Description
DOWSIL™ 730 FS is a solvent-resistant silicone adhesive/sealant designed for applications requiring high chemical resistance. Paste-like consistency. Room temperature vulcanizing (RTV).
Field of application
- Bonding and sealing applications exposed to fuels, oils, and solvents
- Ideal for fuel systems, chemical compressors, pipe joints, and irregular gaskets
Properties
- One-component fluorosilicone adhesive/sealant
- Cures at room temperature when exposed to moisture in the air
- Acetoxy cure system
- Non-sag, paste consistency
- Easy to apply
- Cures to a tough, flexible rubber
- Good adhesion to many substrates
- Stable and flexible from -65°C (-85°F) to +260°C (500°F)
- Resistant to fuels, oils, and solvents
- Excellent dielectric properties
- White color
Technical data
- Appearance: Non-slump paste
- Color: White
- Extrusion rate: 321 g/minute
- Skin-over time: 12 min
- Tack-free time: 14 min
- Specific gravity: 1.44
- Hardness (Shore A): 40
- Tensile strength: 3.0 MPa (434 psi)
- Elongation at break: 195%
- Tear strength: 11.9 kN/m (68 ppi)
- Peel strength (primed aluminum): 6.8 kN/m (39 ppi)
- Dielectric strength: 372 volts/mil
- Dielectric constant (100 Hz): 7.11
- Dissipation factor (100 kHz): 0.007
- Volume resistivity: 5.1×10¹³ Ohm·cm
DOWSIL™ 730 FS, DOWSIL730FS, solvent resistant silicone, fuel resistant RTV, Dow fluorosilicone sealant
Hazard Information (CLP)

Signal word: Warning
Hazard statements (H-statements)
- H315: Causes skin irritation.
- H319: Causes serious eye irritation.
Precautionary statements (P-statements)
Prevention:
- P264: Wash skin thoroughly after handling.
- P271: Use only outdoors or in a well-ventilated area.
- P280: Wear protective gloves/eye protection/face protection.
Response:
- P332 + P313: If skin irritation occurs: Get medical advice/attention.
- P337 + P313: If eye irritation persists: Get medical advice/attention.
- P370 + P261: In case of fire: Avoid breathing smoke.
Additional labelling (EUH-statements)
- EUH208: Contains: Bis[(2-ethyl-2,5-dimethylhexanoyl)oxy](dimethyl)stannane. May produce an allergic reaction.
- EUH212: Warning! Hazardous substances may be formed when used.
DOW DEUTSCHLAND ANLAGENGESELLSCHAFT MBH, Rheingaustr. 34, 65201 Wiesbaden, GERMANY, +49 611 237007, [email protected], www.dow.com






Benoît –
Really good value for money. Everything OK. Price matches the quality. Everything as described.
hannah_91 –
Surprisingly good quality for the price. Pleasant to use at home. I’ve been using it for 2 weeks and already see results! Feels nice to use at home.
elena_bella –
A friend recommended it and I’m so glad I ordered. Perfect for my needs; I couldn’t be happier.
patrizia88 –
Looks even nicer in real life. No unpleasant smell; I really like that. I was skeptical, but now I’ll order regularly. I noticed the difference right away!
Patrizia X. –
Packaging was slightly damaged, but the product is excellent. It completely solved my problem!
Lina –
Better than anything I’ve tried before. Easy to use, no mess at all. Very fast delivery, thank you.
eva_s –
The quality surprised me in a good way. Looks even nicer in real life. Excellent product, worth every cent. A friend recommended it and I’m so glad I ordered.
Antonia –
No unpleasant smell, which I really appreciate. Surprisingly good quality for the price. Surprisingly good quality for the price. The quality surprised me in a good way.
sophie_rose –
I was skeptical, but now I’ll order regularly.
sebastien_75 –
Really good value for money. Great value for money.
isabelle75 –
A friend recommended it; I’m very happy with the purchase.
anna_italia –
Better than anything I’ve tried so far. Looks even nicer in real life. A friend recommended it and I’m so glad I ordered. Looks even nicer in person.
mason23 –
Delivers what it promises.