Type of Enamel | Temperature Index | Features |
---|---|---|
Polyvinyl formal modified | 120 | High mechanical, Hydrolysis resistance |
Polyurethane modified | 155 to 180 | Solderable, Good flexibility, Better moisture resistance |
Polyester-imide modified | 180 | Good electrical properties |
Polyester-imide modified + Polyamide-imide | 200 | High temperature, Better dielectric values, Better moisture resistance |
Polyamide-imide | 220 | Better thermal properties |
Polyimide | 240 | Better flexibility, Better chemical compatibility High dielectric values |
Type of Tape | Maximum Temperature | Features |
---|---|---|
Cotton | 105oC | Low cost, Good abrasion resistance |
Cellulosic Papers ( Kraft paper / Crepe Paper) | 120oC | Better electrical values, Better bending values for crepe paper |
Polyester (PET) | 135oC | High dielectric strength, Good abrasion resistance |
Nomex ( Aromatic Polyamide) | 220oC | Excellent thermal properties, Excellent electrical properties, Good abrasion resistance, |
Polyimide Kapton | 220oC(upto 400oC under certain conditions) | Very high dielectric strength, Very good chemical resistance, Excellent mechanical properties |
Fiber Glass | Ultimate operating temperature determined by application and glass type | Excellent electrical properties at high temperature, Excellent solvent resistance |
Mica | Ultimate operating temperature determined by application and glass type | Excellent electrical properties at high temperature, Flame resistant, Retains electrical properties during and after exposure to fire |
Type of Yarn | Maximum Temperature | Features |
---|---|---|
Cotton | 105oC | Low cost, Good abrasion resistance |
Polyamide (Nylon) / Polyester | 130oC | Excellent abrasion resistance, Solderable |
Glass / Polyester | 155oC | Good abrasion resistance, Solderable |
Glass | >180oC | Better Electrical properties at high temperatures |