Hesse PU Basecoat DG 468-3

  • particularly transparent
  • highly elastic
  • Particularly good body
  • excellent ability to stay on vertical surfaces under high gloss
  • IMO-approved
Hesse PU Basecoat DG 468-3 is an especially transparent two component PU polyester resin basecoat. The lacquer sands well, is extremely elastic and has good body. This product is particularly suitable for building up a closed-pore finish and provides superb hold beneath high gloss. It also fulfills the requirements of the IMO EC Type Examination test certificate (flame retardant coating agent for seagoing vessels).
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  • Description
  • Information on use
  • Sample process
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Fields of application

Hesse PU Basecoat DG 468-3 is particularly suitable for achieving closed-pore lacquer structures beneath Hesse PU high gloss lacquers. This basecoat is used primarily in the high quality fit-out of ships, the interior design sector and shopfitting.

Technical specifications

Appearance colourless
Density series kg/l 0.969
Flow time (+/- 15 %) 44 s / DIN EN ISO 2431 - 4 mm
Form of delivery fluid
Non-volatile content series % 40.4
Profile of properties Highly elastic
VOC EU % 59.58 %
Number of coats (max) 12
Amount per layer (minimum) 100 g/m²
Amount per layer (max) 200 g/m²
Total application volume 2,400 g/m²
Mixing ratio (by volume) 1 : 3 PUR Hardener DR 438
Mixing ratio (gravimetric) 100 : 305 PUR Hardener DR 438

Information on use

Usage time 30 - 60 min / 20 °C
Pot life 90 min / 20 °C
Drying 6 h / 20 °C
Stackable after > 16 h / 20 °C
Complete drying 7 d / 20 °C
Surface preparation Clean dry wood, according to the wood type, application process and desired effect.
Substrate sanding grits from-to 150 - 180
Lacquer sanding (grit) from - to 320 - 400
Finishing After adequate drying and careful sanding, coat with Hesse high gloss lacquers DU 449 / DU 44099.
Comments on sanding Sanding with 400 - 600 grit is recommended before applying a final coat of high gloss finish.
Yield per coat 5 - 10 m²/l

The spreading rate is heavily dependent on the type of application. The specifications relate to a liter of ready-for-use product, if necessary including hardener and thinner.
Storage temperature 16 - 25 °C
Working temperature 20 °C
Processing instructions The maximum application amount in wet film when used as a flame-retardant coating material for seagoing vessels totals 140 g/m². At high temperatures we recommend adjustment of the application viscosity using DV 4981 thinner!
Particular instructions In order to improve the stability and bonding to critical woods such as tropical woods and cherry, we recommend pre-priming with Hesse PU isolating primer DG 572-1 / DG 4720-0001.The product is not suitable for use on bleached surfaces! When being used as a flame-retardant coating material for seagoing vessels in accordance with SOLAS 74/88 Regulations II-2/3, II-2/5 and II-2/6, in the latest version, IMO Resolution MSC.36(63)-(1994 HSC-Code) 7 and IMO Resolution MSC.97(73)-(2000 HSC-Code) 7, this product may only be combined with other approved and technically suitable products.
“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.”

Contract installation in natural walnut, high gloss
Isolation: 2 x Hesse PU Isolating primer DG 572-1 with intermediate drying (20 - 30 min / 20 °C), mixing ratio (by volume) 2 : 1 with PU Hardener DR 440 and the addition of 5 - 10 % Thinner DV 494 in relation to the lacquer/hardener mixture
Drying: 2 h / 20 °C
Lacquer sanding: 320 - 400 grit (dust removal)
Basecoat: as necessary 2 - 3 x 100 - 250 g/m² Hesse PU Basecoat DG 468-3 with brief intermediate drying (10 - 30 min / 20 °C), mixing ratio (by volume) 1 : 3 with PU Hardener DR 438 and the addition of 20 - 30 % Thinner DV 4935 or DV 4981 (at high temperatures and on large surfaces) in relation to the lacquer/hardener mixture
Drying: at least 16 h / 20 °C
Lacquer sanding: 320 - 400 grit (dust removal)
Basecoat: as necessary 2 - 3 x 100 - 250 g/m² Hesse PU Basecoat DG 468-3 with brief intermediate drying (10 - 30 min / 20 °C) , mixing ratio (by volume) 1 : 3 with PU Hardener DR 438 and the addition of 20 - 30 % Thinner DV 4935 or DV 4981 (at high temperatures and on large surfaces) in relation to the lacquer/hardener mixture
Drying: at least 16 h / 20 °C
Another basecoat can be applied if necessary. After adequate drying, sand the last basecoat layer using 400 - 800 grit depending on the type of wood and colour tone (dust removal).
Top coat: 2 x Hesse PU Brilliant lacquer DU 449 with intermediate drying (20 - 30 min / 20 °C), mixing ratio (by volume) 2 : 1 with PU Hardener DR 404 and the addition of 20 - 30 % Thinner DV 4935 in relation to the llacquer/hardener mixture
Dust dry: after 10 - 20 min / 20 °C
Ready for packaging / polishing: after at least 3 d / 20 °C

Safety Data Sheets / Certificates

Material Safety Data Sheets

Contact

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.