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PPG Sigma Etch (T Wash)

PPG Sigma Etch (T Wash)

Brand: PPG

This product has been discontinued; for an alternative product please look at;Guard T Wash Description Phosphoric acid-based etch solution for treating new, un-weathered galvanized surfaces prior to painting Principal Characteristics For pre-treatment of new galvanized steel where blasting or abrasion read more

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  • DESCRIPTION
  • Datasheet

DESCRIPTION

This product has been discontinued; for an alternative product please look at;
Guard T Wash

Description


Phosphoric acid-based etch solution for treating new, un-weathered galvanized surfaces prior to painting

Principal Characteristics



    • For pre-treatment of new galvanized steel where blasting or abrasion is not possible


    • May be overcoated with a wide range of protective coating systems


    • May be used to give adhesion of high-temperature coatings to new galvanized steel


    • Changes color on application from blue to black to indicate the effectiveness of primary pretreatment


    • Meets the requirements of British Rail's 'T-wash' solution


    • Not recommended for immersed conditions



Colour and Gloss Level



    • Pale blue solution, which turns gray-black on application to clean galvanized surfaces

Datasheet

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Product Reviews

Adam B
Apr 07, 2022
Works well and does what's needed