TONSAN STP1920 is a flowable, low-viscosity one-component silane-terminated (STP) sealant in white or black that cures with moisture. It provides elastic sealing on fibreglass, plywood, teak, metal, metal primer and paint, with primerless adhesion and paintability. FEYANA supplies TONSAN STP1920 and can help you select the right grade for your application.
Key features
- White or black; one component, moisture curing
- Low viscosity, flowable
- Primerless adhesion to many substrates
- Low odour, no mildew, paintable, ageing and UV resistant
Technical data
| Color | White / Black |
|---|---|
| Specific gravity (g/cm3) | 1.33 |
| Tack free time (min, 25℃ RH50%) | 60~90 |
| Cure speed (25℃ RH50%) | 3mm/24h |
| Elongation at break (%) | 200 |
| Tensile strength (MPa) | 1.2 |
| Shear strength EN1465 (MPa) | 0.8 |
| Hardness (Shore A) | 35 |
| Temperature range (℃) | -50~90 |
Applications
- Elastic sealing of fibreglass, plywood and teak
- Sealing on metal, metal primer and paint
Packaging: White: 600ml/sausage (Order no. 19200406); Black: 600ml/sausage (Order no. 19200506)
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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