High Performance Fluoroelastomers DAI-EL DAI-EL fluoroelastomers stand up to harsh environments. Fluorochemicals produced by DAIKIN INDUSTRIES, LTD. makes it easy to develop new products and applications. DAI-EL is a fluoroelastomer developed by DAIKIN INDUSTRIES, LTD., a pioneer in the fluorochemical industry. DAI-EL takes advantage of properties not found in other rubbers such as heat, oil and chemical resistance. DAI-EL plays an indispensable role in fast changing industries including automotive, chemical, office automation, and semiconductor manufacturing. DAI-EL fluoroelastomers offers various types of unique products to satisfy your needs for, High fluorine content (71%) Low temperature flexibility Non post curing Thermoplastic Liquid for hardness modification Latex coating 1 DAI-EL Features Able to Heat withstand Resistance temperatures as high as 300°C. Solvent Oil Resistance DAI-EL Resistance DAI-EL Offers best Offers best resistance to Thermoplastic resistance to oil solvents DAI-EL Latex Self- Acid and Extinguishing Steam Resistance Excellent flame Offers best resistance resistance to acid and steam ■ PROPERTY COMPARISON OF FLUOROELASTOMER WITH OTHER RUBBERS Type Ethylene Fluoroelastomer Silicon Acrylic Nitrile propylene rubber rubber rubber rubber Properties FKM MQ, VMQ ACM NBR EPDM Specific ～ gravity 1.8 2.0 1.0 1.0 1.0 0.9 Heat ◎ ◎ ○ △ ○ resistance Low temperature △ ◎ ○ ◎ ◎ resistance Electrical ○ ○ △ △ ◎ properties Solvent ◎ ◎ ○ △ ○ resistance Flame ◎ ○ ▲ ▲ ▲ resistance Ozone ◎ ◎ ◎ × ◎ resistance Steam ◎ ○ × △ ○ resistance Acid ◎ ○ △ ○ ◎ resistance Alkaline ◎ ◎ △ ○ ◎ resistance Oil ◎ △ ○ ○ × resistance Permeability ◎ ▲ ○ ○ △ resistance ◎ : Excellent ○ : Good △ : Fair ▲ : Marginal × : Poor 2 DAI-EL's wide range of applications, including seals, hoses, electrical wire coatings, make it useful in a diverse assortment of fields. DAI-EL Application Examples Crankshaft seals Valve stem seals Fuel pump diaphragms Auto mobiles Fuel hoses 1Fuel hoses 1Needle tips 1Fuel pump diaphragms 1Engine wiring 1Crankshaft seals 1O-rings for fuel injection systems 1Valve stem seals 1Filler hoses 1Bearing seals 1O-rings for car air-conditioners 1EGR hoses 1Intake gaskets 1CAC valves Cleaning blades OA Equipment Rollers for copying machines 1Cleaning blades for copying machines 1Rollers for copying machines 1Computer gaskets 1Cooling hoses for main frame computers Electric wiring Conductor Electrical 1Insulation oil caps for bullet train lines 1Venting seals for liquid seal transformers 1Jackets for oil well cables 1Oil and heat resistant electric wiring 3 Omni-mixers (surface coating of natural rubber) Sponge rubber Chemical and Mechanical Couplers (O-ring) 1Fuel hoses 1Needle tips 1 1 1Fuel pump diaphragms 1Engine wiring O-rings for chemical pumps Seals for hydraulic and lubricating equipment Diaphragms (applied in combination with 1Seals for chemical pumps, flowmeters and piping 1Seals for dry cleaning equipment 1Crankshaft seals 1O-rings for fuel injection systems fluorocarbon resin) 1 1 1Valve stem seals 1Filler hoses Seals for gas piping Seals for automatic packaging equipment 1 1 1Bearing seals 1O-rings for car air-conditioners Packing for high-temperature vacuum dryers Wringers for acid pickling 1Rollers for dyeing 1Robot cables 1EGR hoses 1Intake gaskets Rubber rollers 1 1 1CAC valves Coating foe plating tools Solvent rollers Packing for thermos jugs Transparent tubing Food and Pharmaceuticals 1Sanitary pipe packing 1Packing for thermos jugs 1Packing for pressure cookers 1Seals for plate-style heat exchangers 1Solenoid valve seals for automatic vending machines 1Seals for water boiling vessels 1Tubes 1Stern tube seals 1Valve seats for butterfly valves 1Fuel hoses and gaskets 1Seals for rotating shafts Ships and 1Gaskets for hydraulic equipment Aircraft 1Firewall seals 4 DAI-EL Types and Features DAI-EL is available in the following raw rubber series which differ according to polymer composition and curing system. Bisphenol Curable Grade Offers minimal compression set and excellent sealing. The copolymer type offers good compression set characteristics and the terpolymer type is able to withstand polarized solvents to realize a wide range of application. Mooney Fluorine viscosity content Grade Features ML1+10 (mass%) (121°C) Composition G-701 32 General purpose with excellent compression set G-702 32 General purpose with excellent elongation and tear strength G-716 40 Minimal compression set and fast vulcanization G-723 40 Excellent mold releasability, non-sticking 66 G-751 30 General purpose with excellent metal bonding and compression set Copolymer G-755 25 Extrusion of hose and tubing, etc. G-763 29 Excellent mold releasability for O-rings 67 G-671 35 Excellent low-temperature sealing for O-rings G-551 48 Products with excellent balance of methanol and 69 G-555 34 low-temperature resistance (G558:extrusion) G-558 34 Low gasoline permeability and good extrudability Terpolymer 71 G-621 50 General purpose with excellent solvent resistance Above grades include curing system Mooney Viscosity and Compression Set of Bisphenol Curable Grade 30 G-558 G-621 G-702 25 G-551 G-763 G-755 20 G-723 G-671 G-751 G-701 Compression Set (%) 15 G-716 10 20 25 30 35 40 45 50 55 Mooney Viscosity ML1+10(121°C) 5 Peroxide Curable Grade Offers excellent chemical and steam resistance. Offers good mechanical characteristics. Below grades are for non-post cure Mooney Fluorine viscosity Composition content Grade ML1+10 Features (mass%) (121°C) Copolymer 66 G-801 37 Good low-temperature and elasticity characteristics 69 G-952 40 Good solvent resistance and low-temperature characteristics G-901 48 Terpolymer Excellent solvent resistance 71 G-902 19 Excellent solvent resistance, good mold flow G-912 56 Excellent solvent resistance, goof compression set Low Temperature Grade Mooney Fluorine viscosity Grade content Features ML1+10 (mass%) (121°C) LT-302 64 30 Flexible up to –30°C, excellent low-temperature sealing Diamine Curable Grade Fluorine ML1+10 Composition Grade Features Content (121C) Terpolymer 68 G-501NK 74 Good mechanical characteristics Liquid Fluoroelastomer Grade Application G-101 Processing aid / Hardness modification Thermoplastic Elastomer Grade Melting Point Features C Excellent transparency and chemical resistance˚230عT-530 220 6 Fluoroelastomer with excellent low-temperature sealing characteristics Thermoplastic fluoroelastomer DAI-EL LT-302 DAI-EL Thermoplastic DAI-EL LT-302 is a peroxide-curable fluoroelastomer DAI-EL Thermoplastic is with superior compression set. DAI-EL LT-302 offers a polymer consisting of Hard segment (fluororesin) improved low-temperature characteristics. fluororesin and physical bridge fluoroelastomer. A unique feature of TR Test DAI-EL thermoplastic is that it can be formed 0 like a thermoplastic Soft segment while having properties (fluoroelastomer) similar to those of a 20 DAI-EL Thermoplastic Concept DAI-EL fluoroelastomer. Drawing LT-302 DAI-EL G-801 40 Competitor's Features product 60 1Good transparency Recovery rate (%) 1Excellent chemical 80 resistance Low extractable substance 100 －50 －40 －30 －20 －10 01020 1Recyclable Temp(°C) Application examples Mechanical Characteristics of Cured FKM Product type Competitor's LT-302 Item Product Fluoroelastomer Latex Fluorine content (mass%) 64 64 Specific gravity 1.80 1.80 DAI-EL Latex 100% tensile stress (MPa) 3.7 3.9 Tensile strength (MPa) 18.9 19.1 Elongation (%) 260 250 DAI-EL Latex takes advantages of superior DAI-EL Hardness Shore A 67 67 characteristics such as resistance to heat, chemicals, Tearing strength (kN/m) 24 21 oils and weather. DAI-EL latex provides effective Low-temperature characteristics TR test TR10 (°C) −31 −31 protection for metal and surface improvement for Gehman torsion test T50 (°C) −32 −31 textile binders and ordinary rubber. It can be applied Compression set −30°C×70h (%) 39 67 by impregnation and spray-coating techniques. Fuel resistance (%) (40°C×70h volumetric increase) Fuel-C 13 13 Features Fuel-C+15% MeOH 37 40 Fuel-C+10% MTBE 19 19 1Film coating provides same resistance to heat, chemicals, oils and weather. 1Grades are available for self lubrication and non- adhesive application. Application examples 7 Fig. 3 20 G-902 15 G-701 10 5 Tensile strength (MPa) 050100 150200 Temperature (°C) Fig. 4 400 G-902 300 200 G-701 DAI-EL Properties Elongation (%) 100 050100 150200 Temperature (°C) Fig. 5 1 Heat Resistance 75 DAI-EL can withstand atmospheric temperatures as G-701 high as 230°C for an extended period of time or 300°C G-902 70 for a limited period of time. Elongation and tensile strength change at temperatures ranging from 200 to A) Hardness (Shore 050100 150200 280°C after 70 hours of heat treatment are shown in Temperature (°C) figures 1 and 2. Bisphenol-cured G-701 can withstand continued use at temperatures up to 230°C, while peroxide-cured G-902 can withstand up to 200°C. 3 Compression Set Fig. 6 shows the correlation of compression set and Fig. 1 heat treatment time. DAI-EL maintains sufficient sealing ＋40 for a minimum of 2,000 continuous hours at 200°C. G-902 G-701 Fig. 6 ＋ 20 G-701 P-24 O-ring ※ 200℃ 175℃ Elongation change rate (%) 80 0 200 250 300 Temperature (°C) 60 Fig. 2 0 40 25℃ Compression set (%) −20 20 G-902 G-701 100℃ Tensile strength change rate (%) −40 1001,000 2,00010,000 Period (h) 200 250 300 ※ ID=24.5mmφ, Cross section 3.5mmφ Temperature (°C) 4 Oil and Solvent Resistance 2 Mechanical Properties DAI-EL offers superior resistance to oil and solvents. Figures 3 through 5 show tensile strength, elongation Fig.