 1,100 cps |
| Mix Ratio By Volume | 1A:1B | — |
| Mix Ratio By Weight | 100A:87B | 85A:100B |
| Pot Life | 1.5 minutes | 4 minutes |
| Tack Free Time | 20 minutes | — |
| Handling Time | — | 2 hours |
| Cure Time | 2 hours | 48 hours |
| Shore A Hardness | — | 85 |
| Expansion (approximate) | 4 times | — |
| Foam Density | 15 lb/ft³ | — |
| Specific Gravity | 0.24 g/cc | 1.09 g/cc |
| Specific Volume | 105 cu. in./lb. | 25.4 cu. in./lb. |
| Color | Beige | Off White |
| Die C Tear Strength | — | 182 pli |
| Tensile Strength | — | 1,573 psi |
| Elongation @ Break | — | 164 % |
| 100% Modulus | — | 1,213 psi |
| Shrinkage | — | <.007 in. / in. |
Product Description
FOAM-iT!™ 15
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!™ 15 is tack-free in about 4 - 6.5 minutes, developing handling strength in 20 minutes and full cure in 2 hours.
All 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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Simpact™ 85A
Simpact™ 85A urethane is a low odor, fast-setting urethane elastomer which offers very high tear strength, impact resistance and wear resistance. Simpact™ urethanes are phthalate free, mercury free and MOCA free. Simpact™ urethanes pour easily. Working time is 4 minutes, handling time is 2 hours and full cure time is 48 hours at room temperature.
Cured rubber has exceptional performance characteristics and dimensional stability. Simpact™ urethanes can be colored with SO-Strong™, UVO™ or Ignite™ colorants. Simpact™ urethanes are suitable for making impact resistant props, prototypes and display pieces.
This material may congeal if exposed to cold temperatures. To reconstitute, Part A & B must be heated to 90°F (33°C) then thoroughly mixed to an even consistency.