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New low viscosity silicone compound

03 September 2007

MasterSil 151 is a new two-component, low viscosity silicone compound for high performance casting, potting and encapsulation, introduced by Master Bond. This formulation is designed to cure at room temperature, or more rapidly at elevated temperatures. MasterSil 151 has superior electrical insulation properties, high tensile strength, and superb optical clarity. It has a service operating temperature range of -65°F to +400°F.

MasterSil 151 is tough and flexible, and has an elongation at break of 160% and a Shore A hardness of 45. It has superior resistance to vibration, impact and shock, and is also resistant to thermal cycling. MasterSil 151 has a dielectric strength of 460 volts/mil, and a volume resistivity of 1x1015 ohm cm.

Master Bond MasterSil 151 has a 10:1 mix ratio by weight. It's low viscosity assures complete fill-in around complicated contours in even very complicated configurations, and shrinkage upon cure is very low. Shelf life in original containers is six months at 75°F.

MasterSil 151 is available for use in half- pint, pint, quart, gallon and 5 gallon kit containers.


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