WEICON Silicone F 310 ml self-levelling silicone for potting and sealing
Product code: 10046424
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Product description
WEICON Silicone F 310 ml – self-levelling silicone for potting and sealing
WEICON Silicone F is a liquid, self-levelling and solvent-free one-component silicone with neutral curing. It can be used for flexible bonding, insulation, impregnation, sealing and potting of technical components. After curing, it remains highly flexible and resistant to ageing, weathering and temperatures up to +180°C.
Applications of WEICON Silicone F
Silicone F is intended for applications requiring a liquid silicone that can flow and level itself over the surface. It can be used for sealing and potting technical components up to a maximum thickness of 10 mm as well as for insulation and impregnation.
The product adheres well to steel, aluminium, glass and ceramics as well as many other materials. WEICON specifies applications including machine and equipment construction, plastics processing, the energy and electrical industries, as well as exhibition and shop fitting.
Key properties
- liquid self-levelling consistency,
- one-component neutral-curing silicone,
- moisture curing,
- solvent-free,
- elongation at break 600%,
- temperature resistance from -50°C to +180°C,
- resistant to ageing and weathering,
- suitable for potting technical components up to a maximum of 10 mm.
Surface preparation and application
Surfaces should be clean and free of grease. For removing oil, grease, dust and other contamination, the manufacturer recommends WEICON Surface Cleaner. Cleaner Spray S may be used for heavily contaminated metal surfaces. Where particularly high adhesion is required, WEICON recommends an appropriate primer or mechanical surface preparation.
Silicone F can be applied with a manual 310 ml cartridge gun, a pneumatic cartridge gun or an automatic dispensing system. The application temperature ranges from +5°C to +40°C. The parts to be joined should be assembled before skin formation begins.
Technical data
| Parameter | Value |
|---|---|
| Product | WEICON Silicone F |
| Volume | 310 ml |
| Base | 1C polysiloxane oxime |
| Colour | transparent colourless |
| Consistency | liquid self-levelling |
| Curing mechanism | moisture curing |
| Viscosity | 30,000 mPa·s |
| Density | 1.03 g/cm³ |
| Application temperature | +5°C to +40°C |
| Curing conditions | +5°C to +40°C and 30–95% relative humidity |
| Skin formation time | 15 min |
| Curing rate in first 24 h | 2–3 mm |
| Maximum gap bridging | 3 mm |
| Maximum potting thickness | 10 mm |
| Tensile strength | 1.8 N/mm² |
| Elongation at break | 600% |
| Elongation at 0.2 N/mm² | 100% |
| Maximum movement capability | 20% |
| Volume change | 4% |
| Shore A hardness | 10 ± 5 |
| Thermal conductivity | 0.2 W/m·K |
| Dielectric strength | 17 kV/mm |
| Temperature resistance | -50°C to +180°C |
| Shelf life | 12 months unopened under normal climatic conditions |
Storage
The unopened product has a shelf life of 12 months when stored under normal climatic conditions, specified by the manufacturer as approximately +23°C and 50% relative humidity.
Safety
According to the current WEICON safety data sheet, Silicone F is not classified as a hazardous mixture under the CLP Regulation. Follow the current safety data sheet and standard occupational hygiene measures during use.
FAQ
Is WEICON Silicone F self-levelling?
Yes. The product has a liquid, self-levelling consistency and is suitable for applications such as potting, insulation and impregnation of technical components.
What maximum thickness can be used for potting?
The manufacturer permits sealing and potting of technical components up to a maximum of 10 mm. The maximum gap bridging value is 3 mm, which is a separate technical parameter.
Is Silicone F suitable for electrical and electronic applications?
Yes. The manufacturer lists the energy and electrical industries among its application areas. The product has a dielectric strength of 17 kV/mm.
How flexible is WEICON Silicone F after curing?
The current technical data sheet specifies an elongation at break of 600% and a maximum movement capability of 20%.
Which materials does Silicone F adhere to?
The manufacturer confirms good adhesion to materials including steel, aluminium, glass and ceramics. A suitability test and an appropriate primer may be required for demanding substrates.
What is the temperature resistance of the cured silicone?
The cured product is resistant to temperatures from -50°C to +180°C.
Product safety
Responsible person in the EU
WEICON GmbH & Co. KG
Königsberger Str. 255
48157 Münster, Germany
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