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UV-cureLacquerGloss: 20 GU (60°)

VTL40044

UV-curing matt clear lacquer for vacuum coating, 100 % solids, 20 gloss (furniture, mouldings)

One-pack clear matt (20 gloss) UV-curing lacquer, 100 % solids. Levels well, holds on edges and ends, needs no flash-off before the UV oven. Made for vacuum coating heads and for spraying mouldings, carved/relief parts, capitals, handrails and the like. High chemical and physical resistance, stable on the line. Thin only with VTL10000 (0–5 %).

  • mouldings, picture-frame stock, profiles (vacuum coater)
  • relief/carved parts, capitals, balusters, handrails
  • furniture parts — matt UV topcoat over a UV primer

Mix calculator

g
Thinner0.0 %

When: Only when you need lower viscosity (cold shop, fine profile, fast line). Warming the lacquer to 25–30 °C is the first choice.

Ratio 100 : 0.0

ComponentWeigh out
VTL40044part A500 g
VTL10000Thinner0.0 g
Total500 g

Covers roughly 4.55 m² at 110 g/m².

Pot life of the mix: not applicable (1K, cures only under UV).

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Mixing matrix

  • VTL10000Thinner
    % by weight: 0–5 %catalog% by volume: 0–5 %recommended

    Only when you need lower viscosity (cold shop, fine profile, fast line). Warming the lacquer to 25–30 °C is the first choice.

    VTL10000 is Technocolor's UV diluent; the catalog allows 0–5 % while still quoting 100 % solids, so it is presumably reactive and becomes part of the film (not stated outright). Do not use solvent thinners (S30/S31/S11 etc.): with no flash-off they stay trapped and spoil cure and adhesion. No % by volume published; densities are similar so roughly the same figure.

Percentages are per 100 parts of component A.

Characteristics

Solids
100 %catalog
Viscosity
null s DIN4recommended
Density
1.05–1.15 g/cm³recommended
Gloss
20 GU (60°)official
Pot life
not applicable (1K, cures only under UV)recommended
Drying · Dust-free
instant after UV cure (seconds under the lamps)recommended
Drying · Flash-off (min)
0 mincatalog
Drying · UV cure
final: 3 lamps 80–120 W at ~10 m/min; gel/intermediate: 1 lamp 80–120 W at 10 m/min (schedules cure the moulding primer VTS40041 at 30 m/min, lamp count not given)recommended
Drying · Sand or stack
immediately after full UV cure and cool-down to room temperaturerecommended
Drying · Full cure
≈ 24 h for final chemical resistancerecommended
Drying · Conditions
UV lamps; material and part 20–30 °C
Hardness
high physical-chemical resistanceofficial
Chemical resistance
highofficial
Thixotropy
holds well on ends and edges (low run-off)catalog
Levelling
excellent levellingcatalog
Lightfastness
check before use on light/white woodsrecommended

Colours

  • VTL40044 · clear

Application

Vacuum coater

Consumption
100–120 g/m²catalog
Wet film
90–110 µmrecommended
Coats
1–2recommended
Flash-off
0 mincatalog
Recoat
next pass after full UV cure + scuff, or after a gel cure (1 lamp) without sandingrecommended
Sanding between coats
P240–P320 (or K120–K150 brushes on profiles) on the cured primer; P320–P400/grey pad between cured lacquer passesrecommended

The lacquer's main method. Profiles must be dust-free (blow-off + extraction) — the head drags dust into the film. Cure straight away; the UV tunnel must light every face of the profile.

Conventional spray

Consumption
80–100 g/m²official
Nozzle
1.5–2 mmrecommended
Pressure · fluid
1–2 barrecommended
Pressure · air
2.5–3.5 barrecommended
Spray viscosity
as supplied, or warmed to 30–40 °C; VTL10000 max 5 %recommended
Wet film
70–90 µmrecommended
Coats
1recommended
Flash-off
0 mincatalog
Recoat
after UV cure; scuff P320–P400 if fully curedrecommended

1.5–2.0 mm gun (by measured viscosity), 15–20 cm distance, 50 % overlap. On carved work hit the recesses first, then the high spots. Don't flood flat areas — a heavy film can come out shinier than 20 gloss.

HVLP

Nozzle
1.5–2 mmrecommended
Pressure · air
2–2.5 barrecommended
Pressure · fluid
0.8–1.5 barrecommended
Consumption
80–100 g/m²official
Spray viscosity
warm to 30–40 °C rather than dilute; VTL10000 ≤5 %recommended

For small runs and touch-up. If atomisation is poor, warm the lacquer — never add solvent.

Airmix (air-assisted airless)

Nozzle
0.23–0.28 mmrecommended
Pressure · fluid
40–80 barrecommended
Pressure · air
1–2 barofficial
Consumption
80–100 g/m²official

Good for batch finishing of carved parts; better than airless for a topcoat (Technocolor methods page).

Electrostatic

Suitability
unconfirmedrecommended

Not listed by Technocolor. Electrostatic airmix may work on handrails/balusters if the lacquer's resistivity suits — check with the supplier.

Process and compatibility

Substrate preparation
Profile sanded (brushes K60–K80, then K120–K150 on the primer) and dust-free. Any stain fully dry (moulding schedule: 5 min at 25–30 °C after CTU).schedule
Goes over
VTS40041 / CTU
Sanding
primer: K120–K150 brushes / P240–P320; between cured lacquer passes P320–P400; never sand the final matt coatrecommended
Temperature and humidity
material and parts 20–30 °C, RH 40–70 %, timber MC 8–10 %recommended
Don'ts
  • Don't thin with solvents — VTL10000 only, max 5 %.
  • Don't exceed 5 % VTL10000.
  • Don't leave open cans or the head reservoir in sunlight/near UV lamps.
  • Don't run with faces shaded from the lamps — under-cured lacquer stays tacky and loses adhesion.
  • Don't sand or polish the final matt coat.

Storage

Shelf life
typically 6–12 months in original sealed container (confirm on can label)recommended
Storage temperature
+5…+25 °C, darkrecommended

Safety: Contains acrylate monomers — skin sensitisers. Nitrile gloves and goggles; A2P2 respirator when spraying. Keep off skin; uncured spills stay wet — wipe up, don't wash skin with solvent. UV lamps: eye and skin protection.

Sources

Value tags: “official”, “dealer”, “catalog”, “schedule” are Technocolor data; “workshop” is from our own datasheets; “recommended” is our engineering estimate (hover to see the reasoning).

Not covered by the sources
  • Viscosity (no official/dealer/TDS value)
  • Density
  • Exact UV dose (mJ/cm²), lamp type (Hg/Ga) and minimum lamp count for profiles
  • Vacuum-coater settings (template clearance, vacuum level, line speed)
  • Consumption: official 80–100 g/m² is stated for spraying; catalog 100–120 g/m² has no method — vacuum figure taken from catalog, not confirmed
  • Name/method conflict: official title 'для вакуумного нанесения' but method listed as 'Распыление'
  • % by volume of VTL10000 (catalog gives only an unspecified %); whether VTL10000 is reactive is not stated
  • Shelf life, storage temperature, packaging
  • Lightfastness/yellowing data
  • Not used in any official finishing schedule; compatible primers not named by Technocolor
  • Dealer: t-colormarket.ru search for VTL40044 returns nothing (no UV category); lakokraska31/woodonline returned nothing
  • No ТДС/SDS PDF found (web search budget exhausted in this run)
  • Not in the 2025–2026 catalog transcripts (only in the web/2022 catalog)