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 |