Dow DOWSIL™ MS-1002 Optical Grade Moldable Silicone

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Dow DOWSIL™ MS-1002 Optical Grade Moldable Silicone
Categories:	Polymer; Thermoset; Silicone
Material Notes:	LED lighting grade. DOWSIL™ silicone optical resins help increase design freedom and energy efficiency from high-performance buildings to outdoor-area illumination to advanced automotive styling. Compared to organic options, these specialty silicone liquid resins can maintain outstanding optical properties without yellowing with age under high temperatures. Product applications: Primary or secondary lenses, light pipes, light guides, and other optic devices Key Features: Lighter than glass Good mold flow; excellent feature reproduction Optically clear Information provided by Dow
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Mechanical Properties	Metric	English	Comments

Hardness, Shore A	72	72	ASTM D2240
Tensile Strength	11.2 MPa	1620 psi	ASTM D412
Elongation at Break	80 %	80 %	ASTM D412

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+18 ohm-cm	1.00e+18 ohm-cm

Optical Properties	Metric	English	Comments
Refractive Index	1.41 @Wavelength 633 nm	1.41 @Wavelength 633 nm
Transmission, Visible	89 % @Thickness 3.20 mm, Wavelength 380 nm	89 % @Thickness 0.126 in, Wavelength 380 nm
	91 % @Thickness 3.20 mm, Wavelength 450 nm	91 % @Thickness 0.126 in, Wavelength 450 nm
	94 % @Thickness 3.20 mm, Wavelength 760 nm	94 % @Thickness 0.126 in, Wavelength 760 nm

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PDOW9965 / 233168

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