Design Engineering

Master Bond silver-filled silicone adhesive

By DE staff   

Materials Aerospace

Master Bond MasterSil 323S-LO is an addition cured silicone that is not only electrically conductive, but also thermally conductive. This ASTM E-595 low outgassing rated product is designed for bonding applications where low stress is critical and is appropriate for use in vacuum environments. It can be utilized in the aerospace, electronic, opto-electronic and specialty OEM industries.

MasterSil 323S-LO offers flexibility and toughness, with a Shore A hardness of 35 to 55, a low tensile modulus of less than 800 psi and an elongation of 50-100%, measured at 75°F. This enables it to withstand aggressive thermal cycling and mechanical shock, while offering a wide service temperature range from -80°F to +400°F [-62°C to +204°C]. MasterSil 323S-LO is a silver filled compound that has a volume resistivity of less than 0.003 ohm-cm and a thermal conductivity of 9-11 BTU•in/(ft2•hr•°F) [1.30-1.59 W/(m•K)] at room temperature. It bonds well to a wide variety of substrates, including metals, composites, glass, ceramics, rubbers as well as many types of plastics.

www.masterbond.com

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