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High-pressure gasket materialmade from expanded graphite for maximumperformance and perfect handling.novaphit® SSTC TA-L and novaphit® MSTGASKETSTECHNICAL TEXTILESEXPANSION JOINTSINSULATIONNEW MATERIALS

Environmental protection optimised by gaskets ofmaximum quality throughout the companyHigh-quality gaskets make a major contribution to protectionof the environment. Rules like the German regulationsabout air pollution (“TA Luft”) specify demanding sealingcriteria. It is particularly important that these criteria aremet in applications involving media that endanger the environmentand are harmful to health.Demonstration of the high quality of novaphit® MST andnovaphit® SSTC TA-L in component testingThe component test involves leakage measurementfollowing 48 hours of exposure to a temperature of 300 °C.The leakage limit is 1 • 10 -4 mbar • l / (s • m). Up to now, thishas been the most important criterion for determining thequality of a gasket material.Many years of practical experience with gaskets have,however, shown that the quality of the gasket materialdepends on other criteria too. They include mechanicalproperties as well as long-term temperature resistanceat the same time as effective sealing for a long period oftime. It is apparent from this that excellent gasket materialperformance is determined by the combination of severaldifferent properties.Focus on the entire sealing system: VDI 2290There are more detailed regulations that are designed tomake sure the requirements of TA Luft are satisfied morespecifically. The quality of the overall gasket connection isinfluenced not only by the properties of the gasket materialbut also by the installation situation. The current VDIdirective 2290 is based to a particularly large extent on acomprehensive approach to the creation of a sealing system.The importance of expert installation is stressed just asmuch as the need for accurate design calculations.Gasket design in accordance with DIN EN 1591DIN EN 1591-1 is explicitly recommended for the design andcalculation of gasket systems. Attention is also drawn to useof the design sealing class L 0,01in VDI 2290.Thanks to their optimum performance, novaphit® MST andnovaphit® SSTC TA-L enable gasket connections to be establishedthat meet the strict criteria of TA Luft and VDI 2290.By supplying novaphit® MST and novaphit® SSTC TA-L , Frenzelitcreates the basis for carrying out company-wide standardisationat a maximum quality level.Frenzelit is involved in the production processfrom the mine to the finished product.

High-quality graphite gasketsmade from high-quality graphitenovaphit® gaskets made from expanded pure graphite aresuitable for high chemical, thermal and mechanical stresses.They do their job reliably even when there are extreme fluctuationsin conditions. novaphit® gaskets do not containany bonding agents, incidentally.There can be substantial differences in the quality ofexpanded graphite. An explanation is given below of howexpanded graphite is made and what criteria need to bemet as quality features.Where does graphite come from?Graphite is obtained in both open-cast and undergroundmines. The choice of the mine already decides the subsequentquality level. The grinding and cleaning operationsthat follow are just as important.What happens in the expanding process?The ground basic graphite is expanded in a thermal process,in which the volume of the graphite is increased many timesover. A flexible and soft graphite film is produced from a“brittle” graphite powder.Weight loss (%)0102030405060708090Oxidation resistance is the most important qualityfeature of graphite gasketsThe efficiency of the graphite is defined essentially by itsoxidation resistance. The common assumption that graphitequality is determined solely by a specific degree of purity isnot correct. On the contrary: it is essential to determine theoxidation properties of the graphite exactly, because evengraphite films of the highest purity level may not be resistantenough to oxidation. Thanks to careful selection of thebasic graphite and 100 % incoming goods checks of this andother properties, only high-quality graphite is used in thenovaphit® SSTC TA-L and novaphit® MST production process.Weight loss as an indication of the oxidation resistanceof pure graphite film (99%)High-quality Frenzelit graphiteStandard graphiteNo-name graphite100300 350 400 450 500 550 600Temperature (°C)Flake graphite Source: Graphit Kropfmühl AGExpanded graphite Source: Graphit Kropfmühl AG

Material profile of novaphit® SSTC TA-LAdvantages of the expanded metal insert usedGasket material made from expanded graphite(purity level 99 %) with internal impregnation and anacid-resistant expanded metal insert made from chromenickelsteel (material no. 1.4404 / AISI 316L).Expanded metal made from acid-resistant stainless steelRust- and acid-resistant material (material no. 1.4404).Thickness of the expanded metal insert usedStretching the stainless steel film used (original thickness0.15 mm) leads to a three-dimensional structure witha projected height of about 0.4 mm, as a result of whichchambering of the gasket core is achieved.applied to the gasket during installation in the flange,i.e. greater tolerance when mistakes are made ininstallation.• Repeated bending of the insert is irreversible becauseof strain hardening, i.e. the insert recovers and is activelyinvolved in the sealing operation! This guarantees greatersecurity in the gasket connection, particularly at highersurface pressure levels.• Another advantage of the new novaphit® SSTC TA-L in directcomparison with smooth metal inserts is its open insertdesign principle. This means that not merely the outergraphite layer but rather that a considerably thicker layeris available to compensate for flange damage.Geometry of the stainless steel insert• Better exploitation of the surface pressure available tocompact the graphite, because no “peaks” need to belevelled. Installation of the gasket is completed faster.• No undercutting in the insert material. The graphite filmencloses the insert completely.• Optimised surface pressure distribution by comparisonwith other insert concepts. This is demonstrated impressivelyby the self-contained lines of higher surface pressure(see the Fuji Film photo of novaphit® SSTC TA-L withexpanded metal).• Favourable grid geometry (diamond dimension = 3.0 mm)makes it possible to produce gaskets of very narrowwidth reliably.• Easy cuttability. Handling benefits in manual and in-housefinishing.• Considerably lower risk of layer separation when bendingoccurs. Even in such a case, the graphite film is pressedaround the insert again completely when pressure isFuji Film photosSensitivity: mediumGasket thickness: 2,0 mmSurface pressure: 30 N/mm 2Frenzelit graphite gasketnovaphit® SSTC TA-L with expanded metalGraphite gasketwith tanged metalGraphite gasketwith smooth metal

Material profile of novaphit® MSTAdvantages of the unique combination of expanded metal and smooth metal insertsMultilayer gasket material made from expanded graphite(purity level 99.5 %) with several expanded metaland smooth metal inserts made from stainless steel(material no. 1.4404 / AISI 316L) and intelligent internalimpregnation.Excellent handlingThanks to the multilayer structure, gaskets made fromnovaphit® MST have extremely good dimensional stabilityproperties and do not buckle. This can be an advantage oversingle-layer, reinforced graphite gaskets.Outstanding adaptabilityThe logical arrangement of the stainless steel inserts isthe special feature of novaphit® MST. 0.5 mm of graphitealternates with stainless steel 1.4404. Expanded metal is,however, chosen for the outer layers on each side. The openstructure of the expanded metal makes the gasket moreadaptable, because the two outer graphite layers can beused to compensate for flange unevenness.New dimension in internal impregnation performanceSystematic improvement in the effectiveness of the internalimpregnation has made it possible to use graphite filmswith optimised initial density. The sealing properties are atthe same time increased as a result, while adaptability issignificantly better.Gasket deformation of about 43 % is achieved with surfacepressure of only 20 MPa. Compared with standard multilayerlaminates, which reach only about 23 %, this means thatadaptability is 87 % higher.Very simple processingThe thickness of the individual stainless steel inserts(0.05 mm) has been chosen carefully to make sure thatextremely reliable and simple processing is possible by allstandard methods.• Punching• Plotting• Water jet cutting• Cutting with circular saws• Cutting with metal shears and even• Cutting with scissorsSurface pressure (MPa)200180160140120100806040Compression chart according to DIN 28090-1novaphit® MSTMultilayer laminate IMultilayer laminate IICrash point,gasket is destroyed2000 5 10 15 20 23 25 30 35 40 43 45 50 55 60Deformation (%)

Technical informationApplication recommendations, depending on the pressure and temperatureThe application recommendations for different temperature and pressure levels in the graphs apply to a gasket thickness of 2.0 mm and withsmooth flanges. Higher limits are possible when thinner gaskets are used!Pressure (bar)25020015010050Application recommendation for water/steamnovaphit® MSTnovaphit® SSTC TA-LSaturatedsteam curvePressure (bar)25020015010050Application recommendation for other media*novaphit® MSTnovaphit® SSTC TA-L00050100150200250300350Temperature (°C)400450500550-200-150-100-50050100150200250Temperature (°C)300350400450500550Compression set - Temp-Testup to 50 N/mm 2 and 400 °C* Example for the most common other media. More detailled data for individual casesare available in the Frenzelit novaDISC program or you can contact our applicationengineering specialists.Cold compressibilityT=25° C=constantHot creepσ = 50 N/mm 2 = constant8070Change in thickness (%)605040302010novaphit® MSTnovaphit® SSTC TA-Lnovaphit® MSTnovaphit® SSTC TA-L00 10 20 30 40 50 40° 80° 120° 160° 200° 240° 280° 320° 360° 400°SP (N/mm 2 )Temperature (°C)Maximum surface pressure,after installation, with smooth sealing faces*Surface pressure (N/mm 2 )40035030025020015010050400350novaphit® SSTC TA-L 300Surface pressure (N/mm 2 )25020015010050novaphit® MST02 4 6 8 10 12 14 16 18 20 22Ratio of gasket width b D: gasket thickness h D* The maximum surface pressure can be increased by a factor ofapproximately 1.5 in the case of tongue and groove flanges02 4 6 8 10 12 14 16 18 20 22Gasket width b D(mm)* Multilayer structure means that the gasket thickness does not play a roleWarranty exclusionIn view of the variety of different installation and operating conditionsand application and process engineering options, the informationgiven in this prospectus can only provide approximate guidance. Thereis as a result no basis for warranty claims.

Material datanovaphit® novaphit®General informationSSTC TA-LMSTBinders Without WithoutApprovalsDVGWTA LuftFiresafe (DIN EN ISO 10497, API607, BS6755)BAM (O 2: 200 °C / 130 bar, including liquid O 2)Germanischer LloydColour graphite • •Printed Platinum grey • •Sheet size and thickness tolerances according to DIN 28 091-1 • •Physical propertiesGasket thickness 2.0 mmTest standard Unit ValueMode (typical value)Identification DIN 28 091-4 GR-10-l-1M-Cr GR-8-l-3-CrPurity level / graphite 99 % 99.5 %Density DIN 28 090-2 [g/cm 3 ] 1,30 1,20Tensile strength longitudinal DIN 52 910 [N/mm 2 ] 20 20transverse DIN 52 910 [N/mm 2 ] 8 19Residual stress σ dE/16bei 300 °C DIN 52 913 [N/mm 2 ] ≥ 45 ≥ 47Compressibility ASTM F 36 J [%] 35 50Recovery ASTM F 36 J [%] 18 10Cold compressibility ε KSWDIN 28 090-2 [%] 35 45Cold recovery ε KRWDIN 28 090-2 [%] 4,0 3,5Hot creep ε WSW/300DIN 28 090-2 [%] 3,0 2,5Hot recovery ε WRW/300DIN 28 090-2 [%] 3,0 3,0Specific leakage rate DIN 3535-6 [mg/(s·m)] ≤ 0.010 ≤ 0.010Leakage TA LuftVDI 2200 [mbar·l/(s·m)] ≤ 0.0001 ≤ 0.0001Component testing 30 MPa, 300 °C, 1 bar HeliumTotal chloride content DIN 28 090-2 [ppm] ≤ 50 ≤ 50Leachable chloride content FZT PV-001-133 [ppm] ≤ 20 ≤ 20Total fluoride and chloride [ppm] ≤ 100 ≤ 100Product dataDimensions[mm]1000 x 10001500 x 15002000 x 10001.0 / 1.6 /2.0 / 3.01000 x 10001500 x 1500ThicknessesFurther dimensions and thicknesses areavailable on request.[mm]1.5 / 2.0 /3.0 / 4.0Do you have any questions about your application?The gasket information service will help you:gaskets@frenzelit.de

Good for people and the environment.Frenzelit has obtained certification that the company complies with therequirements of ISO 9001, ISO/TS 16949 and ISO 14001. This means completetransparency in all areas and therefore gives our customers a high degree ofsecurity.Installation instructions• Clean the surfaces that being sealed and remove traces of old gasketswithout damaging the flange surface.• Check the flange surfaces for parallelity and evenness; make adjustments ifnecessary.• Before installing them, check gaskets that have been stored in dry conditionsfor cracks, surface damage, dimensional accuracy and – in the case ofgaskets with bolt holes - congruence of the hole pattern with the flange.• Do not use any sealing agents! Fit gaskets dry and grease-free!• Check the condition of the screws before fitting them and use new screwsif necessary.• When installing the gasket pretighten the bolts equally and carefully by handfirst. (Attention: Never tighten the first bolt too much!)• Tighten the screws with a suitable tool. Apply the specified torque diagonallyin several stages.Quality managementISO 9001ISO/TS 16949Environmental managementISO 14001All previous versions of this prospectus cease to apply. Subject to technical amendment.The novaphit® product familyProfessional TechnologyEmission ControlMultilayernovaphit® MST1 insertnovaphit® SSTCTRD 401novaphit® SSTCnovaphit® EXTRAnovaphit® SSTC TA-LWithout an insertnovaphit® VSFilmnovaphit® MHigh-purity graphite film (purity level> 99%), e.g. as a soft layer for Kammprofilegaskets for maximum sealing performance(a data sheet is available on request)novaphit® XCInternally impregnated, high-puritygraphite film (purity level > 99%), e.g. asa soft layer for Kammprofile gaskets formaximum sealing performance (a datasheet is available on request)KA/1/12.10/03/SCHGASKETSTECHNICAL TEXTILESEXPANSION JOINTSINSULATIONNEW MATERIALSFrenzelit Werke GmbHP.O. Box 11 40 · 95456 Bad Berneck · GermanyPhone: +49 9273 72-0 · Fax: +49 9273 72-221info@frenzelit.de · www.frenzelit.com