These include inorganic acids, alkalines, ketones, esters, alcohols, fuels and hot water. Perlast perfluoroelastomer grades provide other properties which prove most valuable in critical sealing applications where purity, high temperatures and retention of sealing force are paramount. Well Service Catalog. FF200-75 is formulated to withstand long term exposure to heat, maintain high sealing force retention, resist compression set and maintains excellent mechanical properties. These compounds also . This is one of the reasons different FFKM materials have different temperature ratings. It combines the positive properties of a PTFE O-ring with the elastic behaviour of an FKM / Viton O-ring. FFKM is extremely chemical and temperature resistant and is a superior choice for a wide range of sealing products. Examples of corrosion. Outstanding weather conditions capability and also ozone amount of resistance. There are 6 material properties with values for both materials. They need seal materials with excellent chemical stability and high heat tolerance. FKM is a copolymer made of highly fluorinated hydrocarbons and developed during the 1950s. Viton material properties: heat resistance. Incompatible material usage can lead to premature, or in some cases, catastrophic failure. . Perfluorelastomers (FFKM) have a fully fluorinated polymer backbone resulting in fluorine content of over 71%. MATERIALS & RESOURCES. FFKM/Kalrez perfluoroelastomeric materials Description: FFKM rubber compounds have excellent resistance to high temperatures and chemicals. So, fluorinated elastomers containeither a partially or fully fluorinated backbone. Force majeure declared by 3M. Perfluoroelastomer (FFKM) O-Rings Material Description: Perfluoroelastomer (FFKM) o-rings are carbon-fluorine bond with one of the best thermal, oxidative and chemical stability of fluorinated polymers. (up to 288C) Polymers such as Silicone, EPDM, Kalrez, FFKM, HNBR, PTFE, XNBR, PU, CR and more. Properties with values for just one material (12, in this case) are not shown. Refer to published compatibility tables for proper material selection. FFKM : Perfluoro rubber: Kalrez: The chemical and heat resistance of perfluoro elastomers are similar to those of PTFE. Name. Brochures. Advantages of FFKM Very good mechanical attributes, bettering sealing efficiency. Additional physical properties include a hardness of 75 for standard products and range from 82 to 95 for specialty products. FFKM applications Contact us. High reliability for dynamic and static applications and stability for aggressive media. It combines the positive properties of a PTFE O Ring with the elastic behaviour of FKM / Viton O Ring. Literature Library. los . Chemical and Physical Tables ; Polymer NBR HNBR FKM EPDM SBR CR IIR VMQ, Si, PMQ, PVMQ; Tensile Strength (MPa) 6.9-27.6 . 6333 - Bulk Material Delivery Hose ; 6334 - Bulk Material Suction and Delivery Hose ; 6335 - Concrete Placement Hose ; Food Quality Rubber Hose. ESG.

Our material datasheets include individual PDFs for each compound. To determine the compatibility of a chemical with a material type, use our reference tool below. It combines the resistance of PTFE with the elasticity of elastomers. If you have any questions about o-rings and other sealing solutions, please contact one of our locations or fill in our contact form below. FEPM has much better chemical resistance than FKM and is more cost effective than FFKM. Marco offers specific compound formulations extending these ranges even futher as can be seen in the following compound comparison chart. Les lastomres perfluors (FFKM) sont constitus de monomres dans lesquels tous les atomes d'hydrogne ont t remplacs par du fluor.

The chemical and heat resistance of Perfluoroelastomer (FFKM) are similar to those of PTFE. Specifically engineered for the offshore industry, Isolast J9554 matches up to the most demanding of upstream requirements and is ideally suited for Enhanced Oil Recovery (EOR) systems.

FFKM also has improved chemical resistance, with nearly universal chemical compatibility. The polymer backbone comprises many repeating monomerunits. Ordering. Nitrile ( Buna-N ) sponge; And several others; Industrial Gasket Customization Options. Some may be used up to 225C while other can be used up to 325C. The higher the fluorine content, the higher the resistance to various fluids. As the material is free from carbon-hydrogen bonds in the polymer chain, the FFKM materials offer the ultimate thermochemical resistance. Extraordinary chemical resistance. Common Uses: They are commonly used to make o-rings and gaskets that are used in applications that involve contact with hydrocarbons or highly corrosive fluids, or when a .

Chemical Resistance In reality, Aflas exhibits a . FFKM, or perfluoroelastomer, contains higher amounts of fluorine than standard FKM, and features higher temperature ratings, up to approximately 325C (617F). Our O-ring and sealing knowledge is made accessible to you in the below table of chemical and physica elastomerl properties. Fluoroelastomer (FKM) Rubber Property Specifications Hardness: Shore A 50 - 95 Tensile Strength PSI 500 - 2,000 Tear Resistance Fair to good Impact Resistance Good Compression Set Good to excellent Low Temperature -35C High Temperature 200C Intermittent High Temperature 250C Weather and Sunlight Good to excellent Water Excellent

Depending on the core material, the temperature application range is from -55C to +200C. Effective at temperatures up to 250C (482F), Petroz compounds have a broad chemical resistance in aggressive chemical environments such as H2S, amine-based (high pH) corrosion inhibitors, organic solvents, and strong acids. Videos. FEPM is highly resistant to a wide range of chemicals, such as acid, base and steam. 4. For engineers looking to protect their parts from corrosive mediums like acids and salts, or UV degradation, here are the best corrosion-resistant materials to consider. Parker's perfluoroelastomer F200-75 (Ultra FFKM) is developed specifically for use in critical, demanding termperatures and fluids. Polymax are proud to be the largest online distributor of O-rings in the UK. Reliable and long term service. Free UK mainland shipping on all orders over 50 when purchased online. Search. News. FFKM, or perfluoroelastomer, contains higher amounts of fluorine than standard FKM, and features higher temperature ratings, up to approximately 325C. DESCRIPTION. Chesapeake Bay Rubber & Gasket is a distributor and fabricator of industrial, mechanical, and military rubber goods offering gaskets, hose, couplings & fittings, conveyor belt, waterjet cutting, and more.. They have also terminated supply from one of their Russian plants, severing material availability from that . Case Studies. FKM is a family of fluorocarbon-based fluoroelastomer materials defined by ASTM International standard D1418, and ISO standard 1629. Self-extinguishing and also non-flammable in oxygen. For each property being compared, the top bar is FFKM and the bottom bar is PTFE. FEPM has superior resistance to strong bases in comparison with FKM. Garlock GYLON Style 3500 gasketing material is a high performance, silica filled PTFE sheet material designed for use with strong acids, solvents, hydrocarbons, and other. FKM - Fluoroelastomers or Fluorocarbons Properties Fluoroelastomers or Fluorocarbons (FKM), also known as Viton , are highly fluorinated polymers that are suitable for continuous use at elevated temperatures. Material Type EPDM FFKM FKM FVMQ HNBR NBR VMQ Colour Black Blue Blue-violet Brown Cream Grey Operating Temperature Minimum (C) All 0 to -10 -11 to -19 -20 to -29 -30 to -39 -40 to -49 -50 to -59 Below -60 Maximum (C) All 0 to 100 101 to 120 121 to 140 141 to 160 161 to 180 181 to 200 201 to 220 221 to 250 251 to 280 281 to 300 301 to 350 Hardness Perfluoroelastomer / FFKM O Rings are only used if other materials .

Heat resistance Up to 320C (608F) The chemical and heat resistance of FFKM is similar to PTFE. FFKM FFKM s (by ASTM 1418 standard) (equivalent to FFPMs by ISO/DIN 1629 standard) are perfluoroelastomeric compounds containing an even higher amount of fluorine than FKM fluoroelastomers. Viton Temperature Resistance: -15C to 200C. FFKM parts are made from a Perfluoroelastomer possessing exceptional resistance to degradation by aggressive fluids and/or gases.

Viton (FKM Fluoroelastomer) is also particularly resistant to atmospheric oxidation, mold, fungus, climatic conditions, and the sun. FFKM o-rings and Perfluoroelastomer materials provide the highest temperature (up to 620F) and most universal chemical resistance of any rubber o-ring and gasket material. The key difference between FKM and FFKM is that FKM offers a less degree of versatility compared to FFKM.. FKM stands for fluoroelastomer whereas FFKM stands for perfluoroelastomer.FKM and FFKM are two types of elastomer materials. Retains elasticity similar to FKM. We can also create gaskets in a variety of colors, durometers, thicknesses, and include your choice of adhesive. History. It offers outstanding resistance to high temperatures, chemicals, oil, ozone and sunlight. Properties Perfluoroelastomers (FFKM) are the elastomeric form of poly (tetrafluoro ethylene) or PTFE. 1. Product Bulletins. When comparing these materials with respect to . Kalrez 1050LF is a carbon black-filled product for O-rings, seals, and other parts used in chemical process industries. Superb fuel as well as fluid permeation resistance. They combine the positive properties of PTFE with the elastic behaviour of FKM. Typical monomer units for these polymers are shown below. What is FFKM? What is FKM Perfluorelastomers provide low outgassing in vacuum-sealing applications. Trelleborg Sealing Solutions used SPE Offshore Europe Conference & Exhibition in Aberdeen as a platform to launch its latest Isolast perfluoroelastomer (FFKM) material development. Perfluoroelastomer FFKM O Ring Advantages High Temperature Resistance Long-term working temperature -39 ~ 288 degrees Celsius, short-term up to 315 degrees Celsius, below the embrittlement temperature still has a certain plasticity, hard but not brittle, can be bent, Yoson O-ring can also maintain good elasticity. FFKM o-rings are utilized in the most demanding applications with dozens of compounds engineered for targeted application performance like low or high temperature, chemical. Overview and Key Difference 2. The rubber datasheets give details on the key physical properties of the materials including: Service temperature range Shore hardness Colours available Tensile strength Modulus Elongation Tear strength Specific gravity Compression set View our FFKM datasheets Our O Rings offer outstanding performance in demanding operating environments. Perfluoroelastomer (FFKM) Material for O-Rings The name "perfluoroelastomer" is somewhat misleading. Therefore, these are two types of polymers having elastic properties. In addition, the material offers high temperature stability (327C). FKM has an advantage in lower temperatures and FFKM has an advantage in higher temperatures. ERIKS has been testing the heat resistance at 250C for 70 hours and the test shows perfect results for Tensile Strength Change, Elongation Change and Hardness Change.

It has good hot water/steam, and excellent amine resistance. FFKM. Chemical Processing. It is commonly called fluorine rubber or fluoro-rubber.All FKMs contain vinylidene fluoride as a monomer.Originally developed by DuPont (under the brand name Viton, now owned by Chemours), FKMs are today also produced by many companies, including: Daikin (Dai-El . FFKM also has improved chemical resistance, with nearly universal chemical compatibility. FFKM also has excellent resistance to extreme temperatures -10C to +260C and some special compounds can operate beyond 300C. The graph bars on the material properties cards below compare FFKM to other rubber materials (top) and the entire database (bottom). Various sizes of Virgin PTFE sheet are available from stock for immediate despatch. The chemical properties of FFKM make it ideal for many demanding sealing applications in semiconductor fabrication, as its name "perfluoroelastomer" describes: elastomer a synthetic rubber characterized by elastic properties. Various grades are available, including copolymer and terpolymers. Material & Design Solutions' (MDS) Petroz perfluoroelastomer (FFKM) is a superior choice for sealing in the most challenging environments. Fluorocarbon material (FKM) in general is used in higher temperature applications up to 400 F or when compatibility with chemicals and fluids are concerned. Certain grades have a maximum continuous service temperature of 327 C (621 F). Aflas can withstand higher temperatures and Viton performs better at low temperatures.

FFKM O rings and gaskets up to 550F. It has the highest density and the lowest ductility among rubber materials. FFKM parts and seals also help prevent semiconductor process contamination by reducing particulates, lowering extractables, and resisting degradation in harsh plasma.