Highly precise resin for investment molding. Burns out with no residue.


Low Shrinkage

High Speed

#4220000 KeyCast (1kg), MSRP: $250
#4200000 KeyCast (0.5kg), MSRP: $144
Additional shipping and handling charges may apply.

KeyCast is compatible with rapid burnout and gradual temperature ramp workflows, with no residual ash.


  • KeyCast is used with chrome, cobalt, gold, and silver
  • Low shrinkage formula controls thermal expansion to yield pore-free and accurate castings
Flexural Strength (MPa)ASTM D79015
Flexural Modulus (MPa)ASTM D790340
Tensile StrengthASTM D6389.1
Young's Modulus (MPa)ASTM D638220
Elongation at Break %ASTM D63816%
CTE 0-150˚C (32-302˚F)ASTM E831168 x 10-6m/(m.˚C)
CTE 150-250˚C (302-482˚F)ASTM E83164 x 10-6m/(m.˚C)
CTE >250˚C (>482˚F)ASTM E831<0m/(m.˚C)
ShrinkageASTM D792<2%

Validated Printers

Keystone Industries has validated KeyCast in workflows using the following printers.