Amercoat 68HS
organic zinc rich primer.
Composition
Epoxy resin heavily pigmented with zinc dust pigment, polyamide cured.
Approvals
Complies with SSPC Paint specification No. 20, Type II AISC – specification for structural joints using ASTM A325 or A490 Bolts RCSC specification for structural joints table 3 class B. Slip coefficient 0.59.
Uses and Properties
AMERCOAT 68HS is an organic zinc rich primer with excellent adhesion to prepared steel. The high zinc content of the dry film offers cathodic protection. The epoxy resin confers moisture and abrasion resistance and ability to retain many heavy-duty topcoats. AMERCOAT 68HS primes steel in the field or is used in the yard as an excellent primer for multi-coat systems. May be left for extended time without topcoating in non-acidic conditions. AMERCOAT 68HS may be topcoated with a wide variety of coatings, including epoxy, iso-free, polyurethane and PSX 700 engineered polysiloxane.
Typical Applications
Steel industry – Paper industry – Shipping industry – Oil industry – Chemical industry – Mining industry – Rolling stock – Food and beverage Industry – Marine and industrial environment – Repair to galvanizing.
Technical Specifications:
- Finish – Matt.
- Colour – Metallic Grey.
- Weathering – Excellent.
- Chemical Resistance – Good. Consult PPG Protective and Marine Coatings for specific information. Not resistant to
acids or alkalis. - Immersion – Not recommended.
- Abrasion Resistance – Good
- Temperature Range – Up to 200ºC (dry heat)
- Topcoating – May be top coated with AMERCOAT 385, AMERCOAT 370, AMERLOCK 400 / 2K,
AMERSHIELD and PSX 700. AMERCOAT 68HS may be used to repair itself, inorganic zinc
primers or galvanising. - Shelf Life – 12 months from date of shipment if stored indoors between 4 to 38°C for both the Base and
Hardener.