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EP-773 Khimtek — chemical-resistant epoxy enamel for hot alkalis
Khimtek

EP-773 Khimtek — chemical-resistant epoxy enamel for hot alkalis

Epoxy enamels and coatings

Metal surfaces exposed to hot alkalis are protected by EP-773 Khimtek enamel, produced to GOST 23143-83 on E-41 epoxy resin. In a 40 % potassium hydroxide solution at 100 °C the coating withstands at least 2 h (cream enamel) and at least 8 h (green). The enamel is applied by spraying, in hard-to-reach places by brush, over primed or unprimed metal; the pot life after adding the hardener is 24 h.

Specifications

ManufacturerKhimtek — OOO PO “Khimtek”, Yaroslavl
Typeepoxy enamels and coatings
Usechemical plants, steel structures
BasePigments and fillers in a solution of E-41 epoxy resin in organic solvents + hardener No. 1 or DETA
Colourcream, green
Application methodspraying; brush in hard-to-reach places; thinner 646
Dryingstanding time at least 1 h after adding the hardener; pot life 24 h; to degree 5 — no more than 24 h at (20±2) °C, no more than 2 h at (120±2) °C
Key propertiesHardener per 100 parts of base: 3.5 parts of No. 1 or 1.2 parts of DETA, Non-volatile matter of the base by weight: 60–66 %, Adhesion: max. 1 point, Resistance to 40 % potassium hydroxide solution at (100±2) °C: cream — at least 2 h, green — at least 8 h
Compatible materialsover primed or unprimed metal
Shelf life6 months from the date of manufacture
StandardsGOST 23143-83

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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