Mica washer natural mica washers are circular punched and stamped natural mica parts with round openings in the center suitable for electrical and electronic applications. Such natural mica washers can also be bonded into considerable lengths with shellac, epoxy or silicone binders to form a solid roll which is then called bonded mica washers. Maximum use is in railways and grid resistors.

Mica washer natural mica washers are circular punched and stamped natural mica parts with round openings in the center suitable for electrical and electronic applications. Such natural mica washers can also be bonded into considerable lengths with shellac, epoxy or silicone binders to form a solid roll which is then called bonded mica washers. Maximum use is in railways and grid resistors.