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SikaBiresin® UR390

(formerly UR 3490)

  • Tough-elastic with Shore D 67
  • Good abrasion and impact resistance
  • Good heat resistance (Tg ~ 100 °C)
  • Low toxicity

  • Good abrasion resistance
  • Good impact resistance
  • Quick hardening
  • Low toxicity
  • Low moisture sensitivity
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Areas of Application

  • Polyurethane surface casting resin designed for foundry tools (patterns, core boxes) on aluminium pre-forms, concrete resin etc.
  • Impact and abrasion resistant parts

Advantages

  • Good abrasion resistance
  • Good impact resistance
  • Quick hardening
  • Low toxicity
  • Low moisture sensitivity