Polymer Pre-Treatment Technologies from Natech
Polycoat 22 is a water based, dry in place, acrylic polymer suitable for use on all metal types.
Coating thickness varies according to application technique, but is generally in the range of 100 to 200 angstroms. The resultant coating is a mixed oxide layer bound in an inert polymer film. This film prevents any coating defect from adversely affecting corrosion performance.
Polycoat 22 is an excellent choice for pre-treatment lines where a high level of salt spray resistance is required.
This technology typically runs at 0.5% in water, at ambient temperature thus giving excellent economy. It can be used in the final rinse stage of spray or dip lines.
Benefits of Polycoat 22
Polycoat 22 extends the capability of a 3 stage line greatly in terms of salt spray and humidity performance.
Expect to see upwards of 750 hours for steel on B117 neutral salt spray, and over 1500 hours on aluminium.
Polycoat 22 contains no heavy metals and is completely biodegradable.
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