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PU-Isolating Filler DP 4791-9343

PU-Isolating Filler DP 4791-9343

DP 4791-9343 is a Decopaint compliant PU Isolation primer for the greatest isolation effect and quality demands. This product is perfectly suited for use beneath Hesse high gloss lacquers and in wet rooms. Our PU Isolation primer can be used as an adhesion primer on a wide variety of plastics due to its excellent bonding properties.

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Highlights
  • very good body and perfect sanding properties
  • excellent ability to stay on vertical surfaces beneath high gloss
  • extremely wide range of applications
  • can be used as an adhesion primer for plastic
  • Decopaint compliant

Processing

  • 2C line
  • Airless Airless
  • Airless low pressure Airless low pressure
  • Airmix Airmix
  • Compressed air spraying Compressed air spraying
  • High-performance automatic spraying unit High-performance automatic spraying unit
  • Automatic spray gun Automatic spray gun
  • Spraying robot Spraying robot

Areas of application

DP 4791-9343 can be used as a PU Isolation primer for shopfitting and all interior fixtures and fittings, including in kitchens and bathrooms as well as the fitting out of ship interiors.

Technical information

Technical Specifications

Proportion of renewable raw materials % 0 %
Appearance opaque
VOC EU % 34 %
Number of layers (max) 4
Quantity per layers (min) 140 g/m²
Quantity per layers (max) 300 g/m²
Total quantity applied 800 g/m²
Mixing ratio (volumetric) 4 : 1
Mixing ratio (gravimetric) 100 : 18

Processing Instructions

Potlife 2 h / 20 °C
Drying 5 h / 20 °C
Due to hardening 7 d / 20 °C
Stackable according to 16 h / 20 °C
Surface sanding (grain size) 150 - 320
Intermediate sanding (grain size) 320 - 400
Yield per pass 5 - 10 m²/l
Processing information The maximum application amount in wet film when used as a flame-retardant coating material for seagoing vessels totals 140 g/m².
Special notes When used as a coating material with low flame-spread characteristics complying with SOLAS 74 Reg. II-2/3, II-2/5, II-2/6 and X/3, as amended, IMO Resolution MSC.36(63)-(1994 HSC-Code) 7, IMO Resolution MSC.97(73)-(2000 HSC-Code) 7, IMO MSC/Circ. 1120, this product must only be combined with other approved and technically matching products.For MDF substrates: With MDF coatings, you can avoid painting faults and edge breaks if you observe the following: Selection of an MDF quality suitable for the field of application, see manufacturer data on EU standard EN 622-5 pt.4 Test methods EN 317 (requirements on thickness swelling). Ideal panel moisture 5 - 7 %. If possible coat the MDF all around, the backs should at least receive a clear coating. Avoid sharp edges and milling grooves, round-off wherever possible. Coat edges and milling grooves 2 x with primer, do not sand through, if need be, prime again. Thick boards that have been built by gluing together several thinner boards are, due to the variance in tension, susceptible to edge ridging. It is better to select a single MDF board of the appropriate thickness. Panels that have been glued together should always be sanded flat at the edges and colourlessly pre-insulated. Any water introduced by the gluing process must be allowed to evaporate prior to coating. Store filler-coated surfaces in an air conditioned location and apply the final coat in a timely manner.“A risk assessment was undertaken according to Directive 2014/90/EU, Annex II, Section 3. This coating does not pose a physical risk to health nor a risk to the environment when cured and dried.”

Procedure example

Bathroom furniture in MDF, suitable for deep milling, white and matt

Edge and profile sanding: 150 - 180 grit (dust removal)

Basecoat: 1 x 150 - 200 g/m², Hesse PU Isolation primer DP 4791-9343, mixing ratio (by volume) 4 : 1 with PU Hardener DR 4058,

Addition of thinner at 10 - 15 % DV 4935

Drying: at least 5 h / 20 °C, preferably 16 h / 20 °C

Filler sanding: 320 - 400 grit (dust removal)

Basecoat: 1 x 150 - 200 g/m², Hesse PU Isolation primer DP 4791-9343, mixing ratio (by volume) 4 : 1 with PU Hardener DR 4058,

Addition of thinner at 10 - 15 % DV 4935

Drying: at least 5 h / 20 °C, preferably 16 h / 20 °C

Filler sanding: 320 - 400 grit (dust removal)

Coloured lacquer coating: 1 x 120 - 150 g/m² Hesse PU Coloured lacquer DB 45245-9010, mixing ratio (by volume) 10 : 1 with DR 4070 PU Hardener, addition of 10 - 20 % DV 4994

Drying: at least 5 h / 20 °C

Lacquer sanding / smoothing: 400 grit (dust removal)

Final coating: 1 x 80 - 100 g/m², Hesse PU Multicoat lacquer DE 45032, mixing ratio (by volume) 10 : 1 with PU Hardener DR 4070, addition of 10 - 20 % DV 4994

Complete drying: at least 16 h / 20 °C

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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