2K-Deripox EG BBV 687.

Two component intermediate coating with micaceous iron oxide on epoxy resin basis, chemical cured with polyamine adduct

General information
2K-Deripox EG BBV 687.

Field of application

  • Corrosion protection systems acc TL/TP-Corr steel structures. Intermediate coating for high corrosion protection requirements.
  • This product is approved by the BAST for journal 87 TL/TP -Corr steel structures.

Product properties

  • High Solid
  • Resistance to chemicals (on request)
  • Resistance to mineral oils
  • Coating systems for low temperatures
  • Abrasion restistance
  • Recoatability: with two component topcoats

Technical Specification
2K-Deripox EG BBV 687.

Colours DB 702 (687.12), DB 703 (687.13) , DB 601 (687.14).
Colour deviation (Colour deviations may occur in the range of high temperatures due to the restricted temperature resistance of the pigments)
Flash point >23 °C
Temperature stability -40 up to 200 (short-term up to 250) °C
Gloss Silky mat
Potential dry film thickness in one working process 80 up to 120 µm
Mixing ratio Hardener HL 500
(Basis:hardener) by weight 6:1
(Basis:hardener) by volume 3:1
Pot life in hours 12
Viscosity Thixotrope
Density in kg/l 1,72
Solid content in % 79
Solid volume in % 58
Theoretical spreading capacity
  • 4,83 m²/l at 120 µm DFT
  • 2,81 m²/kg at 120 µm DFT
Recommended film thickness 200 µm WFT corresponds to 120 µm DFT
Drying (DIN EN ISO 1517) 100 µm DFT
Dust-dry (Tg1) After 70 min
Touch-dry (Tg4) After 5 h
Dry (Tg6) After 15 h
Cured chemically After 7 days
Accelerated drying 30 min. at 60°C possible, after 10 min. flash-off time
Interval for overcoating
  • after 20 h universal
  • after 10 h with two component Derocryl topcoats
  • Max. after 6 months 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.
  • Using winter quality application is possible nearly to frost temperature. Application only on steel supports possible.

Safety information
2K-Deripox EG BBV 687.

(See Security Data Sheet)

VOC-level Appr. 403 g/l
Solvent content Appr. 21 % by weight
Aromatic content Appr. 19 % by weight

Storage
2K-Deripox EG BBV 687.

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-Deripox EG BBV 687.

Mixing ratio

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

Airless spraying

  • Flow pressure 180 bar
  • Nozzle size 0,017 - 0,023 inch (0,43 - 0,58 mm)
  • Spraying angle according to the geometry and size of the object to be laquered

Compressed air spraying

  • Spraying pressure 5 - 6 bar
  • Nozzle size 1,8 - 2,2 mm
  • Adjust to spraying viscosity (appr. 60 s DIN 4 mm) adding appr. 10 % Deripox-Verdünnung (687.150) (two component products: after mixing)

Electrostatic application

  • Application is not possible

Dipping

  • Can not be applied as delivered

Other methods

  • Roller and brush application is possible in the quality as delivered

Thinner

  • Max. 10% Deripox-Verdünnung (687.150)

Cleaning

  • Rinse immediately with Deripox-Verdünnung (687.150)

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. 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-Deripox Grund BBV 687.
  • Intermediate coat: 2K-Deripox EG BBV 687.
  • Finish coat: 2K-Derocryl Lack 687.

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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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