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CLT49

CLT49 Kromolux dye concentrate, Venetian walnut

Kromolux (made by MILESI) concentrated transparent dye stain, Venetian walnut, a walnut-brown shade. Very even colour and high strength, so you can go dark and still keep the wood clear. Cut with water or solvent, with or without a binder. Every dye in the range mixes with the others in any ratio.

  • Colouring all kinds of wood, veneer or solid
  • Walnut (Venetian) toning that keeps the grain visible
  • A base for mixing your own shades with other Kromolux dyes

Mix calculator

g
Thinner750.0 %

When: Listed as an approved thinner on the official pages of the other Kromolux dyes (CLT1–CLT10).

Additive

Ratio 100 : 750.0

ComponentWeigh out
CLT49part A58.8 g
LZC97Thinner441 g
Total500 g

Covers roughly 5.56 m² at 90 g/m².

Ask about CLT49

Answers are based on the CLT49 data and the products it mixes with.

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Mixing matrix

  • S10Thinner
    % by weight: 500–1000 %dealer% by volume: 500–1000 %dealer

    Fast, strong solvency: stains on fine-pored timber (catalog). The dealer table labels it 'thinner for polyester'.

    500–1000 % means 5 to 10 parts thinner to 1 part concentrate. More thinner = lighter, more transparent shade. Fine-pored means e.g. beech, birch, maple, alder, cherry; also handy in a cool shop (shop practice, not from the catalog).

  • S12Thinner
    % by weight: 500–1000 %dealer% by volume: 500–1000 %dealer

    Medium evaporation: stains on medium-pored timber (catalog). The dealer table labels it 'thinner for NC'.

    500–1000 % means 5 to 10 parts thinner to 1 part concentrate. More thinner = lighter, more transparent shade. A sensible default (shop practice, not from the catalog).

  • S90Thinner
    % by weight: 500–1000 %dealer% by volume: 500–1000 %dealer

    Slow evaporation: stains on open-pored timber (catalog). The dealer table labels it 'slow thinner for dyes'.

    500–1000 % means 5 to 10 parts thinner to 1 part concentrate. More thinner = lighter, more transparent shade. Open-pored means e.g. oak, ash, walnut; also big panels and hot weather, fewer stripes and blotches (shop practice, not from the catalog).

  • LZC97Thinner
    % by weight: 500–1000 %official% by volume: 500–1000 %official

    Listed as an approved thinner on the official pages of the other Kromolux dyes (CLT1–CLT10).

    The CLT49 dealer page doesn't list LZC97. The data comes from sibling pages in the same series (same chemistry). LZC97's own properties are unpublished.

  • WATERThinner
    % by weight: 500–1000 %dealer% by volume: 500–1000 %dealer

    Water dilution, when you want a solvent-free stain. Deionised water only.

    Dealer note: use only deionised water, or the dye can flocculate and lose colour stability in the can. Water raises the grain, so wet, dry and sand the wood before staining (official wood-prep page).

  • CFH1Additive
    % by weight: 0–200 %dealer% by volume: 0–200 %dealer

    Spray binder for the solvent-borne system: use it when the concentrate is cut with S10/S12/S90.

    0 % = straight dye, no binder. The binder locks the dye in, cuts bleed into the next sealer coat and evens out absorption. The solvent/water pairing comes from the dealer table (CFH1 / CFS1 = 'solvent-borne / water-borne spray binder').

  • CFS1Additive
    % by weight: 0–200 %dealer% by volume: 0–200 %dealer

    Spray binder for the water-borne system: use it when the concentrate is cut with deionised water.

    Solvent/water pairing per the dealer table. The official CLT10 page lists CFS1 only.

  • LZC97 / LZC1000Thinner

    Milesi's suggested solvent dilution (LZC1000 isn't sold by Technocolor; S10/S12 is the local equivalent).

    Series TDS; CLT49 not named in it.

  • LZC97 / WATERThinner

    Milesi's suggested water dilution, LZC97 acting as a co-solvent bridge between concentrate and water.

    Deionised water only (dealer). Series TDS.

Percentages are per 100 parts of component A.

Characteristics

Viscosity
24 ± 2 s (cup not stated by dealer; series TDS gives ISO 3 mm cup)dealer
Drying · Touch-dry
10–30recommended
Drying · Overcoat (min)
30–120recommended
Drying · Conditions
20 °C (TDS)
Drying · Touch dry (TDS series)
30 s (LZC1000 solvent); 8 h (water)datasheet
Drying · Overcoat with sealer (TDS series)
after 1 min (solvent); after 8 h (water)datasheet
Drying · IR drying 60 °C
10 min (solvent); 20 min (water)datasheet
Lightfastness
No figure published. The catalog only says pigment stains have high hiding power and lightfastness, while transparent stains give saturated, bright colour; by implication a transparent dye like CLT49 is the less lightfast option.catalog
Colour strength
Higher concentration than ordinary stains, so dark shades stay transparentdealer
Viscosity (TDS series)
24 ± 2 sdatasheet
Density
0.895–1.015 g/cm³ at 20 °Cdatasheet

Colours

  • CLT49 · Venetian walnut

Application

HVLP

Nozzle
1–1.3 (typ. 1.2) mmrecommended
Pressure · air
1.5–2 barrecommended
Spray viscosity
10–12 s DIN4recommended
Consumption
80–100 g/m²dealer
Wet film
95–125 µmrecommended
Coats
1–2recommended
Flash-off
5–15recommended
Recoat
30–120 minrecommended
Sanding between coats
Never sand the stain itself. You cut through the colour on edges. Denib only after the first sealer coat.recommended

15–20 cm from the work, 50 % overlap, gun square to the surface, steady speed. Back off the fluid on vertical panels. Do edges and ends first, then the face.

Conventional spray

Nozzle
1.2–1.4 mmrecommended
Pressure · air
2.5–3.5 barrecommended
Consumption
80–100 g/m²dealer

More overspray than HVLP, but often more even on large surfaces.

Airmix (air-assisted airless)

Nozzle
0.18–0.23 mmrecommended
Pressure · fluid
8–20 barrecommended
Pressure · air
1–2 barofficial
Consumption
80–100 g/m²dealer

For production runs. Skip airless for stain: too much material, and it blotches.

Conventional spray

Source block
tds_series
Consumption
5–20 g/m² (TDS figure, much lower than dealer 80–100 g/m²; likely concentrate-basis or very light production coats)datasheet
Dilution %
500–800datasheet

Manual spray per series TDS. For fixed airmix/airless/swinging-arm automatics the TDS gives 10–20 g/m² at 500–800 %; rotating carousel 5–20 g/m² at 700–1500 %.

Process and compatibility

Substrate preparation
Sand solid wood or veneer to P150–P180 (open-pored up to P180, fine-pored P180–P220) and de-dust. If you dilute with water, pre-wet, dry and knock back the raised grain first.recommended
Goes over
bare wood
Goes under
ATS20
Sanding
Don't sand the stain. The first denib goes on the first sealer coat.recommended
Temperature and humidity
15–25 °C, RH 50–70 %; above ~25 °C use slow S90recommended
Don'ts
  • Don't cut it with tap water. Deionised only (dealer).
  • Don't lay it on in one heavy coat. You get blotches and runs.
  • Don't seal before the solvent or water has fully gone.

Storage

Packaging
1 Ldealer
Shelf life
8 months from deliverydatasheet
Storage temperature
18–25 °Cdatasheet

Safety: (Generic advice, not from an SDS.) Once cut with S10/S12/S90 it is highly flammable. Spray in an extracted booth, wear an A2-filter respirator and nitrile gloves, and keep it away from ignition sources. I couldn't find an SDS for CLT49.

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
  • Solids content and flash point of the concentrate are not published (official, dealer and catalog all checked)
  • Viscosity unit/cup is not stated by the dealer ('24±2')
  • No official drying or overcoat times; the times given are derived
  • No lightfastness rating specific to CLT49
  • There is NO official t-color.ru page for CLT49; all data is from the dealer page, plus LZC97 from official sibling pages (CLT1–CLT10)
  • CLT series is not in the 2025-2026 catalog (it lists CTU/CPS/CTH instead)
  • No official finishing schedule uses CLT49
  • No colour swatch/reference or composition for «Орех венецианский» published; how it differs from CLT4/5/6/7 walnuts is unknown
  • Only 1 L packaging listed by the dealer; other pack sizes unknown
  • Properties of LZC97, CFH1 and CFS1 are not published (dealer pages for CFS1 return 404)
  • No code-specific TDS/SDS for CLT49: the only Milesi CLT TDS (2006) predates/omits CLT49, so its density, drying, shelf-life figures are applied by series only
  • Web/dealer search (t-colormarket, lakokraska31, woodonline, DuckDuckGo) found no other CLT49 data
  • TDS consumption (5–20 g/m²) and dealer consumption (80–100 g/m²) disagree; basis not explained