Dowsil

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Since its first pioneering research into silicones, Dowsil has gained the experience that has made it a leading authority in silicones worldwide.
Dowsil silicones play a key role in helping industry meet the needs of the future.

Adhesives and Sealants

Many components in the automotive, electronics, electrical and engineering industries require seals or gaskets to protect against dust and moisture or to prevent gas and liquid leakage.

Typical characteristics of Dowsil sealants are:
Excellent resistance to prolonged compression set, even at extreme temperatures.
Good adhesion to all substrates.
Long-term stability over a very wide temperature range (-60°C to > 200°).
Resistance to oil, water, coolants, detergents and many other chemicals.
Resistance to various climatic factors (UV, ozone, oxidation).
Excellent electrical properties.
Low flammability and toxicity near heat sources.
Do not require solvents during the process

Products for electronics

Dowsil has always been a world-leading authority in silicones. The Electronics Division is entirely dedicated to the development of products and technologies dedicated to the world of electronics, from semiconductor production through to assembly.In electronics, silicones are preferred for the following characteristics: excellent dielectric properties, excellent weathering resistance, stability over a wide temperature range, good adhesion to a wide variety of substrates, lower stress on components, resistance to ultraviolet radiation and chemicals.Products can be used for applications in modules, connectors, sensors, PCBs and many more. The Dowsil range includes:

Silicone adhesives and sealants, designed for clamping components, sealing joints and protecting delicate components.
Silicone Conformal Coatings for protecting printed circuit boards from moisture, contaminants, mechanical abrasion, thus preventing short circuits and increasing board life. The products conform to the circuit and protect it for a long time.
Silicone-based encapsulants and gels, designed to electrically insulate and protect electronic components from aggressive chemicals, mechanical stress and external tampering. The gels are particularly suitable for sensitive components.
Heat-conducting gels developed to meet the ever-increasing need to dissipate heat in components that are becoming smaller, more powerful and faster. Dowsil thermal conductives are available both in wet form, i.e. to be cured, and in film or mat form.

Lighting

In Lighting, Dowsil is fully dedicated to the development of products and technologies specifically dedicated to semiconductor manufacturing, LED packaging, moulding of optics, up to the assembly of lamps and luminaires.The Dowsil range includes:

Optically transparent printable silicones for the production of optics
Optical encapsulants that have an optimised refractive index to maximise luminous flux.
Gels and thermal encapsulants that ensure reliable LED module performance even under the harshest conditions, with the best sealing. They protect delicate system components, including connectors, circuits and power supplies, by dissipating damaging heat and absorbing the noise component.
Thermal interface materials developed to meet the ever-increasing need to dissipate heat in components that are becoming smaller, more powerful and faster.
Adhesives and sealants to form excellent junctions and seals on a wide range of substrates commonly used in LED applications.
Conformal coatings to protect delicate LED-related electronics from moisture, thermal stress and critical weather conditions.

Silicone Fluids and Compounds

Dowsil silicone fluids are particularly interesting for use at very high temperatures as diathermic oils and base fluids for the formulation of special lubricants.silicone compounds are used as release agents or as protective, lubricating and sealing agents for electrical connections, battery terminals, switches, O-rings.
Their use as reliable and long-lasting lubricants for metal-plastic and metal-rubber combinations is becoming increasingly widespread, with the following benefits for users

Longer service life
Reduced costs
Increased productivity
Reliable performance under difficult conditions

Photovoltaic

Dowsil silicone products improve the efficiency, lifetime and performance of solar panels and photovoltaic devices, making them more technically and economically viable.While solar cells are made of silicon, silicones are used during the assembly and installation of modules as encapsulating and insulating coatings, adhesives and sealants.The most common applications in the photovoltaic industry are :

Cell coating and encapsulation
Junction-box encapsulation and bonding
Bonding and sealing of frames, rails and supports
Because they are able to withstand the sun’s relentless rays year after year, silicones are ideal and unsurpassed materials for both solar and photovoltaic (PV) panel applications.

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