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Ư¼º /
Properties
´ÜÀ§ /
Unit
ASTM Test
Method
TFE
(PTFE)
FEP PFA
¹°¸®Àû¼ºÁú
Physical
ºñÁß
Speacific gravity
- D792 2.14-2.20 2.12-2.17 2.12-2.17
À¶Á¡
Melting point
¡É D3418 327 253~282 302~310
±â°èÀû¼ºÁú
Mechanical
ÀÎÀå°­µµ
Tensile strength
kgf/§² D638 280~350 200~320 320
½ÅÀåÀ²
Elongation
% D638 200-400 250-330 280-300
¾ÐÃà°­µµ
Compressive
strength
kgf/§² D695 120 150 -
ÀÎÀåź¼ºÀ²
Modulus of
elasticity in tension
10©økgf/§² D638 4 3.5 -
±ÁÈûź¼ºÀ²
Modulus of
elasticity in bending
10©økgf/§² D790 3.5-6.3 6.7 6.7-7.0
Ãæ°Ý°­µµ
IZOD Impact strength
§¸¡¤§¯/§¯ D256 16.3 Not
Destroyed
Not Destroyed
°æµµ
Hardness
Roc
kwell
D785 R25 R25 -
Duro
meter
D2240 D55 D55 D60
¿­Àû¼ºÁú
Thermal
¿­Àüµµµµ
Thermal
conductivity
10-4 cal/
cm¡¤sec¡¤¡É
C177 5.9 6 -
ºñ¿­
Specific heat
cal/¡É/g D240 0.25 0.28 -
¼±ÆØÃ¢°è¼ö
Coefficient of
linear expansion
10-5/¡É D696 9.9
(23-66¡É)
8.3-10.5
(-73~71¡É)
12
(21-100¡É)
¿¬¼Ó»ç¿ë¿Âµµ
Continuousservice
temperature
¡É - 260 200 260
¿­º¯Çü¿Âµµ
Heat distortion
of
temperature
4.6kgf/
§² -¡É
D648 121 72 75
18.5kgf/
§² -¡É
D648 55 50 48
Àü±âÀû¼ºÁú
Electrical
üÀûÀúÇ×À²
Volume
resistivity
¥Ø¡¤§¯ D257 >1018 >1018 >1018
Ç¥¸éÀúÇ×À²
Surface resistivity
¥Ø D257 >1016 >1016 >1016
Àý¿¬ÆÄ±«°­µµ
Dielectric strength
(1/8inch)
KV/§®
D149 16-24 20-24 20-24
À¯ÀüÀ²60Hz
Dielectric constant
- D150 <2.1 2.1 2.1
À¯ÀüÀ²103Hz
Dielectric constant
- D150 <2.1 2.1 2.1
À¯ÀüÀ²106Hz
Dielectric
constant
- D150 <2.1 2.1 2.1
È­ÇÐÀû¼ºÁú
Chemical
³»»ê¼º
Acid-proofness
- D543 Excellent Excellent Excellent
³» ¾ËÄ«¸®¼º
lkaline-
proofness
- D543 Excellent Excellent Excellent
³»¿ëÁ¦¼º
Resistance to
solvents
- D543 Excellent Excellent Excellent
³»±¸¼º
Durability
¿¬¼Ò¼º
Combustibility
- D635 Incombusti
bility
Incombusti
bility
Incombusti
bility
Èí¼öÀ²
Water
absorption
- D570 <0.01 <0.01 0.03
Ư¼º /
Properties
´ÜÀ§ /
Unit
ETFE CTFE VdF
(PVdF)
VF
(PVF)
¹°¸®Àû¼ºÁú
Physical
ºñÁß
Speacific gravity
- 1.7 2.1-2.2 1.75-1.78 1.4
À¶Á¡
Melting point
¡É 270 210~212 170 200~210
±â°èÀû¼ºÁú
Mechanical
ÀÎÀå°­µµ
Tensile strength
kgf/§² 455 300~400 400~520 300~400
½ÅÀåÀ²
Elongation
% 200 80-250 100-300 150-200
¾ÐÃà°­µµ
Compressive
strength
kgf/§² 500 320-520 600 -
ÀÎÀåź¼ºÀ²
Modulus of
elasticity in tension
10©økgf/§² 8.4 11
±ÁÈûź¼ºÀ²
Modulus of
elasticity in bending
10©økgf/§² 14 17.6 14.0-18.0 -
Ãæ°Ý°­µµ
IZOD Impact strength
§¸¡¤§¯/§¯ 13.6-14.7 19.6-21.8 -
°æµµ
Hardness
Rock
well
R50 R75-95 R110-115 -
Duro
meter
D75 D74-90 D75-80 -
¿­Àû¼ºÁú
Thermal
¿­Àüµµµµ
Thermal
conductivity
10-4 cal/
cm¡¤sec¡¤¡É
5.7 4.7-5.3 3 4.9
ºñ¿­
Specific heat
cal/¡É/g 0.46-0.47 0.22 0.33 -
¼±ÆØÃ¢°è¼ö
Coefficient of
linear expansion
10-5/¡É 9-9.3
(20-90¡É)
4.5-7.0 8.5 3.95
¿¬¼Ó»ç¿ë¿Âµµ
Continuousservice
temperature
¡É 150 180 150 107
¿­º¯Çü¿Âµµ
Heat distortion
of
temperature
4.6kgf/
§² -¡É
- 115 145 -
18.5kgf/
§² -¡É
74 76 90 -
Àü±âÀû¼ºÁú
Electrical
üÀûÀúÇ×À²
Volume
resistivity
¥Ø¡¤§¯ >1016 >1016 2.0 X 1014 4 X 1013
Ç¥¸éÀúÇ×À²
Surface resistivity
¥Ø 5x1014 - - -
Àý¿¬ÆÄ±«°­µµ
Dielectric strength
(1/8inch)
KV/§®
16 20-24 10.2 -
À¯ÀüÀ²60Hz
Dielectric constant
- 2.6 2.24-2.8 8.4 -
À¯ÀüÀ²103Hz
Dielectric constant
- 2.6 2.24-2.7 7.72 7.4
À¯ÀüÀ²106Hz
Dielectric
constant
- 2.6 2.3-2.5 6.43 -
È­ÇÐÀû¼ºÁú
Chemical
³»»ê¼º
Acid-proofness
- Excellent Excellent Good Good
³» ¾ËÄ«¸®¼º
lkaline-
proofness
- Excellent Excellent Good Good
³»¿ëÁ¦¼º
Resistance to
solvents
- Excellent Excellent ÄÉÅæ ¶Ç´Â
±Ø¼º¿ë¸Å¿¡
¾àÇÔ
-
³»±¸¼º
Durability
¿¬¼Ò¼º
Combustibility
- Incombusti
bility
Incombusti
bility
Self-
Extinguishing
Self-
Extinguishing
Èí¼öÀ²
Water
absorption
- 0.029 0 0.04 <0.5