HEMPEL’S SHOPPRIMER ZS 15890 is a two-component, solvent-borne zinc ethyl silicate shopprimer, designed for automatic spray application. Especially suited, where welding (MIG/MAG) and gas-cutting properties are of importance.

Recommended use:

For short to medium-term protection of abrasive blast cleaned steel plates and other structural steel during the storage, fabrication, and construction periods.

PHYSICAL CONSTANTS:

Shade nos/Colours: 19890* / Reddish grey
Finish: Flat
Volume solids, %: 28 ± 1
Theoretical spreading rate: 18.7 m2/l [749.9 sq.ft./US gallon] to 15 micron/0.6 mils
VOC content: 620 g/l [5.2 lbs/US gallon] (According to EPA Fed Ref Method 24)

Dry to handle: 4 - 5 minute(s) 20°C/68°F
Fully cured: 72 approx. hour(s) 20°C/68°F (75% RH)
Specific gravity: 1.3 kg/litre [11.1 lbs/US gallon]
Flash point: 22 °C [71.6 °F]
Shelf life: 1 year (25°C/77°F) from time of production.
                Shelf life is dependent on storage temperature. Shelf life is reduced at storage temperatures above 25°C/77°F. Do not store above 40°C/104°F or below 5°C/40°F.
                Shelf life is exceeded if the liquid is gelled or if the mixed product forms gels before application.
                           

APPLICATION DETAILS:

Version, mixed product: 15890
Mixing ratio: BASE 15899: HEMPEL'S LIQUID 99751

                    2 : 3 by volume
Application method: Airless spray / Air spray / Brush (touch up)

Thinner (max.vol.): 08570 or 08700 (30%) / 08700 (30%) / 08570 or 08700 (15%)
                               According to separate APPLICATION INSTRUCTIONS
Pot life: 24 hour(s) 20°C/68°F (Closed container, constant stirring)
Nozzle orifice: 0.019 to 0.023 "
Nozzle pressure: 80 bar [1160 psi]
                           (Airless spray data are indicative and subject to adjustment)
Indicated film thickness, dry: 15 micron [0.6 mils]
Indicated film thickness, wet: Not relevant
Overcoat interval, min: According to separate APPLICATION INSTRUCTIONS
Overcoat interval, max: According to separate APPLICATION INSTRUCTIONS
Cleaning of tools: HEMPEL'S THINNER 08700 or 08570.