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KHIMTRAST PU Primer-Enamel for concrete, wood, metal — gloss, semi-gloss, matt
KHIMTRAST

KHIMTRAST PU Primer-Enamel for concrete, wood, metal — gloss, semi-gloss, matt

Polyurethane floors

A single material serves as both primer and finishing enamel: it is applied to prepared concrete in two or three coats by brush, roller or spray. It is available in gloss, semi-gloss and matt versions in RAL colours. At 20 °C the gloss and semi-gloss coatings withstand 720 h of water, AI-92 petrol and 5 % hydrochloric acid; for harsher chemical conditions the enamel is laid over KHIMTRAST Grunt EP primer.

Specifications

ManufacturerKHIMTRAST — AO “Khimtrast”, Nizhnekamsk
Typepolyurethane floors
Usecar parks and ramps, warehouses and logistics, retail and public, production halls, chemically resistant
Basetwo-component polyurethane primer-enamel: component A — pigments in a hydroxyl-containing acrylic resin, component B — hardener based on aliphatic isocyanate
Colourgloss (gloss at least 70 %), semi-gloss (at least 50 %), matt (not more than 10 %); RAL colour
Packagingcomponent A — metal pail 20.0 kg; component B — metal can 2.8 kg (gloss), 2.4 kg (semi-gloss), 2.0 kg (matt)
Application methodprimer and finishing enamel over concrete (moisture not more than 4 %, after shot blasting/milling/grinding), wood, metal; brush, roller, spray; 2–3 coats; for increased chemical resistance — over “KHIMTRAST Grunt EP” primer
Application temperature+5…+30 °C (air)
Curingdrying to degree 3 — not more than 4 h (gloss), 3 h (semi-gloss/matt); full strength development at least 5 days
Key propertiesresistance (gloss/semi-gloss) at 20 °C: water, 3 % NaCl, AI-92 petrol, 5 % HCl, transformer oil — 720 h; 25 % H2SO4 — 140 h; 30 % KOH — 160/48 h; 3 % lactic acid — 720/160 h; impact strength at least 50 cm; flexibility not more than 1 mm; heat resistance at 140 °C at least 48 h; temperature −50…+60 °C, short-term up to +140 °C
Layer thicknessnot more than 120 µm total dry film (2–3 coats of 30–40 µm)
Consumption0.10–0.15 kg/m² per 30–40 µm coat (laboratory figure; actual consumption may be 5–40 % higher)
Shelf lifecomponent A — 18 months from the date of production; component B — from 6 to 12 months; store at 0…+30 °C
StandardsTU 20.30.12-071-27903090-2020

Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.

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