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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
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Ÿ ÀÔ
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ÁÖ ¿ë µµ
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Æú¸®¸Ó ŸÀÔ
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ºÒ¼ÒÇÔ·®
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A
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A, AL
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¹ü¿ë¾Á : ÀÚµ¿Â÷, Ç×°ø±â, ¿¬·áÀ±È°À¯
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Dipolymers of VF2/HFP
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~67%
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B
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B, BL, GBL-S*
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ÈÇÐ󸮰øÀå, PowerUtilitySeals&Gaskets
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Terpolymers of VF2/HFP/TFE
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~68%
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F
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F, GF-S
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Oxygenated Automotive fuels. Concentrated aqueous inorganic acids, water, steam
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Terpolymers of VF2/HFP/TFE
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~69%
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Viton® Extreme¢â
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TBR-S, ETP-S
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Automotive&Off-Road-HighpHlubricants,greases,&Coolants.
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Copolymers of TFE/Propylene and Ethylene/TFE/PMVE
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~60-65%
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OilExploration/Production-DrillingMuds,SourWells.
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Specialsealingrequirements-solvents,coatings,ultraharshenvironments(ETP)
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Standard and Speciality Types
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Low Temp. Flexibility TR-10, ¡ÆC
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Compression Set, O-rings 70 h/200¡ÆC, %
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Fluid Resistance
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Base Resistance
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% Volume Increase after 168 h
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% loss of elongation at break
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Toluene at 40¡ÆC
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Fuel C/MeOH (85/15) at 23¡ÆC
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Methanol at 23¡ÆC
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ConcentratedH2SO4at70¡ÆC
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33% solution of KOH 336h/40¡ÆC
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ASTM Ref. Oil 105 500h/150¡ÆC
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AL
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-19
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20-25
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20-25
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35-40
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85-95
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85-95
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-50
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-80
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A
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-17
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12-17
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20-25
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35-40
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85-95
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85-95
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-45
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-80
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BL, GBL-S
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-15
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25-40
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12-15
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20-25
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25-35
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25-35
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-25
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-65
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B
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-13
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25-30
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12-15
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18-23
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25-35
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25-35
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-25
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-70
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ETP-S
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-11
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45-50
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6-8
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8-10
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1-2
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1-2
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0
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-10
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GFLT-S
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-24
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35-40
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8-12
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10-15
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3-5
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3-5
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-30
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-40
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GBLT-S
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-26
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35-40
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12-15
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27-32
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25-35
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25-35
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-40
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-50
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F
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-8
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30-45
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8-12
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5-10
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3-5
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3-5
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-50
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-55
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GF-S
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-8
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30-45
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8-12
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5-10
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3-5
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3-5
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-45
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-50
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TBR-S
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3
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45-50
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60-65
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80-90
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-
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-
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-10
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-20
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Fluorosilicone(ºÒ¼Ò½Ç¸®ÄÜ)
fluorovinylmethyl silicone rubber,
-26¡É~204¡É
¼Öº¥Æ®, ¿¬·á, ¿ÀÀÏ µî¿¡ ³»¼º, ¿Àû ¾ÈÁ¤¼º
¡¡
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Neopren
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Ethylene
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Buna-N
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Fluoro-
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Fluoro-
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Perfluoro-
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propylene
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nitrile
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silicone
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elastomer
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elastomer
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ASTM Code
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CR
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EPM
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NBR
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FVMQ
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FKM(Viton®)
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FFKM(Kalrez)
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Hardness durometer
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20 to 90
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40 to 80
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40 to 95
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40 to 80
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55 to 95
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65 to 95
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(Shore A)
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Tensilestrength(lb/in2)
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3,000
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2,500
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2,500
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900
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2,500
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2,000
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Wear resistance
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G
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G
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G
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N
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G
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G
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Fireproof hydraulic fluids
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R
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VG
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N
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VG
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R
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E
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Lubricating oils
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G
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N
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G
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E
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E
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E
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Fuel oils
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R
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N
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G
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E
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E
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E
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Hydraulic oils
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G
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N
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E
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E
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E
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E
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Vegetable Oils
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G
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R
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E
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E
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E
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E
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Animal Fats
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G
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R
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E
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E
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E
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E
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Petrol (normal)
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R
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N
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VG
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E
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E
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E
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Petrol (high-octane)
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N
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N
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G
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E
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E
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E
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Kerosene
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R
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N
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VG
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E
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E
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E
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Aromatic hydrocarbons
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N
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N
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R
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VG
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E
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E
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Aliphatic hydrocarbons
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G
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N
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VG
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E
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E
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E
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Water (under 80¡ÆC)
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R
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E
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VG
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E
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E
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E
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Water (above 80¡ÆC)
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N
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E
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R
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E
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E
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E
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Alcohols
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E
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E
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VG
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E
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E
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E
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Ketones
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N
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G
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N
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N
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N
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E
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Concentrated acids
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N
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R
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N
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G
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VG
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E
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Diluted acids
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G
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G
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R
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VG
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E
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E
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Alkalis
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G
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VG
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R
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R
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N
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E
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Halogenated solvents
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N
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N
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R
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VG
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VG
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VG
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Max. temp. at continuous service
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105¡ÆC
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135¡ÆC
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135¡ÆC
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200¡ÆC
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204¡ÆC
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316¡ÆC
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Compression set
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VG
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G
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VG
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G
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VG
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G
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Flame-resistant
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yes
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no
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no
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no
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yes
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yes
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