PPS20040
PPS20040 white PU primer for PU-foam mouldings (schedule code; now PPS40 / PPS40040)
The code PPS20040 appears only in the official 'Finishing PU-foam (PU) products' schedule as the priming coat: PPS20040 100 : C20040 20 : S50 30, 150 g/m², dry 4 h at 20–25 °C, scuff with K120 pads. There is no product page; by every sign it is the former code of the white PU primer for PU foam now sold as PPS40 / PPS40040. Two-pack pigmented polyurethane primer for cast PU-foam mouldings (cornices, ornaments, carved onlays) and MDF. Good adhesion to PU foam, high solids (76–79 %), high flexibility, good wetting and hiding, sag-resistant. Hardens fast and hand-sands easily. With PC20 hardener (25 %) it wets MDF and veneer well, raises minimal grain and shows little shrinkage. Coloured versions (yellow, walnut, light walnut, mahogany, black) are a ground for patina and shabby-chic work, where the base shows through when distressed.
- PU-foam (polyurethane foam) mouldings: decor, cornices, carved elements
- MDF and veneered surfaces before coloured enamels
- flexible parts and difficult PU foam (with the flexible C20041 hardener)
- coloured ground under patina and shabby-chic distressing
Mix calculator
Ask about PPS20040
Answers are based on the PPS20040 data and the products it mixes with.
Mixing matrix
- C20040Hardener% by weight: 20 %schedule% by volume: 30 %recommended
Official 'Finishing PU-foam products' schedule recipe: PPS20040 100 : C20040 20 : S50 30.
The only ratio published for the PPS20040 code itself. Weigh it.
- S50Thinner% by weight: 30 %schedule% by volume: 50–55 %recommended
Per the PPU schedule - top of the range, to flow into relief.
- PC20042Hardener% by weight: 20 %official% by volume: 30 %official
Primary option per the official page and catalog (series-specific hardener for PU foam).
Weigh it - fixed ratio, not a range.
- PC20Hardener% by weight: 25 %official% by volume: 35 %official
Universal aromatic PU hardener; per the dealer, with PC20 at 25 % the primer wets MDF and veneer very well, raises minimal grain and resists shrinkage.
Best pick when priming MDF/veneer rather than PU foam.
- C20041Hardener
Flexible hardener: higher elasticity and adhesion; for flexible parts and difficult PU foam. Dries slower than with C20040.
No ratio given for C20041; start from the C20040 figure (20 % by weight) but check the hardener label.
- S50Thinner% by weight: 20–30 (typ. 25) %official% by volume: 35–55 %official
Standard (normal evaporation) thinner; the default.
Dealer: ratios are by weight; stir thoroughly before use. Default 25 % is the middle of the range (derived).
- S80Thinner% by weight: 20–30 %recommended
Only in heat (above ~25 °C) or on big flat panels, in place of S50.
Not listed by the maker for this primer - test panel first.
| Role | Material | % by weight | % by volume | When |
|---|---|---|---|---|
| Hardener | C20040 | 20 %schedule | 30 %recommended | Official 'Finishing PU-foam products' schedule recipe: PPS20040 100 : C20040 20 : S50 30.The only ratio published for the PPS20040 code itself. Weigh it. |
| Thinner | S50 | 30 %schedule | 50–55 %recommended | Per the PPU schedule - top of the range, to flow into relief. |
| Hardener | PC20042 | 20 %official | 30 %official | Primary option per the official page and catalog (series-specific hardener for PU foam).Weigh it - fixed ratio, not a range. |
| Hardener | PC20 | 25 %official | 35 %official | Universal aromatic PU hardener; per the dealer, with PC20 at 25 % the primer wets MDF and veneer very well, raises minimal grain and resists shrinkage.Best pick when priming MDF/veneer rather than PU foam. |
| Hardener | C20041 | — | — | Flexible hardener: higher elasticity and adhesion; for flexible parts and difficult PU foam. Dries slower than with C20040.No ratio given for C20041; start from the C20040 figure (20 % by weight) but check the hardener label. |
| Thinner | S50 | 20–30 (typ. 25) %official | 35–55 %official | Standard (normal evaporation) thinner; the default.Dealer: ratios are by weight; stir thoroughly before use. Default 25 % is the middle of the range (derived). |
| Thinner | S80 | 20–30 %recommended | — | Only in heat (above ~25 °C) or on big flat panels, in place of S50.Not listed by the maker for this primer - test panel first. |
Percentages are per 100 parts of component A.
Characteristics
- Solids
- 79 % by weight, part Acatalog
- Viscosity
- 25 ± 2 sdealer
- Density
- 1.5–1.6 g/cm³recommended
- Gloss
- matt (not rated)recommended
- Pot life
- 3 hdealer
- Drying · Dust-free
- 15–20 minrecommended
- Drying · Touch-dry
- 30 mindealer
- Drying · Sand or stack
- 3–4 hdealer
- Drying · Full cure
- 6 hdealer
- Drying · Conditions
- 20 °C
- Elasticity
- highcatalog
- Adhesion
- good to PU foam, MDFofficial
- Hiding power
- good / excellentcatalog
- Thixotropy
- sag-resistant (стойкость к стеканию)dealer
- Sandability
- sands easily by handcatalog
- Yellowing resistance
- PC20 is on the low (aromatic) end of Technocolor's yellowing-resistance scale: PC72 → PC10 → PC20 → … → AC40catalog
Colours
- PPS20040 · white
Application
HVLP
- Nozzle
- 1.8–2.5 (typ. 2) mmrecommended
- Pressure · air
- 2–2.5 barrecommended
- Spray viscosity
- 25–35 s DIN4recommended
- Consumption
- 150 g/m²official
- Wet film
- 110–120 µmrecommended
- Coats
- 1–2recommended
- Flash-off
- 10–15 minrecommended
- Recoat
- enamel after 3-4 h + sandingdealer
- Sanding between coats · Grit
- P280-P320
Distance 15-20 cm, 50-75 % overlap, full fan. On carved PU foam use crossing passes to reach recesses, but don't let it pool in the relief. recommended
Conventional spray
- Nozzle
- 1.8–2.2 mmrecommended
- Pressure · air
- 3–4 barrecommended
- Pressure · fluid
- 0.8–1.5 barrecommended
- Consumption
- 150 g/m²official
Spraying is the only method the maker lists ('Spray 150 g/m²'); per the methods page conventional air spray transfers up to 40 %. official
Airmix (air-assisted airless)
- Nozzle
- 0.28–0.33 mmrecommended
- Pressure · fluid
- 40–80 barrecommended
- Pressure · air
- 1–2.5 barrecommended
Not listed by the maker - test on a sample part first. recommended
Airless
- Nozzle
- 0.33–0.43 mmrecommended
- Pressure · fluid
- 120–180 barrecommended
Flat MDF panels only; use HVLP/air spray for PU-foam decor. recommended
Process and compatibility
- Substrate preparation
- PU foam: degrease thoroughly, remove mould-release (wax/silicone) with a solvent wipe, light scuff with a grey pad. MDF: sand P180-P220 and dedust.recommended
- Goes over
- bare PU foam (ППУ) / MDF / veneer
- Sanding · Grit
- P280-P320
- Sanding · After (h)
- 3-4
- Temperature and humidity
- 20-25 °Cschedule
- Don'ts
- Don't prime PU foam without degreasing - release agent kills adhesion
- Don't mix more than you'll spray in 3 h
- Don't thin past 30 % - build drops and shrinkage rises
- Don't sand before 3-4 h - paper clogs
- No water, no acrylic hardeners
Storage
- Shelf life
- not published (typically 12 months)recommended
- Storage temperature
- 5–25 °Crecommended
- Packaging
- 1 kg,5 kg,25 kgdealer
Safety: Two-pack solvent-borne PU; the hardener contains isocyanates. Spray only in a ventilated booth with an A2P2 combination respirator (or supplied air), nitrile gloves and eye protection. Flammable - no flames or sparks.
Used in finishing systems
Mixed into
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).
- official schedule 'Отделка изделий из ППУ (ПУ)': PPS20040 100 : C20040 20 : S50 30, 150 g/m², 4 h at 20-25 °C, K120 mats; then PPL20/CQS/PTL500
- t-colormarket.ru search for PPS20040 - no product results (2026-10-04)
- official: properties, spray 150 g/m², PC20042/PC20 20/25 % wt (30/35 % vol), S50 20-30 % wt (35-55 % vol)
- t-colormarket PPS40: hiding, adhesion, sag resistance, hand sanding, PC20 25 % on MDF/veneer, packs 1/5/25 kg
- t-colormarket PPS40040 (mis-titled PPS40720): solids 77±1 %, visc 25±2 s CF-8, pot life 3 h, touch 30 min, full 6 h, S50 20-30 wt / 40-50 vol, flexible-hardener note
- t-colormarket PPS40042: dealer instruction 150 g/m² → 3-4 h → P280-P320 → PPL → CQS → PTL500; C20040/C20041
- t-colormarket PPS40043: solids 76±1 %, 25±2 s CF-8, pot life 3 h, touch 30 min, full 6 h, S50 20-30 wt/40-50 vol
- t-colormarket PPS40045: solids 76±1 %, 25±2 s ВЗ-8, same drying
- woodonline PPS40040 white: touch 30 min, full 6 h, 25±2 s CF-8, solids 70±1 % (conflicts), names C20040 standard / C20041 flexible hardener
- woodonline PPS40043 walnut
- woodonline PPS40044 light walnut (colour only on woodonline)
- woodonline PPS40090 black for PPU
Not covered by the sources
- no product page on t-color.ru and no t-colormarket.ru search hit for PPS20040 (2026-10-04)
- identity with PPS40/PPS40040 is inferred, not confirmed by Technocolor
- all characteristics (solids, viscosity, pot life, drying) are the successor's figures, not measured for PPS20040
- official TDS/SDS PDF (none found)
- C20040 volume ratio (derived from PC20042)
- whether C20040 = PC20042
- density
- dust-free time
- shelf life and storage temperature
- RH limits
- C20041 ratio
- S80 suitability
- hardness / chemical resistance / lightfastness
- nozzle/pressure (all derived)
- solids conflict for PPS40040: 79 % catalog / 77±1 % t-colormarket / 70±1 % woodonline