Crystal Clear® 220

Category: PUR, Unspecified , Polyurethane
Manufacturer: Smooth-On, Inc
Trademark: Crystal Clear®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: 9HKg9D_Crystal-Clear-220.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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Message
Crystal Clear® 220 & 221 are water white clear resins made specifically for applications that require absolute clarity. These are"heat cure" systems and are harder versions of our popular Crystal Clear® Series resins (Shore 85D). Cured castings are UV Resistant (resists yellowing due to ultra-violet light exposure) and are not brittle. Vibrant colors and color effects are achieved by adding pigment dispersions. Applications include encapsulation, making prototype models, lenses, sculpture reproductions, decorative cast pieces, jewelry, special effects and props.
General Information
Features
  • Good Color Stability
  • Good Colorability
  • Good UV Resistance
  • High Clarity
  • High Hardness
Uses
  • Decorative Parts
  • Jewelry
  • Lenses
  • Modeling Material
Appearance
  • Clear/Transparent
Processing Method
  • Casting
  • Encapsulating
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.07g/cm³ASTM D1475
Specific Volume 0.936cm³/gASTM D1475
ThermosetNominal ValueUnitTest Method
Demold Time Overnight Followed By Post-Cure
Additional InformationNominal ValueUnitTest Method
Casting Thickness < 7.62cm
Mixing Ratio 100A:75B by weight
PhysicalNominal ValueUnitTest Method
Molding Shrinkage - Flow 1.7%ASTM D2566
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore D)85ASTM D2240
MechanicalNominal ValueUnitTest Method
Tensile Modulus 197MPaASTM D638
Tensile Strength (Break)56.5MPaASTM D638
Tensile Elongation (Break)12%ASTM D638
Flexural Modulus 2100MPaASTM D790
Flexural Strength 78.6MPaASTM D790
Compressive Modulus 600MPaASTM D695
Compressive Strength 69.6MPaASTM D695
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load (1.8 MPa, Unannealed)80.0°CASTM D648
ThermosetNominal ValueUnitTest Method
Pot Life 22min
Thermoset Mix Viscosity 675cPASTM D2393
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