CoMpoSITeS – FIberS AnD MATerIALS SIGRAFIL® …

1 Broad Base. Best FIberS AnD MATerIALSSIGRAFIL Continuous Carbon Fiber Tow2 Carbon FIberS and CoMpoSITeS made by SGL Comprehensive product rangeQ Integrated value chainQ Only European carbon fiber manufacturer Q Consistently high qualityQ Many different processing technologiesQ Innovative tailored solutionsQ High security of supplyQ Close-to-customer sales and distribution networkQ Global presence3b Carbon FIberS in the manufacturing processUnique integrated value chainSGL Group covers the complete value chain of carbon fiber products: from precursor via carbon FIberS , fabrics, and prepregs to the finished CFRP components. Our carbon FIberS produced by SGL Group in Europe and North America form the basis for all processing steps in fiber-reinforced composite applications. Carbon fiber-reinforced plastics are high-perfor-mance MATerIALS with unique properties. They are used where other MATerIALS have reached their limits and are indispensable in many industries today, for lightweight components with highest strength and Group is the only European manufacturer to cover the entire carbon fiber value chain: from raw material we produce ourselves all intermediate steps to the finished end products.

2 In this way, we can guarantee the highest product quality and security of many different processing technologies and comprehensive production, material, and application know-how, we can offer our customers tailormade solutions for their requirements for example in automotive production, the wind energy sector, and numerous other industrial continuous carbon fiber tow SIGRAFIL continuous carbon fiber tow forms the basis for high-quality carbon fiber-reinforced CoMpoSITeS (CFRP). It is suitable for a wide variety of processing technologies and is the main component of CFRP products. It also opens up new possibilities for serial production of CFRP components used in many different industries. Video: From fiber to finished component sglgroupbuSIneSS unIT CoMpoSITeS FIberS AnD MATerIALS44 Carbon FIberS an ideal material for composite componentsTypical CFRP properties such as high stiffness and strength coupled with light weight are due to the special advantages of continuous carbon fiber tow:Q Excellent mechanical propertiesQ Low densityQ Low thermal expansionQ Good electrical conductivityQ Non-corrosiveQ Good spreading behavior5 SIGRAFIL is a continuous carbon fiber tow that we produce on the basis of a polyacrylonitrile (PAN) fiber.

3 The main advantages of our continuous carbon fiber tow are excellent mechanical properties combined with light weight. With its exceptional strength, high elastic modulus, and low density, SIGRAFIL is a high-performance material capable of producing very stiff yet lightweight is ideal for numerous processes, such as non crimp fabric and prepreg production, weaving, pultrusion, braiding, filament winding and other high-quality a key component of fiber-reinforced CoMpoSITeS , SIGRAFIL is used in widely diverse applications and industry: Our continuous carbon fiber tow is used in CoMpoSITeS for applications such as lightweight car body and structural components. For electric cars, entire passenger cells are produced from CFRP. Wind energy: In wind farms, carbon fiber-reinforced plastics are used for the rotor blades of wind : Carbon fiber-reinforced plastics are used for aircraft components such as fuselage and wing structures, floor beams, and floor panels, and in space engineering for engine cowlings.

4 Sports industry: In the sports sector, carbon fiber-reinforced CoMpoSITeS are used as a high-performance material for racing bike frames, racing car monocoques or golf clubs, fishing rods, and archery engineering: Carbon FIberS impart high strength and stiffness and good damping properties to components subject to extreme dynamic stresses. Typical applications include gripper bars or lifting beams and transfer bars for automation FIberSIGRAFIL continuous carbon fiber tow based on PAN b 24k carbon fiber spoolManufacturing processCarbonization1200 1400 C(2190 2550 F)Surface treatmentSizingWindingOxidation200 300 C(392 572 F)PAN precursor6 SGL Group focuses on large tows with 24 000 (24k) or 50 000 (50k) filaments. They are used mainly in high-volume industrial applications, generally with thermosetting resin systems as the matrix material. Each of our large tow fiber grades offers a specific combination of excellent mechanical your primary requirement is stiffness or strength, we can always supply you with the best material for your application from our range of different fiber grades.

5 This is because the mechanical properties of our carbon FIberS can be optimally transferred to the end product or range is completed by thermoplastic-compatible continuous carbon FIberS and stretch-broken carbon fiber yarns for textile processes. These MATerIALS also have specific properties to carbon fiber towfor high-volume industrial applicationsTypical properties of epoxy prepreg with SIGRAFIL continuous carbon fiber tow (60 Vol. % fiber)Tensile modulus (GPa)Flexural modulus (GPa) Tensile strength (MPa)Flexural strength(MPa)ILSS (MPa)5001000150020002500C data of our SIGRAFIL continuous carbon fiber towPropertiesUnitsC of filaments24k50k50k50kFineness of yarn drytex (g/1000 m)1600330034203070 Densityg/cm diameter modulusGPa/Msi270/39240/35255/37280/40 Elongation at break% filament resistivity m/ in14/55015/59017/67016 /630 Sizing typeepoxyepoxyepoxyepoxySizing level % types available on keySIGRAFIL C SizingE100 = epoxy T140 = thermoplasticR100 = elastomer5 Mechanical propertiestensile strength and tensile modulus (GPa)

6 4 Number of filaments24 = 2400050 = 500002 MaterialC = carbon1 Brand nameSIGRAFIL3 TypeT = continuous tow SB = stretch-broken yarn123456 Fineness of yarn 70 = 70 tex7 Easy material processability plays a key role in product manufacture especially when it comes to producing innovative high-tech components cost-efficiently. Continuous carbon fiber tow made by SGL Group scores highly here with optimum winding properties, low fuzz content, and good spreading behavior. It also offers good resin absorption and impregnation characteristics. As a result, our material has excellent processing properties and so increases process match the mechanical properties of the material to customer-specific requirements. This opens up whole new possibilities in the design and production of high-performance components, such as filament-wound pressurized containers. SIGRAFIL s good resin absorption speeds up resin transfer molding (RTM) and leads to optimum fiber embedment in the matrix.

7 This guarantees exceptional properties, even in large serially produced to SIGRAFIL s good spreading behavior, areal weights can be optimized and different textile constructions used, for example in multiaxial fabrics. This makes it possible to produce innovative lightweight components in very large dimensions, such as rotor FIberIdeal for textile production and direct processesc Multiaxial fabric in rotor blade constructionc Composite component with exposed carbon surfacec Pressurized container filament-wound with SIGRAFIL continuous carbon fiber tow8 Continuous carbon fiber tow forfiber-reinforced thermoplastics Material data of our SIGRAFIL continuous carbon fiber towPropertiesUnitsC of filaments50kDensityg/cm diameter modulusGPa/Msi240/35 Elongation at break% matrixvarious thermoplastics, preferably polyamidesOther types available on of our innovations is a continuous carbon fiber tow for fiber-reinforced thermoplastics.

8 Thanks to a special size developed by us, the carbon FIberS can be optimally bonded to the thermoplastic matrix. In this way, the high stiffness and strength of the fiber can be fully transferred to products and their carbon fiber CoMpoSITeS open up new possibili-ties for serial production. Our innovative FIberS are suitable for very diverse thermoplastic production chains and show good spreading behavior for textile FIberS form the basis for these CoMpoSITeS , enabling the outstanding properties of carbon FIberS to be combined with the typical processing properties of thermoplastics. The CoMpoSITeS can be readily shaped, repaired, and recycled. In addition, they permit short production cycles and facilitate product manufacture by making components weldable. So our material makes an important contribution to sustainability and properties achieved with thermoplastic-compatible sizings11355 Specialthermoplastic-compatible sizingStandard sizingBending strength 90 [MPa](values for PA-6 matrix)c Continuous carbon fiber tow with thermoplastic-compatible size9 CArbon FIberOur stetch-broken SIGRAFIL carbon fiber is a very fine yarn offering very high performance.

9 It combines the outstanding properties of carbon FIberS with excellent textile processability. The key material advantages are: High yarn strength Very good knot and loop strength Heat resistance Chemical resistance Low elongation Electrical conductivity Defined electrical resistivity Non-melting Our carbon fiber yarn is particularly suitable for braiding, sewing, stitching, knitting, and weaving. It opens up new possibilities in a wide range of applications spanning numerous industries such as auto manufacture and the aerospace yarn is typically used where flame retardancy, high-temperature resistance or electrical insulation are required. As a sewing yarn and reinforcing material, our carbon fiber yarn is found in a variety of end products, such as heating Stretch-broken carbon fiber yarnStretch-broken carbon fiber yarnfor textile processesMaterial data of our SIGRAFIL stretch-broken carbon fiber yarnsPropertiesUnitsC of yarntex70 (2 35)Twist directionZYarn twist T/ m230 Yarn finish styrene-butadiene rubber-based*Finish level % *Resistivity /m490 Tensile strengthN> 48 Knot strengthN> 2 Loop strengthN> 10 Elongation at break%> temperature range C700 1000*Other yarn finishes on comprehensive range of application-optimized, high-performance develop new ideas, you need partners who can contribute added knowledge and think outside the box.

10 As the only European carbon fiber manufacturer, we offer more than just our comprehensive product our many different processing technologies, we supply solutions perfectly matched to your requirements, application, and technical conditions: precisely tailored high-performance MATerIALS for the develop-ment and production of competitive lightweight design Group The CArbon CoMpAnySGL Group The Carbon leading global manufacturer of carbon-based Unique product portfolioQ Innovative technologies and solutionsQ Production sites close to sales marketsQ Technology & Innovation Center in Germany with international networksWe have wide-ranging expertise in raw MATerIALS , advanced manufacturing processes, and long-standing application and engineering have a comprehensive portfolio of carbon, graphite, and carbon fiber products and our integrated value chain covers everything from carbon fiber to CoMpoSITeS . With a global sales and distribution network and modern production sites in Europe, North America, and Asia, we are close to our customers throughout the Winding carbon fibersin the carbon fiber pilot plantWe use this broad base to offer our customers the best solutions possible.