Stacor Mastic abraziv

— high solids content
— low material consumption
— excellent corrosion resistance, including in the alternating-wetting zone and the immersion zone
— single-coat application up to 500 µm
— fast drying
— easy application
— made in Uzbekistan

Stacor Mastic abraziv is used as a stand-alone coating to protect metal and concrete surfaces in the alternating-wetting and immersion zones, including buried in the ground per Im3 (ISO 12944), as well as in a complex coating with polyurethane, alkyd, acrylic-urethane or epoxy enamels for the long-term protection of steel structures and other surfaces operated in the atmospheric conditions of rural, urban, industrial and coastal atmospheres C5M in accordance with ISO 12944.

Purpose	Abrasion-resistant coating for steel and concrete in the splash zone and immersion zone, including buried structures (Im3 according to ISO 12944); also in combined systems with polyurethane, alkyd, acrylic-urethane and epoxy topcoats
Type	Two-component high-solids epoxy coating with active anti-corrosion pigments
Colour	Grey; other colours to order
Packaging	Kit 25 kg: component A — 21 kg, component B — 4 kg
Mixing ratio	A : B = 4 : 1 by volume
Density	approx. 1.30 g/cm³
Dry residue by volume	80 ± 3 %
Dry film thickness	500 µm in two coats
Wet film thickness	625 µm in two coats
Theoretical consumption	0.813 kg/m² at a dry film thickness of 500 µm
Corrosivity category	immersion category Im3 and atmospheric exposure up to C5-M according to ISO 12944
Surface preparation	abrasive blast cleaning to Sa 2½ according to ISO 8501-1 (surface preparation according to ISO 12944-4), cleaning grade 2 according to GOST 9.402, roughness Rz 70…100 µm; concrete — clean and sound substrate, residual moisture max. 4 %
Application method	brush, roller, air and airless spray; nozzle 0.016…0.018 in, pressure 12…15 MPa
Thinner	Stacor thinner or equivalent as agreed with the manufacturer
Dilution	generally not required, up to 7 % by weight is permissible
Pot life	approx. 4 hours at +20 °C
Next coat	after 8 hours at +10 °C, 4 hours at +20 °C, 30 minutes at +60 °C
Application temperature	from 0 °C to +40 °C; down to −10 °C with winter hardener, drying time increases
Relative humidity	30…80 % during application
Dew point	substrate temperature at least 3 °C above the dew point
Shelf life	12 months from the date of manufacture in tightly sealed packaging at −40…+40 °C