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Modern grey bathroom. Spa interior. 3d rendering soaker tub

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Play room with bright colored toys

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Explore the benefits of silicone optics

Moldable optical silicone elastomers offer unprecedented possibilities crossing the boundaries of thermoplastics and glass optics. Explore other benefits across our case studies and support resources.

Optical performance

Dow’s moldable optical silicones deliver high light transmission and low absorbance from UV to near-infrared. Unlike alternatives that rely on stabilizers, they are inherently UV and heat stable, helping maintain long-term optical clarity and performance.

Mechanical/elastomer performance

Dow’s moldable optical silicones combine flexibility, toughness, and high elongation with a range of hardness options. They support complex designs, reduce weight through lower density, and offer good impact and scratch resistance.

Combining with other materials

Dow’s optical silicones can be co-molded with other silicones or overmolded onto thermoplastics and metal inserts. Mechanical interlocking or primer-assisted chemical bonding provides reliable integration across material interfaces.

Processing

Dow’s two-part, heat-curable liquid optical silicones feature low viscosity for excellent mold flow. Compatible with standard Liquid Injection Molding (LIM), they enable complex part geometries and precise replication of engineered surface features.

Fixing silicone optics

Dow’s silicone optics can be secured using mechanical fastening, Dow silicone adhesives such as DOWSIL™ 744 or DOWSIL™ 7091, and DOWSIL™ 3140, or integrated into a pick-and-place reflow process.

Compliance with international regulations

Used by major automotive and industrial OEMs, Dow’s moldable optical silicones have been tested for weathering, impact, abrasion, chemical resistance, flammability, and ingress to help meet UL, AMECA, SAE, and FMVSS requirements.