PU415-1/PU415-2 One-component Polyurethane Primer / One-component Polyurethane Topcoat belongs to polyurethane coatings and is used as a primer. Suitable for anti-corrosion protection of steel structures in C2-C4 atmospheric corrosivity categories. It can be applied and cured at low temperatures, is easy to apply, and the film offers good water, damp-heat and corrosion resistance. Parameters on this page: volume solids primer 45-50% / topcoat 40-45%, dry film thickness 50-80 µm, theoretical spreading rate 6.7-8.0 m²/kg.
Parameter source: osaka original technical data sheet (TDS) for PU415-1/PU415-2 One-Component Polyurethane Primer/One-Component Polyurethane Topcoat; spreading rate and other values are converted from TDS parameters and provided for product 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 | Primer 45–50% / Topcoat 40–45% |
|---|---|
| Dry Film Thickness | 50–80 µm |
| Theoretical Spreading Rate | 6.7-8.0 m²/kg |
| VOC | Primer: 433–476 g/L; topcoat: 476–519 g/L |
| Density / Specific Gravity | — |
| Number of Components | One-component |
| Thinner | OUP 104, recommended addition 3%–5% |
| Mixing Ratio | Single pack |
| Pot Life | Unlimited |
One-component packaging; primer: grey or iron red, etc.; topcoat: various colours. It can be applied and cured at low temperatures, is convenient to apply, and the film has good water resistance, damp heat resistance and corrosion resistance.
Suitable for corrosion protection of steel structures in C2-C4 atmospheric corrosive environments.
| Volume Solids | Primer: 45-50%; topcoat: 40-45% |
|---|---|
| Dry Film Thickness | 50–80 µm |
| Theoretical Spreading Rate | Primer: 6.7-8.0 m²/kg at 50 µm dry film thickness; topcoat: 7.50-8.57 m²/kg at 50 µm dry film thickness |
| Practical Spreading Rate | Allowing a suitable loss |
| Volatile organic compound content | Primer: 433–476 g/L; topcoat: 476–519 g/L |
| Mixing Ratio | Single pack |
|---|---|
| Airless spray | Recommended: nozzle tip size 0.43–0.53 mm; fluid pressure ≥17.6 MPa |
| Brush or roller | Recommended |
| Conventional spray | Suitable, but not recommended. |
| Thinner | OUP 104, recommended addition 3%–5%. |
| Paint equipment cleaner | OUP 104 |
| Pot life | Unlimited |
| Drying Time | ||||
| Substrate Temperature | Touch dry (min) | Hard dry (h) | Recoat Interval | |
| Minimum | Maximum | |||
| 5°C | 90 | 30 | 30 h | Unlimited |
| 23°C | 60 | 18 | 18 h | Unlimited |
| 35°C | 40 | 12 | 12 h | Unlimited |
| Storage | Store in a cool, dry environment |
|---|---|
| Shelf life | 1 year |
| Packaging Specifications | Primer: 25 kg in a 20 L container; topcoat: 20 kg in a 20 L container |
| Flash Point | Above 33 °C |
| density | Primer: 1.25-1.35 kg/L; topcoat: 1.05-1.20 kg/L |
Steel surfaces: abrasive blast clean to Sa 2.5 (ISO 8501:2007) or clean by hand or power tools to St 3. Keep clean and dry.
Data is subject to the manufacturer's latest version; in all cases the manufacturer's latest TDS prevails.
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.
