Smooth-CastŪ 45D/60D/61D/65D/66D Product Information | Smooth-On
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Smooth-CastŪ Semi-Rigid Urethane Casting Resins
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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 45D, 60D and 61D are 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® color tints or Ignite® color pigments.

Smooth-Cast® 65D has a unique gradual cure profile that makes it ideal for rotational casting applications.
  • Smooth-Cast® 45D - 30 minute demold time
  • Smooth-Cast® 60D - 30 minute demold time
  • Smooth-Cast® 61D - 60 minute demold time
  • Smooth-Cast® 65D - 15 minute demold time
  • Smooth-Cast® 66D - 60 minute demold time

Product Name: A:B Mix RatioColorComp. StrengthDemold TimeMixed ViscosityPot LifeTensile StrengthUltimate Shore HardnessWeight: CU.IN./LBHow much
do I need?
Smooth-CastŪ 45D1:1 by volumeTranslucent Whiten/a30 min.250 cps5 min.1560 psi45D25.6
Smooth-CastŪ 60D1:1 by volumeTranslucent Whiten/a30 min.430 cps5 min.2420 psi60D26.4
Smooth-CastŪ 61D1:1 by volumeTranslucent Whiten/a60 min.430 cps7 min.2420 psi61D25.6
Smooth-CastŪ 65D1:1 by volumeWhiten/a10-15 min.120 cps2.5 min.2400 psi65D26.4
Smooth-CastŪ 66D1:1 by volumeGreyn/a60 min.120 cps7 min.2400 psi66D26.4

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