TONSAN RC-703 is the surface coating of the High Temperature Ceramic Resin system (RC-701, RC-702 and RC-703), based on two-component epoxy. It is solvent-free, environmentally friendly and safe, with excellent acid resistance and easy application, for severe acid corrosion conditions in thermal power, metallurgy and petrochemical plants. FEYANA supplies TONSAN RC-703.
Key features
- Part of the high-temperature ceramic resin system: RC-701 prime, RC-702 intermediate, RC-703 surface coat
- Solvent-free, environmentally friendly and safe
- Excellent acid resistance, easy to apply
- Good resistance to H2SO4, H3PO4, HNO3, NaOH, NaCl and Na2CO3 at tested concentrations
Technical data
| Color | Black |
|---|---|
| Specific gravity (g/cm3) | 1.51 |
| Mix ratio by weight (A:B) | 3:1 |
| Mix ratio by volume (A:B) | 3.5:1 |
| Working time (min) | 15~25 |
| Compressive strength (MPa) | 100.0 |
| Tensile strength (MPa) | 65.0 |
| Shear strength (MPa) | 27.0 |
| Hardness (Shore D) | 80 |
| Cured time for operation (h) | 96 |
| Temperature range (℃) | -50~150 |
| Chemical resistance (10% H2SO4 70℃; 10% H2SO4, H3PO4, HNO3 RT; 10% NaOH 70℃; 10%/40% NaOH, 10% NaCl, 10% Na2CO3 RT) | Good |
| Acetone resistance | Average |
Applications
- Severe acid corrosion protection in thermal power plants
- Metallurgy and petrochemical industry
Packaging: 10kg/set (Order no. 07030202)
Data are typical values from the manufacturer’s literature. Contact us for the TDS/SDS and selection advice.
Contact FEYANA: WhatsApp/Zalo +84 988 641 591 – sales.00@feyana.com




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