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Smooth-Cast™ 60D

Rebound™ 25 vs. Smooth-Cast™ 60D

Semi-Rigid Urethane Casting Resins

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Rebound™ 25

Rebound™ 25 vs. Smooth-Cast™ 60DSmooth-Cast™ 60D

Self Thickening Brush-On Silicone

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Key Differences

Product Type
  • Urethane Resins
  • Silicone Rubber - Platinum Cure
Mixed Viscosity430 cpsBrushable
Pot Life5 minutes20 minutes
Cure Time30 minutes6 hours
Shore D Hardness60
Shore A Hardness25
ColorTranslucent WhiteOrange
Tensile Strength2,420 psi515 psi
Elongation @ Break100 %690 %
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

Smooth-Cast™ 60DRebound™ 25
Product Type
  • Urethane Resins
  • Silicone Rubber - Platinum Cure
Mixed Viscosity430 cpsBrushable
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight100A:93B1A:1B
Pot Life5 minutes20 minutes
Cure Time30 minutes6 hours
Shore D Hardness60
Shore A Hardness25
Specific Gravity1.05 g/cc1.14 g/cc
Specific Volume26.4 cu. in./lb.23.5 cu. in./lb.
ColorTranslucent WhiteOrange
Die B Tear Strength102 pli
Tensile Strength2,420 psi515 psi
Elongation @ Break100 %690 %
Shrinkage0.012 in. / in.<.001 in. / in.

Product Description

Smooth-Cast™ 60D

The Smooth-Cast™ Semi-Rigid line of low-cost semi-rigid urethane casting resins cure quickly to semi-rigid plastics that offer exceptional strength and impact resistance.

New Formulations – New Look!
Smooth-Cast™ 60D
is newly reformulated with a translucent white appearance and improved physical properties. All Smooth-Cast semi rigids are now mercury free and phthalate free. These plastics are easy-to-use (mix ratio is 1A:1B by volume) and have low viscosities for minimal bubble entrapment. Vibrant colors are possible by adding SO-Strong™, UVO™ or Ignite™ color pigments.

These semi-rigid plastics are good for making impact resistant prototypes, models, toys, props, climbing holds, etc. 

Click here for more Smooth-Cast™ resin products.

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Rebound™ 25

Rebound™ 25 is an easy-to-use platinum-cure silicone rubber which self-thickens for making brush-on molds of almost any model. Mixed 1A:1B by volume (no scale necessary), Rebound™ rubber can be applied with a brush or spatula to vertical surfaces without sagging and will cure with negligible shrinkage to a flexible rubber.

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