Conformal Coatings

Property Parylene Parylene Thermo-Set Plastic Thermo-Set Plastic
type C type N paint paint
standard  limited availability  limited availability standard
Thickness – mm typical 0.01 0.02 0.13 0.15
Thickness – mm MAX. 0.02 0.05 0.25 0.4
Max working Temp. – ºC. 90 90 105 130
Dielectric Strength – kV/mm 220 10 10
Color transparent transparent off white green
Part Availability toroids & small beads toroids & small beads toroids , cable cores & bobbins toroids , cable cores & bobbins
OD< 9.5 mm, Length < 13 mm OD< 9.5 mm, Length < 13 mm OD > 9.5 mm OD > 9.5 mm
stress free stress free low stress low stress
Advantages thin layer thin layer high working temperature high working temperature
uniform coverage uniform coverage
limited to small parts limited to small parts larger parts only larger parts only
Disadvantages poor coverage in small places poor coverage in small places
Generic Type Parylene Type C Parylene Type N Polyurethane Enamel Epoxy – Polyamide
Flammability rating UL94 – V0 UL94 – V0 UL94 – V0 UL94 – V0
UL card # E140098 (5)