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  Fluoro
 

 

Fluoro(ºÒ¼Ò¼öÁö-Teflon)


Ź¿ùÇÑ ³»È­Çмº ¹× ³»¿­¼ºÀ» °¡Áö´Â ºÒ¼Ò¼öÁö´Â ºÒ¼ÒÈ­ÇÕ¹°ÀÇ Á¾·ù¿¡ µû¶ó ¸Å¿ì ´Ù¾çÇÑ Á¦Ç°µéÀÌ Àִµ¥ ±× ´ëÇ¥Àû Á¦Ç°À¸·Î PTFE, PVDF, PFA, FEP, PCTFE µîÀÌ ÀÖ´Ù. ÀÌµé °¢°¢¿¡´Â Á¦Á¶»ç¸¶´Ù µ¶¸³ÀûÀÎ »óÇ¥(Trade Name)¸¦ »ç¿ëÇÏ¿© ´Ù¾çÇÑ Á¦Ç°À» Ãâ½ÃÇÏ¿© »ç¿ëÇÏ°í ÀÖ´Ù. ÈçÈ÷ ¿ì¸®°¡ ¾Æ´Â TeflonÀº DuPont¿¡¼­ ³ª¿À´Â PTFEÀÇ Á¦Ç°¸í ÀÌ´Ù. ±× Ư¼ºÀÌ ¶Ù¾î³ª°í ´Ù¾çÇÑ °¡°ø¹æ¹ýÀ¸·Î ´Ù¾çÁ¦Ç°ÀÌ °¡´ÉÇÏ¿© »ê¾÷¿ë ¼ÒÀç¿¡¼­ ºÎÅÍ ÈĶóÀÌÆÒ, ¾Æ¿ôµµ¾îÄÚÆÃ¿ë µî ¸¹Àº ºÎºÐ¿¡¼­ »ç¿ëµÇ°í ÀÖ´Ù. ¼ø¼ö PTPE¿¡ ´Ù¾ç ÷°¡Á¦(filler : Glass, Carbonµî)¸¦ ³Ö¾î µ¶Æ¯ÇÑ ¼ºÁúÀÇ Á¦Ç°(»ý°í¹Ý Rulon)µéµµ ÁÖ¿äÇÏ°Ô »ç¿ëµÇ°í ÀÖ´Ù.

 

 
 

 


Ư¼º(PTFE-PolyTetraFluoroEthyllene)

ºÒ¼Ò¼öÁöÀÇ 3´ë Ư¡(ÃÖ°íÀÇ ³»¿­¼º +ÃÖ°íÀÇ ³»È­Çмº +ºñÁ¢Âø¼º).

³ôÀº ³»¿­¼º ¹× ³ÐÀº »ç¿ë¿Âµµ(-240¡ÆC to 260¡ÆC)

ÃÖ°íÀÇ ³»È­Çмº

ÃÖ°íÀÇ ³»Èļº(Weather resistance)

ÃÖÀú ¼öÁØÀÇ ¸¶Âû°è¼ö

³ôÀº ÀÎÀ强, ³»È­¿°¼º, FDA.

 

´Ù¾çÇÑ ºÒ¼ö¼öÁö È­ÇÐ¸í ¹× ´ëÇ¥ »óÇ¥¸í

PTFE, FEP, PFA - Teflon,® Neoflon®, Hyflon®

   (Fluorinated ethylene propylene)(Perfluoroalkoxy)

MFA - Hyflon®

ETFE - Tefzel®, Neoflon®(Ethylene tetra-fluoro ethylene)

ECTFE - Halar®(thylene chloro tri-fluoro ethylene)

PCTFE(or CTFE) - Neoflon®(originally Kel-F®)(Poly chloro tri-fluoro ethylene)

PVDF - Solef®, Hylar®, Kynar®(Poly vinyledene fluoride)

 

Rulon ®

the Saint Gobain Performance PlasticsÀÇ °íÀ¯ÇÑ »óÇ¥¸íÀ¸·Î PTFE¿¡ ´Ù¾çÇÑ ÇÊ·¯¸¦ µ¶Æ¯ÇÏ°Ô ¹èÇÕÇÏ¿© ¿ëµµº°(º£¾î¸µ, ³»¿­, °­µµ µî) ÃÖ°íÀÇ ¼º´ÉÀ» ¹ßÈÖÇÏ´Â Á¦Ç°À¸·Î LR,J, 641, AR, 142, 123µî ¸¹Àº Á¦Ç°µéÀÌ ÀÖ´Ù. ºñ½ÁÇÑ Á¦Ç°À¸·Î ºÎ»è¼¤¹ÝÀÇ Turcite°¡ ÀÖ´Ù.

ºÎ»è¼¤¹Ý¿¡ ³ª¿À´Â Á¦Ç°Àº ¸¶¸ðº£¾î¸µ¿ëÀÎ Turcite ÀÌ¿Ü¿¡µµ sealÁ¦Ç°Àº Turcon°ú Àü±âÈ­ÇÐ ¹× °í¼º´É º£¾î¸µ¿ëÀ¸·Î HiMod°¡ ÀÖ´Ù.

 

 

TYPICAL PROPERTIES of PTFE

ASTM or UL test

Property

PTFE
(unfilled)

PTFE
(25% glass filled)

PTFE
(25% carbon filled)

PHYSICAL

D792

Density (lb/in©ø)
(g/cm©ø)

0.078
2.16

0.081
2.25

0.075
2.08

D570

Water Absorption, 24 hrs (%)

< 0.01

0.02

0.05

MECHANICAL

D638

Tensile Strength (psi)

3,900

2,100

1,900

D638

Tensile Modulus (psi)

80,000

-

-

D638

Tensile Elongation at Break (%)

300

270

75

D790

Flexural Strength (psi)

No break

1,950

2,300

D790

Flexural Modulus (psi)

72,000

190,000

160,000

D695

Compressive Strength (psi)

3,500

1,000

1,700

D695

Compressive Modulus (psi)

70,000

110,000

87,000

D785

Hardness, Shore D

D50

D60

D62

D256

IZOD Notched Impact (ft-lb/in)

3.5

-

-

THERMAL

D696

Coefficient of Linear Thermal Expansion
(x 10
-5 in./in./¡ÆF)

7.5

6.4

6.0

D648

Heat Deflection Temp (¡ÆF / ¡ÆC)
at 264 psi


132 / 55


150 / 65


150 / 65

D3418

Melting Temp (¡ÆF / ¡ÆC)

635 / 335

635 / 335

635 / 335

-

Max Operating Temp (¡ÆF / ¡ÆC)

500 / 260

500 / 260

500 / 260

C177

Thermal Conductivity
(BTU-in/ft©÷-hr-¡ÆF)
(x 10
-4 cal/cm-sec-¡ÆC)


1.70
5.86


3.1
10.6


4.5
15.5

UL94

Flammability Rating

V-O

V-O

V-O

ELECTRICAL

D149

Dielectric Strength (V/mil) short time, 1/8" thick

285

-

-

D150

Dielectric Constant at 1 MHz

2.1

2.4

-

D150

Dissipation Factor at 1 MHz

< 0.0002

0.05

-

D257

Volume Resistivity (ohm-cm)at 50% RH

> 1018

> 1015

104


 

 

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