PPG Refinish Notification
OMNI MH257 High Temperature Hardener

August 22, 2014


Product Information

MH257 is a new hardener designed to improve the application and appearance of MC250 Urethane Clearcoat in high temperature environments. This hardener offers improved wetting and overspray melt-in properties when used in extreme temperature conditions while maintaining high gloss and excellent appearance.

Marketing Information

  • Maintains 4:1 mix ratio
  • Easy to apply at high temperatures (90F and above)
  • Fast drying with excellent gloss and appearance

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