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재료의 물성비교표

PVdf ETFE FEP PTFE PFA LFE - NY
전기적 특성 절연 내력
(kV/mm
20~35 20~35 15~30 20~30 20~35 20~30 20~39 -
체적 저항률
(Ω/cm)
10¹⁴ 10¹⁶ 10¹⁸ 10¹⁸ 10¹⁸ 10¹⁶ 10¹⁴ -
유 전 율 3.5~8 2.6 2.1 2.1 2.1 3.8 5~6 -
유전 역률
(%)
5~25 0.2 0.03 0.02 0.02 - 2~3 -
기계적 특성 인장 강도
(kg/㎟)
7~8 6~7 6~7 1.5~3.0 1.5~3.0 1.6 1.5~2.0 4~7
신 장 율 (%) 350~450 200~300 100~300 100~300 100~300 350 500~600 100~300
비중 1.77 1.7 2.2 2.2 2.2 1.7 1.2~1.3 1.1~1.5
연화 온도 (℃) 149 270 285 327 305 - - 230
정격 온도 (℃) 105 150 200 250 250 200 105 90
난연성 Excellent Excellent Excellent Excellent Excellent Excellent Excellent Unsatisfactory
내열성 노화 저항 Excellent Excellent Excellent Excellent Excellent Excellent Very Good Very Good
열변형 저항 Excellent Excellent Excellent Excellent Excellent Excellent Very Good Very Good
내한성 Excellent Excellent Excellent Excellent Excellent Excellent Excellent Fair
내후성 Excellent Excellent Excellent Excellent Excellent Excellent Excellent Good
내오존성 Excellent Excellent Excellent Excellent Excellent Excellent Excellent Very Good
내유성 Excellent Highly Excellent Highly Excellent Highly Excellent Highly Excellent Excellent Good Very Good
내산성 Excellent Excellent Highly Excellent Highly Excellent Excellent Excellent Excellent Fair
내알카리성 Excellent Excellent Highly Excellent Highly Excellent Excellent Excellent Excellent Good