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Compat™ 45

SMASH! Plastic™ vs. Compat™ 45SMASH! Plastic™

Non-Inhibiting Urethane Rubber

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Key Differences

Product Type
  • Urethane Resins
  • Urethane Rubber
Mixed Viscosity900 cps2,600 cps
Pot Life5 minutes25 minutes
Shore D Hardness80
Shore A Hardness45
ColorClearBrown
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

SMASH! Plastic™Compat™ 45
Product Type
  • Urethane Resins
  • Urethane Rubber
Mixed Viscosity900 cps2,600 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight85A:100B
Pot Life5 minutes25 minutes
Handling Time90 minutes
Cure Time16 hours16 hours
Shore D Hardness80
Shore A Hardness45
Specific Gravity1.036 g/cc1.12 g/cc
Specific Volume26.7 cu. in./lb.24.7 cu. in./lb.
ColorClearBrown
Die C Tear Strength101 pli
Tensile Strength629 psi
Elongation @ Break772 %
100% Modulus137 psi
Shrinkage0.0001 in. / in.<0.001 in. / in.

Product Description

SMASH! Plastic™

SMASH! Plastic™ is a new urethane liquid plastic designed to shatter/crumble on impact ("breakaway glass"). SMASH! Plastic™ is water clear and, once fully cured, shatters like glass. It can be cast solid in thin sections to make window panes or rotationally cast to form hollow bottles, jars or other glass-like objects to be used as breakable props for movie and stage productions. Maximum recommended thickness is 1/8" (0.33 cm.).

CAUTION: NOT FOR HOME USE. THIS PRODUCT IS FOR INDUSTRIAL USE ONLY. With adequate local exhaust ventilation, respiratory protection is not normally required when using this product. Where risk assessment shows air-purifying respirators are appropriate, follow OSHA respirator regulations and European Standards EN 141, 143 and 371. Protective clothing (gloves and long sleeves) is required to minimize the risk of dermal sensitization. If breathing is affected or a dermal rash develops, immediately cease using this product and seek medical attention. Read SDS before using.

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Compat™ 45

Compat™ 45 urethane is a unique urethane rubber which will not inhibit the cure of most Smooth-On platinum or tin cure silicone rubbers. It features a low viscosity for easy mixing and pouring and cures with minimal bubble entrapment. Mix ratio is 1A:1B by volume (85A:100B by weight), pot life is 25 minutes and the rubber cures with an ultimate Shore hardness of Shore 45A. Cured rubber is dimensionally stable (low shrinkage), offers good wear resistance and excellent library life. Compat™ 45 can be used for a variety of applications including making molds to cast silicone prop body parts, animatronic skins and medical trainers, as well as for making rubber masters which can be molded using platinum or tin silicone without inhibition concerns.

Important; Do not use Ecoflex™ Gel, Ecoflex™ 00-10, Ecoflex™ Near Clear, Encapso-K, Rubber Glass™, Solaris™, Soma Foama™ or Sorta-Clear™ 12 or 37 with this product. They are not compatible and inhibition will result.

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