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  Fluoro Elastomer

Fluoro Elastomer(ºÒ¼Ò°í¹«)


ºÒ¼Ò°í¹«´Â °í¹«ÀÇ Ç¥ÁØÀû ¸í¸íÀÇ ±âÁØÀÌ µÇ´Â ASTM D1418-6¿¡ ÀÇÇÏ¿© MonomerÀÇ Á¾·ù¿¡ µû¶ó FKM, FFKM, FEPM 3°¡Áö·Î ºÐ·ùÇϴµ¥ ÇöÀç´Â ºÒ¼Ò°í¹«ÀÇ ¾à 80% ÀÌ»óÀÌ FKMÀÌ´Ù. FKMÀº ´Ù½Ã È­ÇÐÀû ±¸¼º, ºÒ¼ÒÁ¶¼ººñ ¹× ¿¬°á±¸Á¶¿¡ µû¶ó Type1, type2,  Type3, Type4, Type5·Î ±¸ºÐµÈ´Ù.


»ó¿ëÈ­Á¦Ç°

FKM :   DuPont Viton, Daikin DAI EL, 3M Dyneon, Solvay Tecoflon

FEPM : AFLAS, Dyneon BRF

FFKM : DuPont Kalrez, Aegis, Chemraz, Simriz, Dynalast


»ç¿ë¿Âµµ    

FKM(Viton)           -26¡É~204¡É

FEPM(AFLAS)         -4¡É~232¡É

FFKM(Kalrez)         -18(-26)¡É~232(310)¡É, ÃÖ°íÀÇ ³»È­Çмº


Viton

Viton : DuPont Dow¿¡¼­ ÃÖÃÊ·Î »ó¿ëÈ­ÇÑ ºÒ¼Ò°í¹«ÀÇ »óÇ¥¸í, Viton¿¡´Â ¿©·¯ °¡Áö ±×·¹À̵尡 ÀÖÀ¸¸ç °¢°¢ ºÒ¼ÒÇÔ·®ÀÌ ´Ù¸¦ »Ó ¾Æ´Ï¶ó, ºÎÇ®¾î ¿À¸£´Â Çö»ó, ¾ÐÃà³»¼º ¹× °¡°ø¼ºÀÌ °¢°¢ ´Ù¸£´Ù.

 

Viton®Family

Ÿ ÀÔ

ÁÖ ¿ë µµ

Æú¸®¸Ó ŸÀÔ

ºÒ¼ÒÇÔ·®

A

A, AL

¹ü¿ë¾Á : ÀÚµ¿Â÷, Ç×°ø±â, ¿¬·áÀ±È°À¯

Dipolymers of VF2/HFP

~67%

B

B, BL, GBL-S*

È­ÇÐ󸮰øÀå, PowerUtilitySeals&Gaskets

Terpolymers of VF2/HFP/TFE

~68%

F

F, GF-S

Oxygenated Automotive fuels.  Concentrated aqueous inorganic acids, water, steam

Terpolymers of VF2/HFP/TFE

~69%

Viton®  Extreme¢â

TBR-S, ETP-S

Automotive&Off-Road-HighpHlubricants,greases,&Coolants.

Copolymers of  TFE/Propylene and Ethylene/TFE/PMVE

~60-65%

OilExploration/Production-DrillingMuds,SourWells.

Specialsealingrequirements-solvents,coatings,ultraharshenvironments(ETP)


Standard and Speciality Types

Low Temp. Flexibility  TR-10, ¡ÆC

Compression Set, O-rings  70 h/200¡ÆC, %

Fluid Resistance

Base Resistance

% Volume Increase after 168 h

% loss of elongation  at break

Toluene  at 40¡ÆC

Fuel C/MeOH (85/15) at 23¡ÆC

Methanol at 23¡ÆC

ConcentratedH2SO4at70¡ÆC

33% solution of KOH 336h/40¡ÆC

ASTM Ref. Oil 105 500h/150¡ÆC

AL

-19

20-25

20-25

35-40

85-95

85-95

-50

-80

A

-17

12-17

20-25

35-40

85-95

85-95

-45

-80

BL, GBL-S

-15

25-40

12-15

20-25

25-35

25-35

-25

-65

B

-13

25-30

12-15

18-23

25-35

25-35

-25

-70

ETP-S

-11

45-50

6-8

8-10

1-2

1-2

0

-10

GFLT-S

-24

35-40

8-12

10-15

3-5

3-5

-30

-40

GBLT-S

-26

35-40

12-15

27-32

25-35

25-35

-40

-50

F

-8

30-45

8-12

5-10

3-5

3-5

-50

-55

GF-S

-8

30-45

8-12

5-10

3-5

3-5

-45

-50

TBR-S

3

45-50

60-65

80-90

-

-

-10

-20


Fluorosilicone(ºÒ¼Ò½Ç¸®ÄÜ)

fluorovinylmethyl silicone rubber,

-26¡É~204¡É

¼Öº¥Æ®, ¿¬·á, ¿ÀÀÏ µî¿¡ ³»¼º, ¿­Àû ¾ÈÁ¤¼º

¡¡

Neopren

Ethylene 

Buna-N 

Fluoro- 

Fluoro- 

Perfluoro-

 

propylene 

nitrile 

silicone 

elastomer 

elastomer

ASTM Code

CR

EPM

NBR

FVMQ

FKM(Viton®

FFKM(Kalrez)

Hardness durometer

20 to 90

40 to 80

40 to 95

40 to 80

55 to 95

65 to 95

(Shore  A)

Tensilestrength(lb/in2)

3,000

2,500

2,500

900

2,500

2,000

Wear resistance

G

G

G

N

G

G

Fireproof hydraulic fluids

R

VG

N

VG

R

E

Lubricating oils

G

N

G

E

E

E

Fuel oils

R

N

G

E

E

E

Hydraulic oils

G

N

E

E

E

E

Vegetable Oils

G

R

E

E

E

E

Animal Fats

G

R

E

E

E

E

Petrol (normal)

R

N

VG

E

E

E

Petrol (high-octane)

N

N

G

E

E

E

Kerosene

R

N

VG

E

E

E

Aromatic hydrocarbons

N

N

R

VG

E

E

Aliphatic hydrocarbons

G

N

VG

E

E

E

Water (under 80¡ÆC)

R

E

VG

E

E

E

Water (above 80¡ÆC)

N

E

R

E

E

E

Alcohols

E

E

VG

E

E

E

Ketones

N

G

N

N

N

E

Concentrated acids

N

R

N

G

VG

E

Diluted acids

G

G

R

VG

E

E

Alkalis

G

VG

R

R

N

E

Halogenated solvents

N

N

R

VG

VG

VG

Max. temp. at continuous service

105¡ÆC

135¡ÆC

135¡ÆC

200¡ÆC

204¡ÆC

316¡ÆC

Compression set

VG

G

VG

G

VG

G

Flame-resistant

yes

no

no

no

yes

yes

 

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