7531 is a Chromate Free Etch Primer suitable for use in both land based and aerospace applications. It has been specifically developed for use with the UK Military system Desoprime™ 7521 Chromate Free Primer and Desothane™ 83XX HS PU Topcoats. Excellent adhesion and corrosion resistance
- Excellent corrosion resistance
- Excellent adhesion to aluminium and steel substrates
- Phenolic modified for excellent water resistance
- Used to reactivate aged anodized or chromated surfaces
- Easy to apply in a wide range of environmental conditions
- Lower VOC than conventional Etch and Wash Primers
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