|  |  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 |    |