Dielectric Constants of Insulations

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Insulation Materials Nominal
EPR 2.24
Kynar® 6.4
Nylon 4.0
Polyester 2.80
Polyethylene (Cellular) 1.50
Polyethylene (Cross-Linked) 2.30
Polyethylene 2.26
TFE (Cellular) 1.4
Polyethylene (High Density) 2.34
Polyethylene (Low Density) 2.28
Polypropylene 2.24
Silicone Rubber 2.6
Polyvinyl Chloride 2.7
Polyvinyl Chloride (Irradiated) 2.7
Polyvinyl Chloride (Semi-Rigid) 4.3
FEP 2.15
TFE 2.15
Tefzel 2.6
FEP (Cellular) 1.5

Kynar® is a registered trademark of Penwalt

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