MS151 two-part silicone optical adhesive has a reported refractive index of 1.43 and is for optical potting, casting and encapsulation. Cures at room temperature; is said to provide electrical insulation and resistance to vibration, impact, shock and thermal cycling. Shrinkage on cure is less than 0.1%. Dielectric strength is 460 V/mil and volume resistivity is 1x10E15 ohm-cm. Exhibits elongation-at-break of 160%. Operating temperature range is -65° to +400°F (-64° to 205°C).
 
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