wash primer

Applying Zinc Chromate-Vinyl Butyral Wash Primer PAINT SPECIFICATION NO. 27 – Basic Zinc Chromate-Vinyl Butyral Wash Primer 1. Scope 1.1 This specification covers a two-component basic zinc chromate-vinyl butyral wash primer for structural steel surfaces prior to painting. 1.2 It is intended that this coating be used primarily on clean
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