SikaBiresin® UR730

(formerly SikaBiresin® 703)

  • Various hardness:
    With SikaBiresin® UR730 Shore hardness A 30
    With SikaBiresin® UR745 Shore hardness A 45
  • Low shrinkage after hardening
  • High elongation at break
  • Low moisture sensitivity
  • Good chemical resistance
  • Very long pot life

  • Low shrinkage even in large volumes
  • High elongation at break
  • Adjustable Shore hardness from 30 to 50 A
  • Low moisture sensitivity
  • Good chemical resistance
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Areas of Application

  • Polyurethane casting elastomer designed to produce molds by hand casting
  • Hardness is slightly adjustable by modification of mix ratio

Advantages

  • Low shrinkage even in large volumes
  • High elongation at break
  • Adjustable Shore hardness from 30 to 50 A
  • Low moisture sensitivity
  • Good chemical resistance