Kev's Powder Coating
& Sandblasting
Kev's Powder Coating
& Sandblasting
Kev's Powder Coating
& Sandblasting

Application Guide



Surface Preparation



Surfaces should be prepared according to AS1627.6-2003 Section 3 to achieve a conversion coating corresponding to
Class 1. Chemical supplier recommendations should also be adhered to, as appropriate. Suitable pre-treatment includes:
Aluminium

Ferrous metals


Zinc Coated Steels
(eg. Galvanising)

Stainless Steel
Chrome chromate or green chromate/phosphate

Abrasive blast(SA 2.5)/Zincshield™ powder primer,
Or Zinc phosphate or Iron phosphate

Zinc Phosphate or chromate


Suitable metal blast. Recommended maximum blast
profile of 25mμ
(refer AS1627.6-2003)

(refer Zincshield™ Data Sheet)


(refer BS6497)


(refer BS6497)


Application Procedure and Equipment



1a) For fluidised bed, ensure uniform fluidisation of powder. Fluidised powder should resemble "simmering liquid". Aged or compacted powder may require pre-conditioning for several minutes to fluidise evenly.

1b) For box feeders, ensure probe is fully inserted in powder and operated as per manufacturer's recommendations. Box feeders are not suitable for the application of pearlescent and metallic finishes

2. Apply by electrostatic spray.

3. Cure as per recommendations outlined above. Metal temperatures in excess of 2100C should be avoided due to the possibility of colour change or thermal degradation of the polymer.

4. Test for cure of the coating by contact with a drop of Corsol PGMA (available from Dulux Powder Coatings) for 30 seconds. Surface should be wiped dry and immediately checked for softening. Only slight surface softening should occur.

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Kev's Powder Coating
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