2K-Derocryl Hammerschlag Lack

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

General information
2K-Derocryl Hammerschlag Lack

Field of application

  • Protection against corrosion for iron and steel
  • Decorative topcoat for higher rust protection requirements.
  • UV resistence with hardener HL 401 (mr = 8:1)

Product properties

  • Contents silicon
  • High surface hardness
  • Overcoatability: do not overcoat with itself
  • Applicable as a topcoat on any solvent resistant primers
  • Homogeneous hammer design effect

Technical Specification
2K-Derocryl Hammerschlag Lack

Colours silver-grey, green, blew.
Flash point >23 °C
Temperature stability Up to 120 °C
Gloss Glossy
Mixing ratio Hardener HL 400
(Basis:hardener) by weight 5:1
(Basis:hardener) by volume 5,9:1
Pot life in hours 8
Viscosity Appr. 90 sec running time (DIN 4 mm pot)
Density in kg/l 0,99
Solid content in % 51
Solid volume in % 44
Theoretical spreading capacity
  • 11 m²/l at 40 µm DFT
  • 11,11 m²/kg at 40 µm DFT
Recommended film thickness 75 µm WFT corresponds to 30 µm DFT
Drying (DIN EN ISO 1517) 40 µm DFT
Dust-dry (Tg1) After 30 min
Touch-dry (Tg4) After 1 h
Dry (Tg6) After 24 h
Cured chemically After 7 days

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 Hammerschlag Lack

(See Security Data Sheet)

VOC-level Appr. 486 g/l
Solvent content Appr. 49 % by weight
Aromatic content Appr. 39 % by weight

Storage
2K-Derocryl Hammerschlag Lack

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 Hammerschlag Lack

Mixing ratio

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

Airless spraying

  • Too high pressure and/or too high working viscosity can cause blister which may impair the effect
  • Flow pressure 130 - 160 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
  • If required (two component: after mixing) using 3% Derocryl-Verdünnung is possible

Compressed air spraying

  • Applying undiluted is recommended
  • Spraying pressure 2 - 3 bar
  • Nozzle size 1,8 - 2 mm

Electrostatic application

  • Application is not possible

Dipping

  • Can not be applied as delivered

Other methods

  • Roller and brush application is not possible

Thinner

  • Max. 15% 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
  • Mill scale, welding residues, dust and dirt on the surface which might reduce adhesion have to be carefully and thoroughly removed

General remarks

  • During coating and drying the humidity should be min. 10 % / 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 Hammerschlag Lack

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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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