PU420 Polyurethane Engineering Vehicle Topcoat belongs to polyurethane coatings and is used as a topcoat. High-performance polyurethane topcoat, suitable as a topcoat for various engineering machinery and engineering vehicles, such as concrete mixer trucks, agricultural vehicles, trucks, excavators, harvesters, forklifts, bulldozers, cranes, etc. Two-pack, made from high-hydroxyl acrylic resin, weather-resistant pigments and aliphatic isocyanate polymers, etc. Parameters on this page: dry film thickness 50–80 µm, theoretical spreading rate 10.08 m²/kg, number of components two-component.
Parameter source: OSAKA original technical data sheet (TDS) 'PU420 Polyurethane Engineering Vehicle Topcoat'; values such as spreading rate are converted from TDS parameters and are for selection reference only.
The above content is compiled from the manufacturer's datasheet and this site's parameter tables. For selection, coating systems and lead times, pleaseContact Usfor confirmation.
This page carries the full TDS for this product, translated from the manufacturer's original document. No file download is needed; for an original-language copy, send an enquiry.
| Volume Solids | 63% |
|---|---|
| Dry Film Thickness | 50–80 µm |
| Theoretical Spreading Rate | 10.08 m²/kg |
| VOC | 318.2 g/L |
| Density / Specific Gravity | 1.10–1.25 kg/L |
| Number of Components | Two-component |
| Flash Point | >23 °C (components A, B and their mixture) |
| Thinner | OUP 104, recommended addition 3%–5% |
| Mixing Ratio | Component A : Component B = 5:2 (by weight) |
Two-pack, made from high-hydroxyl acrylic resin, weather-resistant pigments and aliphatic isocyanate polymers, etc. High solids content, attractive finish, good abrasion resistance, excellent UV resistance, excellent gloss and colour retention, high hardness and strong adhesion, resistance to mild to moderate chemicals, resistance to household chemicals, oil resistance; high gloss, semi-gloss or matt.
High-performance polyurethane topcoat, suitable as a topcoat for various engineering machinery and engineering vehicles, such as concrete mixer trucks, agricultural vehicles, trucks, excavators, harvesters, forklifts, bulldozers, cranes, etc.
| Volume Solids | 63% |
|---|---|
| Dry Film Thickness | 50–80 µm |
| Theoretical Spreading Rate | 10.08 m²/kg (based on 50 µm dry film thickness) |
| Practical Spreading Rate | Allowing a suitable loss |
| Volatile organic compound content | 318.2 g/L |
| Mixing Ratio | Component A : Component B = 5:2 (by weight) |
|---|---|
| Airless spray | Recommended: nozzle tip size 0.43–0.49 mm; fluid pressure ≥15.5 MPa |
| Brush or roller | Recommended, but use a short-nap roller or soft brush to minimise air entrapment. |
| Conventional spray | Suitable, but not recommended. |
| Air-assisted airless spray | Recommended |
| Thinner | OUP 104, recommended addition 3%–5%. |
| Paint equipment cleaner | OUP 104 |
| Pot life | 5 °C: 6 h; 23 °C: 4 h; 35 °C: 2 h |
| Drying Time | ||||
| Substrate Temperature | Touch dry (min) | Hard dry (h) | Recoat Interval | |
| Minimum | Maximum | |||
| 5°C | 45 | 24 | 24 h | 5 days |
| 23°C | 30 | 12 | 12 h | 3 days |
| 35°C | 20 | 10 | 10 h | 1 day |
| Storage | In a dry, cool environment away from fire and heat sources. |
|---|---|
| Shelf life | Component A: 1 year; Component B: 6 months |
| Packaging Specifications | A: 5 kg in an 8 L container; B: 2 kg in a 4 L container |
| Flash Point | >23 °C (components A, B and their mixture) |
| density | 1.10–1.25 kg/L |
For coating flat, primed or intermediate-coated surfaces; the surface shall be kept clean, dry and free from grease. Compatible previous coats: epoxy, polyurethane and similar primers or intermediate coats; application over unsaturated polyester filler is unhindered.
Mix in the specified ratio for immediate use, and use within the pot life. After mixing and stirring thoroughly, allow to stand for 15–30 minutes before use. Avoid contact with moisture during storage and application.
Information is subject to the manufacturer's latest version; the manufacturer's latest TDS prevails.
The technical parameters on this page are taken from the product's original manufacturer technical datasheet, the copyright of which belongs to the manufacturer. If a rights holder considers the presentation inappropriate, contact us for verification and handling.
For more Q&A on selection, application, acceptance and defect diagnosis, seeFAQsection.
Packaging specifications and batch lead times are subject to actual availability. PleaseContact Uscontact us for project-based calculation.
