SikaBiresin® PX840

(formerly UPX 8400-1)

  • Polyurethane vacuum casting resin for technical parts and prototypes
  • Variable hardness from 30 to 95 A Shore
  • 3 components to cover a large shore A range
  • Low viscosity
  • Easy to pigment
  • Fully compatible with ESSIL 291 silicone molds

  • 3-components for variable hardness
  • Low silicone molds agressivity
  • Can be easily pigmented with CP Colors, dedicated especially for pigmenting of Sika vacuum casting resins