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RC 783: WATER CLEAR RIGID 82 SHORE D URETHANE CASTING SYSTEM

PRODUCT HIGHLIGHTS:

  • IExceptional clarity
  • Good exterior weatherability, non-yellowing, light stable product
  • Impact resistant
  • No odor
  • Improved viscosity for easier pouring
  • UV light and oxidation resistant
  • Water resistant

PRODUCT DESCRIPTION:

RC 783 is an impact resistant rigid 82 shore D material that is completely used to make clear or tinted castings of all kinds. When used
at room temperature, castings 1/8″ thick or larger can be readily cast. Castings that are less than 1/8″ thick generally require a mild post-cure.

TYPICAL PRODUCT USES:

  • Prototype computer types
  • Models of all kinds
  • Artwork components
  • Architectural models
  • Transportation cases
  • Miniatures and movie props
  • Good for outdoor and wet applications

PHYSICAL PROPERTIES

Hardness, Shore D, ASTM D 2240 82
Specific Gravity, (gm/cc) curedcu. in. per pound 1.0526.4
Color Water clear/slight color
Tensile Strength, (psi) at yield ASTM D-638 6650
Tensile Modulus, (psi) 2.6X105
Elongation, (%) at yield 5
Elongation, (%) at break 65
Shrinkage, (in./in) ASTM D-2566 [postcure @ 1750 F (790 C), 15 hrs] 0.005
Shrinkage, (in./in) ASTM D-2566 (ambient cure) 0.004
Izod Impact, (ft.-lb./in) ASTM D-256 1.0
Compressive Strength, (psi) ASTM D-695 8350
Compressive Modulus, (psi) 3.5X105
Heat Deflection Temperature, (66psi) ASTM D-648 1580 F(680 C)
Coefficient of Thermal Expansion, -40 to 2660 F(-200 to 1300 C) 9X10-5
Refractive Index, ASTM D-542 1.36