EPP308 Epoxy Universal Primer is an epoxy paint used as a primer. A multi-purpose epoxy primer suitable for steel and galvanised steel, aluminium, copper, stainless steel and other non-ferrous metal surfaces, and suitable for immersion service and atmospheric exposure. Red-brown, grey and other colours; good adhesion to steel, galvanised steel and non-ferrous metal surfaces; good water resistance and anticorrosive properties; can be overcoated with epoxy, polyurethane, alkyd, chlorinated rubber and acrylic paints. Parameters on this page: dry film thickness 50–100 µm, theoretical spreading rate 7.98 m²/kg, number of components two-component.
Parameter source: OSAKA original technical data sheet (TDS) EPP308 Epoxy Universal Primer; 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 | 67% |
|---|---|
| Dry Film Thickness | 50–100 µm |
| Theoretical Spreading Rate | 7.98 m²/kg |
| VOC | 281 g/L |
| Density / Specific Gravity | Approx. 1.40 kg/L |
| Number of Components | Two-component |
| Thinner | OUP 103, recommended addition 3%–5% |
| Mixing Ratio | Component A : Component B = 5:1 (by weight) |
| Pot Life | 23 °C: 6 h |
Red-brown, grey and other colours; good adhesion to steel, galvanised steel and non-ferrous metal surfaces; good water resistance and anticorrosive properties; can be overcoated with epoxy, polyurethane, alkyd, chlorinated rubber and acrylic paints. Suitable for cathodic protection systems.
A multi-purpose epoxy primer suitable for steel and galvanised steel, aluminium, copper, stainless steel and other non-ferrous metal surfaces, and suitable for immersion service and atmospheric exposure. Provided the surface is not wet and free of ice, application and drying temperatures may be below -5°C.
| Volume Solids | 67% |
|---|---|
| Dry Film Thickness | 50–100 µm |
| Theoretical Spreading Rate | 7.98 m²/kg, calculated at a dry film thickness of 60 µm. |
| Practical Spreading Rate | Allowing a suitable loss |
| Volatile organic compound content | 281 g/L |
| Mixing Ratio | Component A : Component B = 5:1 (by weight) |
|---|---|
| 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 103, recommended addition 3%–5%. |
| Paint equipment cleaner | OUP 103 |
| Pot life | 23 °C: 6 h |
| Drying Time | ||||
| Substrate Temperature | Touch dry (h) | Hard dry (h) | Recoat Interval | |
| Minimum | Maximum | |||
| 5°C | 2 | 24 | 24 h | 6 months |
| 23°C | 1 | 12 | 12 h | 6 months |
| 35°C | 0.5 | 6 | 6 h | 6 months |
| Storage | Store in a cool, dry environment |
|---|---|
| Shelf life | 1 year |
| Packaging Specifications | Component A: 20 kg in a 20 L container; Component B: 4 kg in a 4 L container |
| Flash Point | Above 25°C (mixture) |
| density | Approx. 1.40 kg/L |
Steel surface: blast clean to ISO 8501:2007 Sa2.5, or hand or power tool clean to St3. Galvanised steel, aluminium, copper and stainless steel surfaces: remove grease and other contaminants; abrasive blasting to a surface profile above 30 µm is preferred.
During application and curing, substrate temperature should not be below 5°C and shall be at least 3°C above dew point.
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.
