TR621-1/TR621-2 Heat-resistant Anti-corrosive Primer 200 °C / Heat-resistant Anti-corrosive Primer 200 °C is a heat-resistant coating. A primer resistant to 200 °C, suitable for high-temperature pipes, engines, boiler equipment and various high-temperature equipment. One-component or two-component heat-resistant primer, multiple colours. Parameters on this page: DFT 30–50 µm, theoretical spreading rate 7.3–8.5 m²/kg, number of components one-component.
Parameter source: OSAKA original technical data sheet (TDS) “TR621-1/TR621-2 Heat-resistant Anti-corrosive Primer 200 °C (one-component)/Heat-resistant Anti-corrosive Primer 200 °C (two-component)”; 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 | 55% |
|---|---|
| Dry Film Thickness | 30–50 µm |
| Theoretical Spreading Rate | 7.3–8.5 m²/kg |
| VOC | 387 g/L |
| Density / Specific Gravity | Approx. 1.3–1.5 kg/L |
| Number of Components | One-component |
| Thinner | TR621-1: OUP102; TR621-2: OUP103 Recommended addition… |
| Mixing Ratio | TR621-1: single can; TR621-2: Component A : Component B = 6:1 (by weight) |
| Pot Life | TR621-1: unlimited; TR621-2: 23 °C: 6 h |
One-component or two-component heat-resistant primer, multiple colours.
A primer resistant to 200 °C, suitable for high-temperature pipes, engines, boiler equipment and various high-temperature equipment.
| Volume Solids | 55% |
|---|---|
| Dry Film Thickness | 30–50 µm |
| Theoretical Spreading Rate | 7.3–8.5 m²/kg, calculated at 50 µm DFT |
| Practical Spreading Rate | Allowing a suitable loss |
| Volatile organic compound content | 387 g/L |
| Mixing Ratio | TR621-1: single can; TR621-2: Component A : Component B = 6:1 (by weight) |
|---|---|
| Airless spray | Recommended: nozzle tip size 0.43–0.53 mm; fluid pressure ≥17.6 MPa |
| Brush or roller | Applicable |
| Conventional spray | Suitable, but not recommended. |
| Thinner | TR621-1: OUP102; TR621-2: OUP103 Recommended addition 3%–5%. |
| Paint equipment cleaner | TR621-1:OUP102;TR621-2: OUP103 |
| Pot life | TR621-1: unlimited; TR621-2: 23 °C: 6 h |
| Drying Time | ||||
| Substrate Temperature | Touch dry (h) | Hard dry (h) | Recoat Interval | |
| Minimum | Maximum | |||
| 23°C | 2 | 36 | 36 h | 14 days |
| 35°C | 1 | 24 | 24 h | 10 days |
| Storage | Store in a cool, dry environment |
|---|---|
| Shelf life | 1 year |
| Packaging Specifications | TR621-1: 25 kg in a 20 L container TR621-2: A: 18 kg in a 20 L container; B: 3 kg in a 4 L container |
| Flash Point | Above 24 °C |
| density | Approx. 1.3–1.5 kg/L |
Steel surfaces: blast clean to Sa2.5 of ISO 8501:2007, or clean by hand or power tool to St3. Keep clean and dry. Stir thoroughly until uniform before use.
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.
