2K-Derocryl Lack EG 697.

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

General information
2K-Derocryl Lack EG 697.

Field of application

  • Systems for corrosion protection according to the German TL/TP-KOR steel construction specification
  • Topcoat for high rust protection requirements
  • Product is certificated to sheet 97 of the German TL/TP- KOR steel construction specifications

Product properties

  • High Solid
  • Resistance to mineral oils
  • Good weather resistance
  • High UV-stability
  • Fast drying
  • Fast curing
  • Recoatable with itself

Technical Specification
2K-Derocryl Lack EG 697.

Colours DB 501 (697.51), DB-colour charts (upon request).
Flash point >23 °C
Temperature stability -20 up to 120 (short-term up to 150) °C
Gloss Mat, appr. 10 U in 85° angle
Potential dry film thickness in one working process Up to 80 µm
Mixing ratio Hardener HL 401
(Basis:hardener) by weight 10:1
(Basis:hardener) by volume 6,5:1
Pot life in hours 2
Viscosity Thixotrope
Density in kg/l 1,5
Solid content in % 74
Solid volume in % 56
Theoretical spreading capacity
  • 7 m²/l at 80 µm DFT
  • 4,67 m²/kg at 80 µm DFT
Recommended film thickness 150 µm WFT corresponds to 80 µm DFT
Drying (DIN EN ISO 1517) 80 µm DFT
Dust-dry (Tg1) After 30 min
Touch-dry (Tg4) After 4 h
Dry (Tg6) After 6 h
Cured chemically After 7 days
Interval for overcoating
  • after 6 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.

Safety information
2K-Derocryl Lack EG 697.

(See Security Data Sheet)

VOC-level Appr. 391 g/l
Solvent content Appr. 26 % by weight
Aromatic content Appr. 13 % by weight

Storage
2K-Derocryl Lack EG 697.

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 EG 697.

Mixing ratio

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

Airless spraying

  • Flow pressure 210 bar
  • Nozzle size 0,013 - 0,017 inch (0,33 - 0,43 mm)
  • Spraying angle according to the geometry and size of the object to be laquered
  • If required (two component: after mixing) using % Derocryl-Verdünnung (687.151) is possible

Compressed air spraying

  • Spraying pressure 2 bar
  • Nozzle size 1,3 - 1,8 mm
  • Adjust to spraying viscosity (appr. 45 s DIN 4 mm) adding appr. 10 % Derocryl-Verdünnung (687.151) (two component products: after mixing)

Electrostatic application

  • Application is possible provided that the material is diluted

Dipping

  • Can not be applied as delivered

Other methods

  • Roller and brush application for repair work is possible

Thinner

  • Max. 5% Derocryl-Verdünnung (687.151)

Cleaning

  • Rinse immediately with Derocryl-Verdünnung (687.151)

Preparation of support

  • Shot blasting to a purity according to SA 2½
  • Mill scale, welding residues, dust and dirt on the surface which might reduce adhesion have to be carefully and thoroughly removed
  • Clean primer of the coating system

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-Deripox ZN 697.03
  • Intermediate coat: 2K-Deripox EG 697.
  • Finish coat: 2K-Derocryl Lack EG 697.

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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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