Solvent-based 2C primer and top coat for interior use

  • 2-component
  • Solvent-borne
  • Clear coat
  • Primer

ALPOLAN MARINE VARNISH 2420 is a solvent-based, moisture-retardant 2C primer and top coat with light stabilisers and excellent filling properties. The product is suitable for isolating wood that is rich in active substances. ALPOLAN MARINE VARNISH 2420 can also be used as a top coat. Cannot be used on wood that has been bleached with peroxide.

ALPOLAN MARINE VARNISH 2420, can be applied by Gravity Feed Gun as well as by Airmix or Airless spraying systems either by hand or in automated spraying facilities. Thanks to its flame-retardant properties according to DIN EN 13501-1 and the resulting certification according to IMO MSC.307(88)-(FTP-Code 2010) as well as the EC type examination certificate (module B), ALPOLAN MARINE VARNISH 2420 can also be used for high-quality wooden surfaces in the extorior and interior of ships. ALPOLAN MARINE VARNISH 2420 is a highly versatile, robust and easy to use (hard)wood primer and top coat. MARINE VARNISH 2420, reduces surface discoloration caused by tannins in hardwood.

When used as a flame retardant coating for seagoing ships according to SOLAS (International Convention for the Safety of Life at Sea) 74/88 Reg. II-2/3, II-2/5 and II-2/6, latest version, IMO Resolution MSC.36(63)-(1994 HSC Code)7, IMO Resolution MSC.97(73)-(2000 HSC Code)7, this product can only be combined with other approved and technically suitable products. A risk assessment has been carried out according to Directive 2014/90/EU, Annex II, Section 3. The cured and dried coating poses neither a physical nor a health hazard, nor a hazard to the environment. When used in ship interiors, the maximum total product application quantity of 250 g/m2 should never be exceeded.

Surface preparation

Every substrate must be well-cleaned, dry and free from grease and oil. Coating removal: Sand, strip


Stir or shake the product well for several minutes before use, if necessary by machine.

Application conditions

Recommended temperature for surroundings and product: +15°C-25°C. Do not apply below +10°C.



Storage temperature is +5°C - +30°C.

Weight solids abt. 45 % by weight
Volatile organic compound (VOC) abt. 545 g/l
Pot life 9 h (+23 °C)
Mixing ratio 2:1 by volume (comp. A : comp. B)
Hardener Comp. B: ALPOLAN UNIVERSALGRUND 2430-99
Theoretical spreading rate 120 g/m²; 8.3 m²/kg
Density abt. 0.97 g/ml
Drying time – dust free after 20 minutes
Drying time – touch dry after 2 hours
Drying time – through-dry after 24 hours
Drying time - overcoatable after 16 hours
Thinner VERDÜNNER 1300-98, VERDÜNNER 0950-98, VERDÜNNER 5600-98.
Clean up Wash the equipment immediately after use.
Colours Colourless.
Safety markings See safety data sheet.
Approvals & certificates IMO FTPC Part 2,IMO FTPC Part 5,Marine Equipment Approval (Module B)
Gloss value 80