Online Plastics® stocks Mar-Bal Glastic standoff insulators. These insulators are high strength, shatter, moisture and flame resistant. They are UL recognized as follows: Standoff insulators 1603, 2015, 1461, 1872, 4610 and 4640 are UL Safety 891 recognized. In addition they are shatter resistant and have closer height tolerances than porcelain insulators.
Features:
Available in many styles
High-strength
Shatter Resistant
Moisture Resistant
Closer height tolerances can be achieved than with porcelain insulators