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PPG Polyetch Base Primer Kit - Yellow | 1 Litre

PPG Polyetch Base Primer Kit - Yellow | 1 Litre

Price: 7175 +GST

About the product

719 Polyetch is a top of the range, two-pack, anticorrosive self-etching primer. It is based on vinyl / butyral / phenolic resins and zinc tetroxy-chromate pigment. The catalyst contains phosphoric acid.

Uses:
Gives excellent adhesion to galvanised steel and nonferrous metals. Gives extra protection to ferrous metals when used as the first primer coat.

Spray apply 70-100 microns Wet Film Thickness to achieve 7-10 microns Dry Film Thickness.

Must be overcoated the same day - no sanding.

Allow >1 hour before overcoating with epoxies, >20 minutes for other coatings.

Must use intermediate primer when overcoating with single pack topcoats and 978:

  • 238: 295/600/610
  • 632: 262
  • CC22: 978
  • 2K Polyurethanes may overcoat direct onto 719, or use intermediate primer.
  • 178: 279,579

Surface Preparation:
Steel - Remove rust by blasting to SA2.5, or by using power tools or sanding. Degrease.

Aluminium - Degrease. Scour with Scotchbrite. Degrease again.

Galvanised steel - Clean and degrease. Use a proprietary acid wash if the surface has been chromate treated.

Thinning and Cleaning:
Not required, but 654 Etch Thinner may be used.

Clean gun and equipment with 654 Etch Thinner.

Application:
Spray - conventional
Brush - small areas only

MIXING RATIO: Mix 1L 719A Polyetch Base with 1L 719B Catalyst.

Drying:
Air dry in 15-20 minutes.

Recommend overcoating the same day. Allow at least 1 hour drying before overcoating with epoxies.

Do not stove.


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