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PolyurethaneConverterGloss: 100 GU

PTL100

PTL100 clear gloss PU converter (tinting base), 100 gloss

Clear high-gloss (100 gloss) polyurethane converter for the SPECTRUM tinting system. Tinted with CS pastes by recipe into saturated and dark gloss RAL/NCS colours (light/pastel colours go on the white PPL100 base). 2K: cured with AC200 (or PC210) at 70–100 %, thinned with the slow S70/S80. Builds a deep, polishable gloss — same gloss PU chemistry (AC200 hardener, S70/S80) as the PTL200 clear lacquer.

  • Base for tinting gloss PU enamels into saturated and dark colours (CS pastes)
  • High-gloss MDF fronts, cabinet furniture, pieces to be polished
  • Untinted it is effectively a clear gloss PU lacquer (by nature; officially sold as a converter)

Mix calculator

g
Hardener70.0 %

When: Main hardener. 70 % = longer pot life, a bit more flexible; 100 % = maximum hardness and resistance.

Thinner30.0 %

When: Always, to spray viscosity. S70 = default at 18–25 °C; S80 = above ~25 °C, large flat panels, maximum gloss flow-out.

Ratio 100 : 70.0 : 30.0

ComponentWeigh out
PTL100part A250 g
AC200Hardener175 g
S70 / S80Thinner75.0 g
Total500 g

Covers roughly 3.33 m² at 150 g/m².

Pot life of the mix: 6 h.

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Answers are based on the PTL100 data and the products it mixes with.

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Mixing matrix

  • AC200Hardener
    % by weight: 70–100 %official% by volume: 70–100 %official

    Main hardener. 70 % = longer pot life, a bit more flexible; 100 % = maximum hardness and resistance.

    Catalog: AC200 70–100 %. Gloss-material hardener, ≈44 % solids (catalog chart). Dealer: AC200 gives better physical/chemical resistance than PC210.

  • PC210Hardener
    % by weight: 70–100 %official% by volume: 70–100 %official

    When faster drying is needed (cold shop, short cycle).

    Official page: «PC210/AC200». The catalog lists only AC200 for PTL100. PC210 yellows slightly more and, by analogy with PTL200, trades resistance for speed; shorter pot life (≈3–4 h, estimate).

  • S70 / S80Thinner
    % by weight: 20–40 (typ. 30) %official% by volume: 20–40 %official

    Always, to spray viscosity. S70 = default at 18–25 °C; S80 = above ~25 °C, large flat panels, maximum gloss flow-out.

    Both slow, made for high-gloss PU (catalog p.19). Don't use fast S30/S50 — orange peel and lost gloss. Thinner doesn't change cure time.

  • S70 / S80Thinner
    % by weight: 30–40 %catalog

    2025–2026 catalog: 30–40 % (website: 20–40 %).

  • CS 10 / CS 20 / CS 21 / CS 22 / CS 23 / CS 30 / CS 40 / CS 50 / CS 51 / CS 53 / CS 60 / CS 70 / CS 80 / CS 90 / CS 91Additive

    To make a colour. Recipe and dose come from SPECTRUM software / the dispenser.

    Calculate hardener and thinner on the weight of the tinted base (converter + pastes) — our assumption, not stated officially. Light/pastel colours go on the white PPL100.

Percentages are per 100 parts of component A.

Characteristics

Properties
Clear gloss PU converter for making enamels, 100 glosscatalog
Gloss
100 GUcatalog
Viscosity
40–55 srecommended
Pot life
6 hrecommended
Drying · Touch-dry
60 minrecommended
Drying · Full cure
12 hrecommended
Drying · Polish after (h)
72 hrecommended
Drying · Forced drying
flash 15–20 min, then 30–35 °C for 30 min, then 20–25 °Crecommended
Drying · Conditions
20 °C
Lightfastness
AC200 is among the most non-yellowing hardeners (only AC41/AC40 rank higher on the catalog scale); PC210 yellows slightly morecatalog
Hardness
high, polishes wellrecommended
Chemical resistance
high with AC200; slightly lower with PC210recommended
Thixotropy
norecommended

Colours

  • PTL100 · clear (tint base)

Application

HVLP

Pressure · fluid
gravity cup, or 0.8–1.2 bar pot pressurerecommended
Consumption
150 g/m²official
Recoat
next day (≥ 12 h at 20 °C), after sandingrecommended
Sanding between coats
P400–P600 (dry) or P800 wet before a second gloss coat; never sand the last coat except for polishingrecommended

Clean gun, hoses and strainer; filter the mix at 125–190 µm. 50–75 % overlap, 15–20 cm distance. Clean, dust-controlled booth — gloss shows everything.

Conventional spray

Pressure · fluid
gravity cup, or 0.8–1.5 bar potrecommended
Consumption
150 g/m²official

Official methods page: air spray is the universal method, transfer efficiency up to 40 %.

Airmix (air-assisted airless)

Consumption
150 g/m²official

Official: «better suited to finish coats than AIRLESS».

Electrostatic

Nozzle
as for the base method: HVLP/air 1.3–1.5 mm, airmix tip 09–11 thourecommended
Pressure · air
as for the base method (HVLP/airmix)recommended

Official: all spray systems can be electrostatic; good for chairs, legs. Mix resistivity for PTL100 isn't published — test first.

Process and compatibility

Substrate preparation
Goes over a sanded pigmented primer (PU or PE). Sand primer P240–P320, then K150–K180 pads; de-dust.recommended
Sanding
Between coats P400–P600; polish no sooner than 72 h (3M Finesse-it or similar).recommended
Don'ts
  • Don't thin with fast S30/S50 — orange peel, lost gloss
  • Don't exceed 150 g/m² per coat — sags and trapped solvent
  • Don't polish before 72 h
  • Don't use the mix past pot life (~6 h with AC200)
  • Don't build light/pastel colours on the clear base — use PPL100

Storage

Safety: Contains organic solvents; AC200/PC210 hardeners contain isocyanates. Spray in an extracted booth with an organic-vapour respirator (A2P2 or better), nitrile gloves and eye protection. Keep away from ignition sources.

Mixed into

AC200 / CS 10 / CS 20 / CS 21 / CS 22 / CS 23 / CS 30 / CS 40 / CS 50 / CS 51 / CS 53 / CS 60 / CS 70 / CS 80 / CS 90 / CS 91 / PC210

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
  • No dealer page: PTL100 not sold on t-colormarket.ru (search + PU converter category empty), woodonline.ru search: nothing found; lakokraska31/ndom31 search 404
  • No Technocolor TDS PDF found (web-search budget exhausted)
  • Solids, viscosity, density, pot life, drying times all derived from PTL200 / PTL200 A analogs
  • Gloss 100 comes from catalog/leaflet; official page only says «глянцевый»
  • Catalog gives thinner 30–40 % vs official 20–40 %; catalog lists only AC200 while official also lists PC210
  • Pot life with PC210 not published
  • Maximum CS paste loading per kg converter and whether hardener % is calculated on converter or tinted base — not published
  • Not named in any official finishing schedule (gloss MDF schedule uses «PPL200 (RAL, NCS)» tinted enamel — unclear whether built on PTL100/PPL100)
  • Shelf life, storage temperature, packaging sizes
  • Hardness, elasticity, chemical-resistance numbers
  • All nozzle/pressure/spray-viscosity settings are derived
  • Electrostatic suitability (resistivity)