Gelest
Silicon, Germanium, Tin and Metal-Organic Compounds




Optical Coatings
Materials containing silicon and other metal atoms can be used in a wide range of optical applications. Silicone gels and elastomers can be used as cladding or sealing materials with high optical transmission. These materials can be adjusted to provide index matching of the substrate. UV curable acrylate modified silicones can provide index matching for polymethacrylates while epoxy modified silicone systems can add scratch resistance to polycarbonates. If UV cure is undesirable, silicone resins can be cured to surfaces thermally to provide scratch resistance and weather resistance. Metal-organic compounds can be used in vapor deposition techniques to apply coatings on surfaces. Silicones and silanes can be applied to optical fibers to provide lubricity, protection from moisture and help reduce breakage and surface fractions.

Gelest offers pre-formulated materials as well as raw materials. Application techniques and specific uses for these materials can be found in Gelest’s brochure, Optical Materials. Raw materials for producing gels and encapsulants, along with technical information, can be found in Gelest’s brochure, Reactive Silicones.

Some key products;

UV Cure
PP1-ZPUAZipconeTM UA UV Cure, index matching, clear silicone elastomer
PP1-ZPUEZipconeTM UE UV Cure, abrasion resistant, clear silicone elastomer
UMS-992(Acryloxypropyl)methylsiloxane homopolymer
EMS-232(Epoxycyclohexylethylmethylsiloxane)-Dimethylsiloxane copolymer
SIA0200.0Acryloxypropyltrimethoxysilane
SIM6487.6-06Methacryloxypropyltris(trimethylsiloxy)silane


Thermal Cure
Flexible optical encapsulant series
PP2-OE41Gelest OETM 41
PP2-OE41.2Gelest OETM 41.2   Accelerated cure
PP2-OE41.4Gelest OETM 41.4   Extended cure
PP2-OE41.6Gelest OETM 41.6   Low volatility
PP2-OE41.7Gelest OETM 41.7   Low volatility, in solution
PP2-OE42Gelest OETM 42


Silicone resin hard coatings
PP1-HSAMHardSilTM AM
PP1-HSAPHardSilTM AP


Clear specialty silicone gel elastomers
PP2-F065Gelest Gel F065
PP2-P065Gelest Gel P065


For a listing of some other Gelest products with optical applications, click here.

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