Hesse COOL-TOP HE 6509x(gloss level)

  • Solvents content < 3 %, thus also suitable for “Green Building” items.
  • Non-slip class R10 per DIN 51130
Hesse COOL-TOP HE 6509x(gloss level) is a light fast and colourless 1C multicoat lacquer with very good chemical and mechanical resistance and good sanding properties. The product has a wide field of application and is suitable both for priming and top coating of open- to closed-pore structures, e.g. for coating staircases to be creak-free. Our acrylate-based COOL-TOP is equally suitable for coating children’s toys as per DIN EN 71-3 and its very low VOC content means it can also be used for "Green Building" projects.
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  • Description
  • Information on use
  • Sample process
  • Safety Data Sheets / Certificates

Fields of application

In the entire interior and for coating furniture, stairs and handrails; usable on many different types of wood.

Technical specifications

Giscode W2+
Appearance colourless
Decopaint basis WB
Decopaint category I
Density series kg/l 1.037 - 1.044
Flow time (+/- 15 %) 30 s / DIN 53211 - 6 mm
Form of delivery fluid
Non-volatile content series % 32 - 34
VOC EU % 2.79 %
Number of coats (max) 3
Amount per layer (minimum) 80 g/m²
Amount per layer (max) 120 g/m²
Total application volume 360 g/m²

Information on use

Drying 2 h / 20 °C
Stackable after > 16 h / 20 °C
Complete drying 1 d / 20 °C
Surface preparation Clean, dry wood, free of oil, grease, wax and silicones. Sanded as prescribed and free from sanding dust.
Substrate sanding grits from-to 120 - 220
Lacquer sanding (grit) from - to 280 - 320
Finishing After sufficient drying time and intermediate sanding, another coat of the same.
Comments on sanding The quality and uniformity of the wood / substrate and of the lacquer sanding are crucial to the final surface finish. After sanding, remove dust as prescribed.
Yield per coat 9 - 13 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.
Working Temperature Range 18 - 22 °C
Storage temperature 10 - 30 °C
Working temperature 20 °C
conditions of transport 10 - 30 °C
Processing instructions
This product must only be combined with other approved and technically suitable products when used as a flame retardant coating material for seagoing vessels according to the latest version of SOLAS 74/88 Reg. II-2/3, II-2/5 and II-2/6, IMO Resolution MSC.36(63)-(1994 HSC-Code) 7 and IMO Resolution MSC.97(73)-(2000 HSC-Code) 7. The maximum application amount in wet film when using this product as a flame retardant coating material for seagoing vessels is 100 g/m².
Particular instructions When being used on coarse-pored woods, the addition of up to 5 % of HYDRO Optimizer HZ 70 improves pore wetting and pore appearance. Over-paintability: possible with another coat of the same product or with suitable colourless materials. Also suitable as a top coat on coloured HYDRO coats. Recoating without intermediate sanding is only possible within 6 h (without forced drying). Non-slip factor R10 as per DIN 51130 is achieved by adding 10 % Hesse Additive HZ 75 to the final coat of lacquer. 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. “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.”
General instructions on workmanship When working with HYDRO materials, parts that come into contact with the material must be made from stainless steel. The moisture content should be between 8 - 12 %. Do not apply or dry HYDRO lacquers at material or room temperatures below 18 °C. The ideal humidity for application lies between 55 and 65 %. During the lacquering process, a humidity level that is too low leads to surface defects (such as shrink cracks, etc.). Excessive humidity during the drying phase may drastically lengthen the drying time! In order to avoid adhesion problems, please sand the lacquered surfaces freshly before coating and apply lacquer to the sanded surfaces as soon as possible. When applied to foils, etc., please use a sample coating on the respective substrate to check the adhesion! The ideal complete hardening of lacquered surfaces that have been flashed off is reached at temperatures over 20 °C up to no more than 40 °C. Adequate, draft-free air exchange must be assured. The complete hardening of the lacquer will be reached after one week of proper storage (at least 20 °C room temperature). Woods containing large amounts of natural oils, such as teak, can negatively influence adhesion under certain circumstances. Water-soluble wood ingredients such those in ash and tannins in woods such as oak may cause colour changes and discolourations in the coating. We recommend that you always conduct a sample lacquering to evaluate the colour effect, adhesion and drying process under real conditions!

Nursery furniture, natural maple, semi matt Wood-sanding grit 150 - 180 with subsequent dust removal. Coating 2 x with 100 - 120 g/m² Hesse COOL-TOP HE 65094. Intermediate drying for at least 2 - 3 h / 20 °C room temperature with sufficient air circulation. Intermediate sanding grit 280 with subsequent dust removal. Packable: after drying for at least 16 h / 20 °C room temperature with sufficient air circulation.


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.