Sigma Etch (T Wash)
Sigma Etch (T Wash)
Brand: PPG
Phosphoric acid based etch solution for treating new unweathered galvanised surfaces prior to painting.
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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
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- For pre-treatment of new galvanized steel where blasting or abrasion is not possible
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- May be overcoated with a wide range of protective coating systems
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- May be used to give adhesion of high-temperature coatings to new galvanized steel
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- Changes color on application from blue to black to indicate the effectiveness of primary pretreatment
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- Meets the requirements of British Rail's 'T-wash' solution
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- Not recommended for immersed conditions
Colour and Gloss Level
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- Pale blue solution, which turns gray-black on application to clean galvanized surfaces
Related Products
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PPG Amercoat 385 (SigmaCover 385)
This product is now discontinued, a potential alternative coating would be; Sigmacover 456 Two component, high-build, multipurpose, polyamide cured epoxy coating for steel, concrete and non-ferrous metals -
PPG Sigma EP 110 Primer
This product has been discontinued, for a suitable alternative please call us for details. Two component zinc phosphate epoxy blast primer/sealer -
PPG Sigma EP 111 Primer
Two component high solids polyamide cured recoatable zinc phosphate epoxy primer. -
PPG Sigma EP 112 Miocoat
This product has been discontinued - for an alternative please call us to discuss. Two component high solids MIO pigmented polyamide cured recoatable epoxy coating.
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