The two-component MasterSil 151 Med is a medical-grade potting and encapsulation silicone that cures optically clear, at room temperature, with a refractive index of 1.43. Shrinkage upon cure is less than 0.1%, and when cured, the compound has a Shore A hardness of 45 and an elongation at break of 160%.
The compound also has a low viscosity of 1,500 cps, a volume resistivity of 1 x 1015 Ω-cm and can handle service over a temperature range of –65° to 400°F. Tensile strength is 880 psi at 73°F, and mix ratio is 10 to 1 by weight. (Contact James Brenner for pricing and availability.)
Master Bond , Hackensack , NJ
James Brenner 201-343-8983
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