Vinyl Wash Primer Formulation

A vinyl butyral basic zinc chromate primer intended for pretreatment for metals such as aluminum galvanized or stainless steel.

Vinyl wash primer formulation.

Typical properties additional information appearance clear gel viscosity at 25 c spindle 6 speed 20 cps 40 000 ph 6 0 7 0 sensory attributes silky and elegant feel after dry please note that this formulation has passed 3 months stability at 45 c. A wash primer or self etching primer uses a metal conditioner to neutralize surface oxides and hydroxides as well as etch the galvanized surface to provide a surface suitable for painting. A conversion coating is a slightly acidic aqueous solution water based of chemicals. The acid etches the metal surface and provides for good adhesion.

The wash primer is applied using a paint spray gun and the film thickness is usually 0 3 0 5 mils. Iron or zinc phosphates are the most common chemicals in the formulation although other. Compatible with a wide range of solvent based topcoats. Vinyl wash primer description.

Jowat wash primer solvent based. Us europe 2k wash primer based on butvar b 90 using halox szp 391 jm halox 550 mowital 30 hh. Us europe chromate free 2k epoxy phenolic etch primer using halox szp 391 jm halox 550. A two component pre treatment bonding primer which will assure adhesion to almost any non ferrous surface aluminum copper brass magnesium and ceramic tile ferrous metals and zinc coated steel.

Wash primers are available as classic solvent based formulations as well as so called voc reduced primers. Vinyl wash primer develops strong adhesive bonds with such difficult substrates as aluminum galvanized steel and stainless steel. Part a contains an alcohol solution of polyvinyl butyral resin pigmented with zinc chromate while part b is the. Traditionally wash primers come as a two pack product and are mixed just prior to use.