2K-Derocryl finish GL

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

General information
2K-Derocryl finish GL

Field of application

  • Topcoat for rust protection requirements with high quality optics

Product properties

  • High Solid
  • Scratch resistance
  • Good UV-stability
  • Good elasticity
  • Fast drying

Technical Specification
2K-Derocryl finish GL

Colours RAL 5010, RAL-colour chart with exceptions, apart from RAL 9006/9007.
Flash point >23 °C
Temperature stability -20 up to 120 °C
Gloss High glossy, appr. 90 U in 20° angle
Potential dry film thickness in one working process 20 up to 60 µm
Mixing ratio Hardener HL 105 Hardener HL 116
(Basis:hardener) by weight 5:1 4:1
(Basis:hardener) by volume 4:1 3:1
Pot life in hours 3 3
Viscosity Appr. 20 sec running time (DIN 4 mm pot) Appr. 20 sec running time (DIN 4 mm pot)
Density in kg/l 1,204 1,207
Solid content in % 64 67
Solid volume in % 50 54
Theoretical spreading capacity
  • 12,5 m²/l at 40 µm DFT
  • 10,38 m²/kg at 40 µm DFT
  • 13,5 m²/l at 40 µm DFT
  • 11,18 m²/kg at 40 µm DFT
Recommended film thickness 75 µm WFT corresponds to 40 µm DFT 75 µm WFT corresponds to 40 µm DFT
Drying (DIN EN ISO 1517) 40 µm DFT 40 µm DFT
Dust-dry (Tg1) After 45 min After 2 h
Touch-dry (Tg4) After 7 h After 7 h
Dry (Tg6) After 14 h After 14 h
Cured chemically After 7 days After 7 days
Accelerated drying 30 min. at 60°C possible, after 10 min. flash-off time 30 min. at 60°C possible, after 10 min. flash-off time
Interval for overcoating
  • after 3 h with itself
  • Max. after 48 h without slightly sanding
  • after 3 h with itself
  • Max. after 48 h without slightly sanding

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 finish GL

(See Security Data Sheet)

VOC-level Appr. 420 g/l
Solvent content Appr. 36 % by weight Appr. 33 % by weight
Aromatic content Appr. 15 % by weight

Storage
2K-Derocryl finish GL

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 finish GL

Mixing ratio

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

Airless spraying

  • Firstly apply a mist layer with diluted material
  • Flow pressure 150 - 210 bar
  • Nozzle size 0,009 - 0,013 inch (0,23 - 0,33 mm)
  • Spraying angle according to the geometry and size of the object to be laquered
  • If required (two component: after mixing) using 5% Derocryl-Verdünnung is possible
  • Do not exceed wetfilm thickness of 100 µm (blistering)

Compressed air spraying

  • Can be applied as delivered
  • Spraying pressure 2 bar
  • Nozzle size 1,3 - 1,6 mm
  • Adjust to spraying viscosity (appr. 20 s DIN 4 mm) adding appr. 5 % Derocryl-Verdünnung (two component products: after mixing)

Electrostatic application

  • Can be applied as delivered
  • Conductance of the material: 800 kΩ

Dipping

  • Can not be applied as delivered

Other methods

  • Roller and brush application for repair work is possible

Thinner

  • Max. 10% Derocryl-Verdünnung

Cleaning

  • Rinse immediately with Derocryl-Verdünnung

Preparation of support

  • If necessary clean with high pressure-cleaner and turbo-cleaner-solution
  • 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
  • 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-Derocryl Haftgrund HS
  • Finish coat: 2K-Derocryl finish GL

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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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