Jotun Penguard HB - Potable (Drinking) Water Tank Coating September 1, 2008
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Jotun Penguard HB
I was recently asked to specify the paint system for a potable water tank. "Potable water" simply means water that is "fit to drink". The substrate was steel and had not been painted. I used to recommend the Amercoat 395 system, but since I was not sure of its availability, I specified Jotun’s Penguard HB system instead.
The paint system requires :
- the bare steel to be blasted to SA 2.5
- 3 coats of Jotun Penguard HB White
- Special washing procedure prior to usage
This paint system does not require a separate primer, as Penguard HB is self-priming. This is great, as wastage is reduced with only one type of paint. Dry film thickness per coat is 100 microns, with the full system totalling 300 microns. Re-coating time and curing time varies with ambient temperature (see Datasheet).
Jotun Penguard HB Datasheet
Jotun Special Washing Instructions
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