Crystal ClearŽ Optically Clear Casting Resin from Smooth-On, Inc
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Crystal ClearŽ Series - Optically Clear Liquid Plastic
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Crystal Clear® Series resins are water white clear and made specifically for applications that require absolute clarity. These rigid urethane casting resins differ only in working and demold times.Low viscosity ensures easy mixing and pouring. Crystal Clear® products cure at room temperature with negligible shrinkage. Cured castings are UV Resistant and are not brittle. Vibrant colors and color effects are achieved by adding SO-Strong® color tints. Applications include encapsulation, making prototype models, lenses, sculpture reproductions, decorative cast pieces, jewelry, prototype models, special effects and props. Heat curing is essential to realize full physical properties. Read the Technical Bulletin for full details.

CAUTION: NOT FOR HOME USE. THIS PRODUCT IS FOR INDUSTRIAL USE ONLY - Proper ventilation, a NIOSH Approved Respirator and Protective Clothing are required to minimize the risk of inhalation and dermal sensitization. If breathing is affected or a dermal rash develops, immediately cease using this product and seek medical attention. Read MSDS before using.

  • Crystal Clear® 202 - 90 min. cure time - for 1/16" - ½" thick castings
  • Crystal Clear® 200 - 16 hour cure time - for ½" - 3" thick castings
  • Crystal Clear® 204 - 48 hour cure time - for 3" - 6" thick castings
  • Crystal Clear® 206 - 5 day cure time - greater than 6" thick

  • Crystal Clear® 220 - MUST BE HEAT CURED - Click here to read CC220 Tech. Bulletin

Product Name: A:B Mix RatioColorComp. StrengthDemold TimeMixed ViscosityPot LifeTensile StrengthUltimate Shore HardnessWeight: CU.IN./LBHow much
do I need?
Crystal ClearŽ 200100A:90B by weightClear40000 psi16 hours600 cps20 min.2500 psi80 D26.7
Crystal ClearŽ 202100A:90B by weightClear40000 psi90 min.600 cps9 min.2500 psi80 D26.7
Crystal ClearŽ 204100A:90B by weightClear40000 psi48 hours600 cps120 min.2500 psi80 D26.7
Crystal ClearŽ 206100A:90B by weightClear40000 psi7 days600 cps4.5 hours2500 psi80 D26.7
Crystal ClearŽ 220100A:75B by weightClear90800 psi4 hours @ 212F / 100C675 cps22 min.8190 psi85 D25.9

Technical Information - You Will Need Adobe Reader To View These Files
Additional Documents: UV ASTM Certification

Step By Step Video Sequences

Resin Casting Tutorial - How To Reduce Bubbles In Your Casting By Vacuum Degassing Resin

How To Eliminate Bubbles In Resin Castings By Pressure Casting

Crystal Clear Resin - Casting a Clear Conch Shell

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