Passing ASTM E595 testing for NASA low outgassing, Master Bond MasterSil 920-LO is a high performance, room temperature vulcanizing silicone for sealing, coating and small encapsulations. This single component system has a moderate, flowable viscosity and a solid electrical profile, which makes it well suited for conformal coating applications in the electronic and optical industries. Featuring a soft durometer of 25-35 Shore A, this low stress silicone can protect sensitive electronic components.
As a one part system, MasterSil 920-LO offers convenient handling with no mixing and has a neutral non-corrosive cure. Similar to other one component silicones, the curing mechanism is based on humidity, where the higher it is, the faster the cure. Its tack free time ranges from 45-60 minutes. MasterSil 920-LO bonds very well to a wide variety of substrates including metals, glass as well as many plastics and rubber materials. With its inherent flexibility, the compound can withstand rigorous thermal cycling and shock. It is also optically clear and has a refractive index of 1.43
It is serviceable over the wide temperature range of -175°F to +500°F and has a six month shelf life in its original, unopened packaging at room temperature. MasterSil 920-LO is available in syringes, 100 gram bottles, 200 gram bottles and pint containers.
Master Bond Optically Clear Adhesives
MasterSil 920-LO is high temperature resistant, flexible single part silicone that passes NASA low outgassing requirements. This low stress system also features impressive optical clarity. Read more about Master Bond's optically clear polymer adhesives at http://www.masterbond.com/properties/optically-clear-polymer-adhesives or contact Tech Support. Phone: +1-201-343-8983 Fax: +1-201-343-2132 Email: email@example.com.
For a full product description, please visit: http://www.masterbond.com/tds/mastersil-920-lo
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James Brenner, Marketing Manager
MASTER BOND INC.
154 Hobart Street
Hackensack, NJ 07601-3922