불소수지 ENGINEERING PLASTICS
특성 / Properties 단위Unit ASTM Test TFE ETFE FEP PFA PCTFE ECTFE VDF VF PEEK CERA-ZOLE VESPEL ULTEM
Method (PTFE) (PVDF) (PVF) (PBI) (PI) (PEI)
물리적성질
Physical
비중
Specific gravity
- D792 2.13-2.22 1.70-1.76 2.12-2.17 2.12-2.17 2.10-2.18 1.68-1.70 1.75-1.78 1.38 1.31 1.3 1.43 1.27
융점
Melting point
- 327 260 270 302-310 210-212 245 160-180 195-205 340 - - -
기계적성질
Mechanical
인장강도
Tensile strength
kgf/㎠ - 140-350 410-470 190-220 280-315 320-420 420-490 385-490 700-1300 1000 1630 875/f 1260
신장율
Elongation
% D638 200-400 420-470 250-330 280-300 80-250 100-250 50-100 100-250 20 3 7.5 23
압축강도
Compressive strength
kgf/㎠ D695 50-60 109 50-60 50-60 90-120 - 128-140 - 1210 1590 1351/f 1200
인장탄성율
Modulus of elasticity in tension
kgf/㎠ D638 4 8.4 3.5 - 10-20 - 8-16 11 - 59 - -
굽힘탄성율
Modulus of elasticity in bending
10³kgf/㎠ D790 6 9-14 5.5-6.5 6.6-7 13-18 16.8 14-18 - 41 - - -
충격강도
IZOD Impact strength
㎏·㎝/㎝ D256 16.3 Not Destroyed Not Destroyed Not Destroyed 13.6-14.7   19.6-21.8 - 77 46 0.8(ft-1b/in) 42
경도
Hardness
Rockwell D785 R25 R50 R25 - R75-95   R110-115 - R120 R129 E55 R128
Durometer D1706 D55 D75 D55 D60 D74-90 D75 D75-80 - D105 D128 - D116
정마찰계수
Static coefficient of friction
- - 0.02 0.06 0.05 0.05 0.08 0.15 0.4 0.3 - - - -
동마찰계수
(7kg/㎠, 3m/분)
Dynamic coefficient of friction
- - 0.05 0.06 0.05 0.05 0.08 0.15 0.4 0.3 - - - -
열적성질
Thermal
열전도도
Thermal conductivity
10-4 cal/cm·sec·℃ C177 5.9 5.7 6 - 4.7-5.3   3 4.9 6 - - -
비열
Specific heat
cal/℃/g - 0.25 0.46-0.47 0.28 - 0.22   0.33 - - - - -
선팽창계수
Coefficient of linear expansion
10-5/℃ D696 5.5
(23-66℃)
5-9
(20-90℃)
8.3-10.5
(-73~71℃)
12
(21-100℃)
4.5-7.0 8.0 4.2 5.0 4.7<143'c 2.5 5.4 5.6
연속사용온도
Continuousservice temperature
- 260 150 200 260 120 150 120 150 250 345 255 170
열변형온도
Heat distortion of temperature 
4.6kgf/㎠ (°c)  D648 121 104 72 75 115   145 - - - - 210
18.5kgf/㎠ (°c)  D648 55 74 50 48 76   90 - 150 435 ~350 200
전기적성질
Electrical
체적저항율
Volume resistivity
Ω·㎝ D257 >1018 >1016 >1018 >1018 >1016   2.0x1014 4x1013 4.9X1016 >10 - 10
표면저항율
Surface resistivity
Ω D257 >1016 5x1014 >1016 >1016 -   - - - - - -
절연파괴강도
Dielectric strength
(1/8inch)
KV/㎜
D149 16-24 16 20-24 20-24 20-24   10.2 - - 23 - 33.3
유전율60Hz
Dielectric constant
- D150 <2.1 2.6 2.1 2.1 2.24-2.8   8.4 - 3.4 - - -
유전율
103Hz
Dielectric constant
- D150 <2.1 2.6 2.1 2.1 2.3-2.7 2.5 7.72 8.5 3.4 - - -
유전율
106Hz
Dielectric constant
- D150 <2.1 2.6 2.1 2.1 2.3-2.5 2.5 6.43 - 3.4 3.4 - 3.15
유전정접
60Hz
Dielectric
(Power) constant
  D150 <0.0002 0.0006 <0.0002 0.0002 0.0012   0.049 - - - - -
유전정접
103Hz Dielectric
- D150 <0.0001 0.0008 <0.00006 0.00001 0.023-0.027 0.003 0.019 0.016 - - - -
유전정접
106Hz
Dielectric
(Power) constant
- D150 <0.0001 0.005 <0.0005 0.0003 0.01 0.009 0.159 - - - - 0.0013
내ARC성 Arc resistance sec D495 >300 75 >300 - >360   50-70 - - - - -
화학적성질
Chemical
내산성Acid-proofness - D543 Excellent Excellent Excellent Excellent Excellent Excellent Good Good Good Normal - Good
내 알카리성
Alkaline-proofness
- D543 Excellent Excellent Excellent Excellent Excellent Excellent Good Good Excellent Normal - Good
내용제성
Resistance to solvents
- D543 Excellent Excellent Excellent Excellent Excellent Excellent 케톤 또는 극성용매에 약함 - Excellent Good - Normal
내구성
Durability
연소성Combustibility - D635 不然 不然 不然 不然 不然   自己消化 自己消化 不然 - - -
흡수율
Water absorption
- D570 <0.01 0.029 <0.01 0.03 0   0.04 <0.5 <0.14 - 0.24 0.25