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Product Information
Technical Datasheet
Safety Datasheet

Description:

PPG Sigma Etch Amercoat 59TW, T Wash or also known as Mordant Solution, is a phosphoric acid based etch solution for treating new un-weathered galvanised surfaces prior to painting.

Suitable for use for pre-treatment of new galvanised steel where blasting or abrasion is not possible. Highways Item No. 155.

Features & Benefits:

  • PPG Sigma Etch Amercoat 59TW, T Wash or also known as Mordant Solution
  • May be over-coated with a wide range of protective coating systems
  • May be used to give adhesion of high temperature coatings to new galvanised steel
  • Changes colour on application from blue to black to indicate the effectiveness of primary pre-treatment
  • Not recommended for immersed conditions