Chem-O-Z HS2 Organic Zinc-Rich Primer

For use on steel structures, trucks, trailers, rail cars, bulk tanks, and chemical trailers where maximum corrosion resistance and durability are necessary. Especially suited for coastal and marine exposures above the splash zone over a sandblasted surface. 

Color/Shade code: Gray/5L091 (other colors available) 

Finish: Flat 

Volume solids: 70% ± 1 

Theoretical spreading rate: 449 ft²/US gallon [11.02 m²/liter] – 2.5 mils [63 microns] 

Flash point: 77°F/25°C 

Specific gravity, mixed: 24 lbs/US gallon [2.87 kg/liter] 

Touch dry: 3 hours, 68°F/20°C 

VOC content: 291 g/liter [2.43 lbs/US gallon] 

The physical constants stated are nominal data according to the Hempel Group's approved formulas. 

Product / Mix ratio: Base 171J9 : Curing agent 95041 / 3 : 1 by volume 

Application method: Airless spray / Air spray / Brush 

Thinner (max. vol.): 08320 (0 – 5%) / 08320 (0 – 15%) / Not required 

Pot life: 1.5 hours, 68°F/20°C 

Nozzle orifice: 0.017" – 0.021" airless / 0.110” or 2.8 MM fluid cap air spray 

Nozzle pressure: 2,000 psi [138 bar] (Airless spray data are indicative and subject to adjustment) 

Cleaning of tools: Hempel’s Thinner 08450 or 08320 Medium Reducer 

Indicated film thickness, dry: 2.5 – 3.5 mils [63 – 90 microns] 

Indicated film thickness, wet: 3.6 – 5.0 mils [90 – 128 microns] 

Overcoat interval, min: 4 hours, 68°F/20°C 

Overcoat interval, max: 1 week, 68°F/20°C (see Overcoating on PDS)