공부/기계공학

불소수지 특성표

좋은나라 2010. 9. 1. 12:51

 

 

불소수지 특성표 /Features of Various FLUOROPOLYMERS
특성 / Properties 단위Unit ASTM Test TFE FEP PFA ETFE CTFE PVdF VF
Method (PTFE) (PVF)
물리적성질 비중
Specific gravity
- D792 2.14-2.20 2.12-2.17 2.12-2.17 1.7 2.1-2.2 1.75-1.78 1.4
Physical 융점
Melting point
- 327 253~282 302~310 270 210~212 170 200~210
기계적성질 인장강도
Tensile strength
kgf/㎠ - 280~350 200~320 320 455 300~400 400~520 300~400
Mechanical 신장율
Elongation
% D638 200-400 250-330 280-300 200 80-250 100-300 150-200
  압축강도
Compressive strength
kgf/㎠ D695 120 150 - 500 320-520 600 -
  인장탄성율
Modulus of elasticity in tension
10³kgf/㎠ D638 4 3.5 - 8.4 10~20 8~16 11
  굽힘탄성율
Modulus of elasticity in bending
10³kgf/㎠ D790 3.5-6.3 6.7 6.7-7.0 14 17.6 14.0-18.0 -
  충격강도
IZOD Impact strength
㎏·㎝/㎝ D256 16.3 Not Destroyed Not Destroyed Not Destroyed 13.6-14.7 19.6-21.8 -
  경도
Hardness
Rockwell D785 R25 R25 - R50 R75-95 R110-115 -
  Durometer D1706 D55 D55 D60 D75 D74-90 D75-80 -
  정마찰계수
Static coefficient of friction
- - 0.05 - - - 0.25 0.1 0.3
  동마찰계수(7kg/㎠, 3m/분)
Dynamic coefficient of friction
- - 0.05 - - - 0.25 0.1 0.3
열적성질 Thermal 열전도도
Thermal conductivity
10-4 cal/cm·sec·℃ C177 5.9 6 - 5.7 4.7-5.3 3 4.9
  비열
Specific heat
cal/℃/g - 0.25 0.28 - 0.46-0.47 0.22 0.33 -
  선팽창계수
Coefficient of linear expansion
10-5/℃ D696 9.9
(23-66℃)
8.3-10.5
(-73~71℃)
12
(21-100℃)
9-9.3
(20-90℃)
4.5-7.0 8.5 3.95
  연속사용온도
Continuous service temperature
- 260 200 260 150 180 150 107
  열변형온도Heat distortion of temperature 4.6kgf/㎠-℃ D648 121 72 75 104 115 145 -
  18.5kgf/㎠ -℃ D648 55 50 48 74 76 90 -
전기적성질Electrical 체적저항율Volume resistivity Ω·㎝ D257 >1018 >1018 >1018 >1016 >1016 2.0x1014 4x1013
  표면저항율 Surface resistivity Ω D257 >1016 >1016 >1016 5x1014 - - -
  절연파괴강도 Dielectric strength (1/8inch)
KV/㎜
D149 16-24 20-24 20-24 16 20-24 10.2 -
  유전율60Hz Dielectric constant - D150 <2.1 2.1 2.1 2.6 2.24-2.8 8.4 -
  유전율103Hz Dielectric constant - D150 <2.1 2.1 2.1 2.6 2.24-2.7 7.72 7.4
  유전율106Hz Dielectric constant - D150 <2.1 2.1 2.1 2.6 2.3-2.5 6.43 -
  유전정접60Hz Dielectric (Power) constant   D150 <0.0002 <0.0002 0.0002 0.0006 0.0012 0.049 -
  유전정접103Hz Dielectric (Power) constant - D150 <0.0002 <0.0002 0.0002 0.0008 0.023-0.027 0.018 0.016
  유전정접106Hz Dielectric (Power) constant - D150 <0.0002 <0.0002 0.0005 0.005 0.009-0.017 0.17 -
  내ARC성 Arc resistance sec D495 >300 >300 - 75 >360 50-70 -
화학적성질 내산성 Acid-proofness - D543 Excellent Excellent Excellent Excellent Excellent Good Good
Chemical 내 알카리성 Alkaline-proofness - D543 Excellent Excellent Excellent Excellent Excellent Good Good
  내용제성 Resistance to solvents - D543 Excellent Excellent Excellent Excellent Excellent 케톤 또는 극성용매에 약함 -
내구성 연소성Combustibility - D635 不然 不然 不然 不然 不然 自己消化 自己消化
Durability 흡수율Water absorption - D570 <0.01 <0.01 0.03 0.029 0 0.04 <0.5