AC501 Etching Primer is a primer. Used for phosphating treatment of galvanized steel, aluminium, steel and light alloy surfaces to improve intercoat adhesion of subsequent coats. Two-component, vinyl etching primer, pale yellow. Parameters on this page: dry film thickness 6 µm equivalent to 50 µm wet film, theoretical spreading rate 16.7–18.2 m²/kg, number of components two-component.
Parameter source: OSAKA OSAKA original technical data sheet (TDS) "AC501 Etching 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 | 12% |
|---|---|
| Dry Film Thickness | 6 µm corresponds to 50 µm WFT |
| Theoretical Spreading Rate | 16.7–18.2 m²/kg |
| VOC | 762.1 g/L |
| Density / Specific Gravity | 1.1–1.2 kg/L |
| Number of Components | Two-component |
| Flash Point | 13°C ± 2 |
| Thinner | OUP 106, recommended addition 3%–5% |
| Mixing Ratio | Component A : Component B = 5:1 (by weight) |
Two-component, vinyl etching primer, pale yellow
Used for phosphating treatment of galvanized steel, aluminium, steel and light alloy surfaces to improve intercoat adhesion of subsequent coats.
| Volume Solids | 12% |
|---|---|
| Dry Film Thickness | 6 µm corresponds to 50 µm WFT |
| Theoretical Spreading Rate | 16.7–18.2 m²/kg |
| Practical Spreading Rate | Allowing a suitable loss |
| Volatile organic compound content | 762.1 g/L |
| Mixing Ratio | Component A : Component B = 5:1 (by weight) |
|---|---|
| Airless spray | Not recommended |
| Brush or roller | Recommended |
| Conventional spray | Recommended |
| Thinner | OUP 106, recommended addition 3%–5%. |
| Paint equipment cleaner | OUP 106 |
| Pot life | 23 °C — 8 h |
| Drying Time | ||||
| Substrate Temperature | Touch dry (min) | Hard dry (minutes) | Recoat Interval | |
| Minimum | Maximum | |||
| 5°C | 40 | 60 | 60 min | Unlimited |
| 23°C | 15 | 30 | 30 min | Unlimited |
| 35°C | 10 | 20 | 20 min | Unlimited |
| Storage | Store in a cool, dry environment |
|---|---|
| Shelf life | 1 year |
| Packaging Specifications | A: 15 kg in a 20 L drum B: 3 kg in a 4 L drum |
| Flash Point | 13°C±2 |
| density | 1.1–1.2 kg/L |
Clean the surface with solvent in accordance with SSPC-SP1 to remove grease, ensuring the area is clean and dry, free from metal corrosion products.
Avoid applying the paint film too thick; the dry film thickness shall not exceed 12 µm.
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.
