2K-Derocryl Lack OD

Two component topcoat on acrylic resin basis, chemical cured with poly-isocyanate (polyurethane).

General information
2K-Derocryl Lack OD

Field of application

  • Protection against corrosion for iron and steel and zinced surfaces.
  • Topcoat for high rust protection requirements, if required applicable as an one-coat paint system.
  • For aplication by roller use 2% roller-additive.

Product properties

  • Resistance to light acids
  • Resistance to chemicals (on request)
  • Resistance to mineral oils
  • High UV-stability
  • Good gloss stability
  • Good elasticity
  • Recoatable with itself

Technical Specification
2K-Derocryl Lack OD

Colours RAL 5010, RAL-colour chart with exceptions, RAL 9006/9007 special adjustment.
Flash point >23 °C
Temperature stability -20 up to 120 °C
Gloss Glossy, appr. 70 U in 60° angle, Exception: RAL9006/9007
Potential dry film thickness in one working process 80 up to 100 µm
Mixing ratio Hardener HL 401
(Basis:hardener) by weight 10:1
(Basis:hardener) by volume 10:1
Pot life in hours 5
Viscosity Appr. 30 sec running time (DIN 6 mm pot)
Density in kg/l 1,02
Solid content in % 48
Solid volume in % 39
Theoretical spreading capacity
  • 4,88 m²/l at 80 µm DFT
  • 4,78 m²/kg at 80 µm DFT
Recommended film thickness 200 µm WFT corresponds to 80 µm DFT
Drying (DIN EN ISO 1517) 80 µm DFT
Dust-dry (Tg1) After 60 min
Touch-dry (Tg4) After 3 h
Dry (Tg6) After 20 h
Cured chemically After 7 days
Interval for overcoating
  • after 8 h with itself

Note

  • The specifications are related to the prepared mixture and are based on standard atmospheric conditions 23/50, DIN 50014.
  • Lower temperatures and/or higher humidity will prolong drying and hardening.
  • Application below +5 °C is not possible.

Safety information
2K-Derocryl Lack OD

(See Security Data Sheet)

VOC-level Appr. 530 g/l
Solvent content Appr. 52 % by weight
Aromatic content Appr. 45 % by weight

Storage
2K-Derocryl Lack OD

Storage

  • In dry, cool rooms, if possible frost-proof
  • Ensure good ventilation

Shelf life

  • 6 month from date of delivery when in unopened original containers in cool and dry conditions

Application methods
2K-Derocryl Lack OD

Mixing ratio

  • Stirr homogeneous, preferably with mechanical stirrer
  • Mix base paint and hardener according to the mixing ratio as specified

Airless spraying

  • Flow pressure 180 bar
  • Nozzle size 0,011 - 0,014 inch (0,28 - 0,36 mm)
  • Spraying angle according to the geometry and size of the object to be laquered
  • Do not exceed wetfilm thickness of 250 µm (blistering)

Compressed air spraying

  • Spraying pressure 4 - 6 bar
  • Nozzle size 1,5 - 1,8 mm
  • Adjust to spraying viscosity (appr. 60 s DIN 4 mm) adding appr. 8 % Derocryl-Verdünnung (two component products: after mixing)

Electrostatic application

  • Application is possible, provided that the material is set to the appropriate conductance for the system concerned

Dipping

  • Can not be applied as delivered

Other methods

  • Roller and brush application is not possible
  • Require rolling and brush quality

Thinner

  • Max. 10% Derocryl-Verdünnung

Cleaning

  • Rinse immediately with Derocryl-Verdünnung

Preparation of support

  • Shot blasting to a purity according to SA 2½
  • If necessary clean with high pressure-cleaner and turbo-cleaner-solution
  • Sweeping for zinced supports
  • Mill scale, welding residues, dust, soluble residues from chemical pretreatments and zinc reaction products which might reduce adhesion have to be carefully and thoroughly removed

General remarks

  • During coating and drying the humidity should be min. 30 % / max. 85 %
  • During coating and drying the environmental temperature should be min. 5°C / max. 30°C
  • Object temperature at least 3° C above dew point.

Example for a system

  • Primer coat: 2K-Derocryl Haftgrund EE
  • Finish coat: 2K-Derocryl Lack OD

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The general information and descriptions contained in this specification are provided to the best of our knowledge. Our information and specifications do not constitute warranted characteristics in the legal sense. Any advice for preparation and application which may be provided verbally, in writing or by means of experiments is of general nature only, and any property rights of third parties are also to be regarded in this context. Our general instructions do not release you from your obligation to check the suitability of the products supplied by our company for the intended methods and purposes of application. Particular in those cases when our supplied material will be applied with products from other sources. The products are prepared, applied and used outside of our sphere of control and thus fall solely within the user´s scope of responsibility.
Our general terms of sale and delivery apply as agreed.

Quick access to product information.

Dr. Demuth Derisol Lackfarben GmbH & Co. KG

Hillerser Straße 8, 37154 Northeim
Telefon +49 5551 / 97940
Telefax +49 5551 / 979430

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