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WHAT IS PARYLENE

Parylene is the generic name for a family of polymers called the poly(para-xylylene) derivatives, Their most original feature is that they are made by the condensation and polymerisation of gaseous monomers, Polymerisation occurs at room temperature, with no solvents, initiators, or catalysts involved, and results in a high-molecular-weight linear polymer.

The polymer forms a pinhole-free, ultrathin film (50 nm to 100-200 mm) that is transparent, uniform, and continuous on all projecting surfaces of the substrate,
It possesses barrier properties that can be used in various applications,