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HYDRO-PU Chalkboard coating HDB 54611-(colour tone)

HYDRO-PU Chalkboard coating HDB 54611-(colour tone)

High opacity HYDRO-PU Effect lacquer with good coverage and good chemical and mechanical resistance. Its user-friendly flow properties make it very suitable for coating vertical surfaces. Drying leads to the formation of a sophisticated surface that is ideal for writing using blackboard chalks. This blackboard lacquer is light fast, PVC resistant and resistant to creams and perspiration. It can also be used to coat children’s toys as it is methylpyrrolidon-free and free from phthalate plasticisers.

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Highlights
  • Good hold on vertical surfaces
  • efficient due to its good coverage
  • Easy writing using customary chalks
  • Easy removal of chalk marks from blackboard surfaces

Processing

  • Airmix Airmix
  • Compressed air spraying Compressed air spraying

Areas of application

Universal use as blackboard lacquer in decorative interior design.

Technical information

Certificates

Technical Specifications

Appearance opaque
Decopaint base wb
Decopaint category J
Number of layers (max) 1
Quantity per layers (min) 120 g/m²
Quantity per layers (max) 150 g/m²
Total quantity applied 150 g/m²
Mixing ratio (volumetric) 20 : 1 | Hardener: HDR 5091
Mixing ratio (gravimetric) 100 : 4 | Hardener: HDR 5091

Processing Instructions

Drying 4 h / 20 °C
Due to hardening 16,1 h / 20 °C
Stackable according to 16 h / 20 °C
Surface sanding (grain size) 280 - 400
Intermediate sanding (grain size)
Yield per pass 8 - 10 m²/l
Processing information Stir the material thoroughly before application. Clean tools with water. For removal of dried lacquer residues use Hesse HYDRO Cleaning agent HV 6917. In case of combined coatings (HYDRO- and solvent based lacquers) rinse application tools with Hesse HYDRO Reversing agent HV 6904.

Procedure example

Blackboard in colour tone RAL 7026

MDF, laminated and sanded

1 x basecoat at 150 - 200 g /m² using Hesse 2C HYDRO Pigment filler HDP 5650-9343, mixing ratio (gravimetric) 10 : 1 with Hesse HYDRO Hardener HDR 5081 (or other Hesse HYDRO Pigment fillers)

Drying: ideally overnight at 20 °C room temperature

Sanding: 320 - 400 grit paper with subsequent dust removal

1 x finish using Hesse HYDRO-PU Chalkboard coating HDB 54611-7026, mixing ratio 20 : 1 (by volume) with Hesse HYDRO Hardener HDR 5091

Drying: ideally overnight at 20 °C room temperature.

Full surface resilience is achieved after complete hardening for 7 days at 20 °C room temperature.

General Notes / Disclaimer

Our technical information is continually adapted to keep up to date with the latest technology and statutory regulations. The latest version is always available online at www.hesse-lignal.de or talk to your local account manager. This information is for advice and is based on the best knowledge available and careful research in line with the current state of the art. This information cannot be held as legally binding. We also refer you to our terms and conditions of business. Safety data sheet is provided in accordance with EC regulation no. 1907/2006.

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HYDRO-PU Chalkboard coating HDB 54611-(colour tone)

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