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°æµµ (Durometer) 116 55 67 60 118
Èí¼öÀ² ( % 24h ) 0.5 < 0.01 <0.01 0.01 0.22
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(10-4§º/§¯¡¤s¡¤¡É)
0.25 6 8.5 8~12 5.5
¿¬¼Ó»ç¿ë¿Âµµ (¡É) 260 232 80 70 95
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ÀÎÀå°­µµ(kgf/§²) 970 140~350 450 200~390 615~700
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½ÅÀåÀ²(%) 50 200~400 300~400 200~1,300 20~75
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(KV / mm)
190 19.2 68 45~50 32
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3.2 >2.1 2.3 2.25 3.7
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wear strong acid
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wear alkali
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¢Â Å×ÇÁ·Ð°¡½ºÄÏÅ×ÀÌŸ½¬Æ®
Property
ASTM Test Method
Test Conditions
Units
PTFE
Physical Properties
Specific gravity
Water absorption
Mold shrinkage
Contact angle
 
 
D792
D570
 
 
 
 
 
24h 1.3"t
 
Angle in relation
to horizontal
 
 
%
cm/cm
degrees
 
 
2.13~2.22
< 0.00
0.02~0.05
104
 
Themal Properties
Thermal conductivity
Coefficient of liner thermal expansion
 
Melting point
 
C177
D696
 
 
 
 
23~60¡É
(73.4~140.0¢µ)
 
 
cal/sec/§¨ ¡É/§¨
1/¡É
 
¡É(¢µ)
 
6¡¿10-4
10¡¿10-5
 
327(608)
Melt viscosity
 
 
 
 
 
 
 
 
poise
 
 
1011~1013
(340~380¡É)
(644~716¢µ)
Maximum temperature for continuous use
    ¡É(¢µ) 260(500)
Mechanical Properties
Tensile strength
 
 
D638
 
 
23¡É(73.4¢µ)
 
 
MPa(psi)
 
 
14~34
(2,000~5,000)
Elongation
D638 23¡É(73.4¢µ) % 200~400
Compressive strength
 
D695
 
1%deformation;
 
MPa(psi)
 
4.9~5.9
(710~860)
 

Tensile elastic modulus
 
 
D638
 
25¡É(77.0¢µ)
23¡É(73.4¢µ)
 
 
MPa
(psi)
 
390
()57,000
Flexural modulus
 
D790
 
23¡É(73.4¢µ)
 
MPa
(psi)
490~590
(71,000~85,000)
Impact strength
Hardness
Deformation under load
 
Deformation under load
 
Static friction coefficient
D256
D636
D621
 
D621
 
 
23¡É(73.4¢µ)lzod
Durometer
100¡É(212¢µ)
6.9MPa(1001psi),24h
25¡É(77¢µ),
13.7MPa(1987psi),24h
coated-steel surface
ft-lb/in
Shore
%
 
%
 
 
3.0
D50~D65
5.0
 
7.0
 
0.02
Electrical Properties
Dielectric constant
Dielectric constant
Dissipation factor
Dissipation factor
Dielectric breakdown strength
Volume resistivity
 
D150
D150
D150
D150
D149
D257
 
103HZ
106HZ
103HZ
106HZ
Short time, 1/8in.
 
 
 
 
 
 
V/mil
ohm-cm
 
2.1
2.1
< 1¡¿10-5
2¡¿10-5
480
>1018
Chemical resistance
    Weatherability
Combustibiliy
 
 
 
D2863
 
 
 
Oxygen concentration
index
 
 
%
 
Excellent
Excellent
>95