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Dow Corning 730 Fs Solvent Resistant Sealant
MFR Model# 4097353
Overview
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Solvent resistant silicone adhesive/sealant Dow Corning®730 FS Solvent Resistant Sealant is a ready-to-use, solventless, nonslumping fluorosilicone rubber paste that reacts with moisture in the air to form a tough, rubbery solid. It is a fluid-resistant material that is ideally suited for use in many applications where resistance to fumes, splash, and sometimes even total immersion in fuels, oils and solvents is needed. Dow Corning 730 FS Solvent Resistant Sealant features good resistance to weathering, vibration, moisture, ozone, and temperature extremes. It retains its flexibility over a wide temperature. Dow Corning 730 FS Solvent Resistant Sealant can be applied overhead or on vertical surfaces without fear of sagging, slumping or running off. For bonding and sealing applications where resistance to the swelling effects of fuels, solvents and oils is required.
Used for formed-in-place gaskets where irregular shapes and harsh conditions reject ordinary seals. For bonding or sealing of components exposed to moisture, vibration, shock, fuels, solvents and oils for long periods of time. |
Features
- 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 -65ºC (-85ºF) to 260ºC (500ºF)
- Retains its properties under exposure to fuels, oils and solvents
Specifications
- Color/Appearance: White
- Product Name: Dow Corning 730 Solvent Resistant Sealant White 90ml Tube
- 1 part or 2: 1
- Cure Time: 24 hrs / 7 days
- Durometer/Hardness: 40 A
- Flash Point: >214F
- Rt Tack Free Time: 25 min
- Specific Gravity: 1.4
- Viscosity Cp: Paste
- Base Chemistry: Fluorosilicone
- Dielectric Strength: 331 volts/mil
- Elongation: 200%
- Peel Strength: 15
- Service Temperature: -65 to 260C
- Tensile Strength: 300
- Volume Resistance: 2.1 X 10(13) ohm-cm
Typical Properties
- Arc Resistance = 124
- Color Non-slump paste
- Color White
- Durometer - Shore A = 40 Shore A
- Elongation = 195 %
- Peel Strength = 39 ppi
- Shelf Life = 540 Days
- Specific Gravity @ 25C = 1.44
- Tack-Free Time-50% RH = 14 Minutes
- Tensile Strength = 434 psi
Documents
Reviews
Excellent!
Verified Purchase
Dow 730Fs Solvent Resit Sealant
Great product, good service from Aircraft Spruce!
Verified Purchase
Dow 730Fs Solvent Resit Sealant
Have used this on three E/A-B aircraft. This product guarantees there will not be a fuel leak on any fitting to which its applied. (Six nylon fittings in my aircraft shrank due to age, and all four were sloppy-loose, yet the rubbery aspect of this compound kept the fuel system sealed until they were discovered and replaced.)
This stuff is expensive but its pretty much the only RTV that is fuel proof. Fortunately a little goes a long ways.
I'm just delighted to find out Aircraft Spruce carries this item (Dow Corning 730 RTV). I had a difficult time find anyone who had it in stock. I placed my order on Friday and had it delivered on Monday. Great service!
Q&A
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
The technical data information does not list ethanol, but does state if is used on fuel lines and tanks. We have added the tech data sheet for review in the 'Documents' tab of the web page.
Per Vendor: DC730 is fuel resistant and it is an adhesive similar to other silicone RTV materials. The fuel resistance is an added benefit of the DC730 that goes above and beyond typical silicone RTV's.
As long as the tube is sealed it should be fine to reuse again later. Keep in mind once opened it would reduce the shelf life.
