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HardenersHardener

PC210

PC210 PU hardener for gloss finishes (fast)

Isocyanate hardener (component B) for Technocolor's 100-gloss polyurethane lacquers, enamels and converters: PTL200, PTL500, PTL100, PPL200, PPL500, PPL100. The fast alternative to AC200 — dealer: 'C210 gives faster drying, C200 higher physical/chemical resistance'. The catalog chart puts it in the 'hardeners for gloss lacquers' group, ≈36 % solids, toward the fast/hard end; for yellowing resistance only AC200, AC41 and AC40 rank higher. No official page; it was the main gloss-PU hardener in the 2022 catalog, replaced by AC200 in the 2025–2026 recipes, and the dealer has deleted its listing.

  • Component B for PTL200 and thixotropic PTL500 gloss PU lacquers
  • Component B for white gloss PU enamels PPL200 and thixotropic PPL500
  • Component B for the PTL100 / PPL100 gloss tinting converters
  • Where faster drying / quicker packing of gloss work is needed instead of AC200

Ask about PC210

Answers are based on the PC210 data and the products it mixes with.

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Mixing matrix

  • PTL100base
    % by weight: 70–100 %official% by volume: 70–100 %official

    Gloss colour enamels built on the clear PTL100 converter (100 gloss) when faster drying than with AC200 is wanted.

    Official PTL100 page: «PC210/AC200», 70–100 % by weight and volume. 2022 catalog lists PC210 only (70–100 %); 2025–2026 catalog lists AC200 only (70–100 %).

  • PTL200base
    % by weight: 50–70 %dealer% by volume: 50–70 %dealer

    100-gloss PU lacquer for fronts and panels when drying speed matters more than top chemical resistance.

    Dealer: «AC200 / PC210» 50–70 %; 'C210 gives faster drying of the lacquer, C200 higher physical/chemical resistance'. 2022 catalog: PC210 70–100 %. The current official PTL200 page lists AC200 only, at 100 % (S70/S80 20–30 % wt / 20–35 % vol). Dealer: part A viscosity 40±5 s VZ-4, solids 56±1 %.

  • PTL500base
    % by weight: 50–70 %dealer% by volume: 50–70 %dealer

    Thixotropic gloss PU lacquer for vertical work (chairs, coffins, doors).

    Dealer: «AC200 / PC210» 50–70 % by weight and volume; 2022 catalog: PC210 70–100 %. The official schedules (coffins, PU-foam parts) use C200 (AC200) at 70 %. The current official PTL500 page gives «PC72/AC200» 60 % by weight and volume, S70 20–30 % wt / 20–35 % vol — PC210 is not mentioned there.

  • PPL200base
    % by weight: 70 %catalog

    White/tinted 100-gloss PU enamel.

    PC210 appears only in the 2022 catalog. The dealer (PPL200 A) and the official bathroom-front schedule (PPL200 : C200 70 % : S80 40 %) use AC200. Official PPL200 page: AC200 70 % wt / 100 % vol, S70 20–30 % wt / 30–50 % vol.

  • PPL500base
    % by weight: 70–100 %dealer% by volume: 70 %dealer

    White thixotropic gloss PU enamel for vertical surfaces when fast drying is needed.

    Dealer: «AC200 / PC210» 70–100 % by weight, 70 % by volume; 'C210 dries the enamel faster, C200 gives higher physical/chemical resistance'. 2022 catalog: PC210 70 %. The current official PPL500 page: AC200 only, 70 % wt / 90 % vol.

  • PPL100base
    % by weight: 70 %catalog

    White gloss PPL100 converter (100 gloss) for light gloss enamels by recipe.

    2022 catalog only; the 2025–2026 catalog gives AC200 70 % for PPL100.

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

    Slow thinners for high-gloss PU — give flow-out and a tight film.

    For PTL100 the official page gives S70/S80 20–40 % by weight and volume; for PPL100 the 2022 catalog gives S80 20–30 %. Dealer lists S80 only for PTL500, and S80/S70 30–40 % (by weight only) for PPL500.

  • S100 / S101Additive
    % by weight: 5–10 %dealer

    Hot weather — retarder for better flow-out.

    Especially relevant with PC210: a fast hardener plus heat shortens open time.

Percentages are per 100 parts of component A.

Characteristics

Solids
≈36 (read off chart) %catalog
Chemistry
polyisocyanate; catalog group «отвердители для глянцевых лаков» (violet)catalog
Hardness vs elasticity
left of centre on the fast/hard ↔ slow/elastic axis (left of AC200 and PC90)catalog
Yellowing resistance
rank 7 of 10: PC72 → PC10 → PC20 → PC90 → PC25 → PC60 → PC210 → AC200 → AC41 → AC40 (least → most resistant)catalog
Drying speed vs AC200
faster drying; lower physical/chemical resistance than AC200dealer
Pot life
4–6 hdealer
Drying · Touch-dry
60 mindealer
Drying · Full cure
12 hdealer
Drying · Polish after (days)
3 daysdealer
Drying · Conditions
20 °C
Lightfastness
aliphatic hardeners are more lightfast than cheap aromatic ones (general statement, PC210 not named)official
Moisture sensitivity
highrecommended

Application

Mixing component

Why ru
Соотношения — официальные/дилерские/каталожные; порядок смешивания, выдержка после смешивания, фильтрация и защита от влаги — стандартная практика для 2К ПУ.

PC210 is never applied on its own. Sequence: stir component A (thixotropic PTL500/PPL500 especially well), weigh in PC210 (dealer: proportions are parts by weight), mix, add S70/S80, let stand 5–10 min, strain (125–190 µm). Close the hardener can tightly at once — isocyanate reacts with air moisture.

HVLP

Nozzle
1.5–1.8 (typ. 1.7) mmrecommended
Pressure · air
2–2.5 barrecommended
Spray viscosity
20–26 s DIN4 / VZ-4, 20 °Crecommended
Consumption
150 g/m²official
Coats
1 finish coat per pass; 2 on sanded build if a deep lens is wantedrecommended
Flash-off
10–20 minrecommended
Recoat
4–12 hrecommended
Sanding between coats
P400–P600 before a second gloss coatrecommended

Distance 15–20 cm, 50–75 % overlap. Polish no earlier than 3 days after the final coat (dealer).

Airmix (air-assisted airless)

Nozzle
0.23–0.28 mmrecommended
Pressure · fluid
20 barofficial
Pressure · air
1–2 barofficial

Same ratios; 5–10 % less thinner than for HVLP is usually enough.

Process and compatibility

Temperature and humidity
18–25 °C, RH ≤ 70 %; material and part at room temperaturerecommended
Don'ts
  • Never apply PC210 on its own or thin it separately
  • Don't mix up ratios: dealer gives 50–70 % for PTL200/PTL500, the 2022 catalog 70–100 % — stick to one source per batch
  • Don't leave the can open — moisture ruins the hardener
  • Don't polish before 3 days
  • Where maximum chemical resistance matters (worktops, kitchens) use AC200, not PC210

Storage

Safety: Contains isocyanates and organic solvents. Spray in an extracted booth with an organic-vapour respirator (A2P2 or better), nitrile gloves and eye protection. Keep away from ignition sources. Not for people sensitised to isocyanates.

Mixed into

AC200 / PPL100 / PPL500 / PTL100 / PTL200 / PTL500

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 official product page, no TDS/SDS found; dealer listing deleted (404)
  • Status: apparently discontinued/replaced by AC200 in 2025–2026 recipes, but still on the 2025 hardener chart — not confirmed
  • Exact solids (only ≈36 % read off chart), viscosity, density, NCO content unknown
  • Chemistry (aliphatic vs blend) not stated
  • Pot life and drying times with PC210 specifically not published (dealer values are for 'AC200 / PC210' unseparated)
  • Ratio conflicts: PTL200/PTL500 dealer 50–70 % vs 2022 catalog 70–100 %; PPL500 dealer 70–100 % wt vs catalog 70 %
  • Shelf life, storage temperature, packaging sizes unknown
  • No PC210 TDS found: dealer search, woodonline.ru search return nothing; lakokraska31.ru/ndom31.ru search 404 (checked 2026-10-05)
  • Official product pages for PTL200/PTL500/PPL200/PPL500 now list only AC200 (PTL500: PC72/AC200) — PC210 survives only on the official PTL100 page, dealer pages and the 2022 catalog