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2 Isotape ® Adhesive Tapes for Electrical InsulationWe Enable EnergyAs one of the oldest industrial companies of Switzerland, founded in 1803, we focuson products and systems for power generation, transmission and distribution, rotatingmachines and mechanical engineering. Von Roll is a global market leader for insulationproducts and the only company to offer the complete range of insulation products,composites, consulting, tests and services for the electro-technical industry.For more than 100 years, we have been making outstanding contributions to thismarket, developing a number of highly innovative products that have enabled bothsteady increases in power output and smaller and more compact machines.Customers enjoy the following benefits:» One single source for all insulating materials» Thorough expertise from power generation and transmissionto its efficient utilisation» Proven compatibility for system components» Testing at Von Roll of both materials and systems» Consulting for applications and technologies» Training in insulation materials and systemsThe requirements of the electrical and electronic industries for adhesive tapes are verywide and depend on the exact application. With Isotape ® brand, Von Roll offers a widerange of adhesive tapes with different backing materials and adhesive coatings to meetthe exact requirements of this industry.The characteristics of these materials are:» High dielectric strengths» Wide range of heat resistances up to 200°C» Manufactured under the strictest quality standards» Our tapes are UL certified: E 315249 or E 315208Von Roll’s teams work around the clock developing products to provide our customerswith outstanding quality and service. Our distribution networks and company salesoffices are conveniently located throughout Europe and Asia. Our highly trained salesand service representatives offer quick response with the technical expertise you need.

Isotape ® Adhesive Tapes for Electrical Insulation 3Self-Adhesive ProductsFor every application Von Roll offers an appropriate solution. The following tables showour wide selection:Insulation class 105°C (A)ProductBackingBackingthicknessmmTotalthicknessmmAdhesivetypeColourAdhesionto steel(N/25mm)Tensilestrength(N/25mm)Elongationat break(%)Breakdownvoltage(V EFF)Silk acetate4561PV3 A (1)FR Silk acetate 0.180 0.240 A white/black4561PV3 R (1)FR Silk acetate 0.180 0.260 RT white/black11.8 157 16 25009.8 157 20 2500Insulation class 130°C (B)ProductBackingPolypropylene filmBackingthickness(mm)Totalthickness(mm)AdhesivetypeColorAdhesionto steel(N/25mm)Tensilestrength(N/25mm)Elongationat break(%)Breakdownvoltage(V EFF)4138 Polypropylene0.040 0.065 A transparent 8 120 100 4000Polyester films58010 (2) Polyester 0.025 0.060 RT yellow 6.25 75 60 500050501 (2) Polyester 0.025 0.055 AT 7 colors* 11 90 100 500051350 PV3 (1)FR Polyester 0.025 0.060 AT FR yellow/blacktransparent51350 PV3 (1)FR Polyester 0.050 0.090 AT FR yellow/whitetransparentPolyester laminates10 110 100 50009.3 215 100 650051596 PV5 R Polyester/Non woven0.090 0.120 RT white 10 75 40 500051596 PV5 A (2) Polyester/Non-wovenPolyester or paper reinforced glass filament0.090 0.120 A white 10 75 40 50004238 PV3 R Polyesterreinforcedglassfilament0.115 0.160 R white 7.4 441 4 5500Silk acetate4560 PV3 Silk acetate 0.180 0.240 RT white 6.4 150 15 2500* 7 colors: yellow, red, blue, black, green, white, transparentFR Flame Retardant. (1) UL approved under UL file E 315249 or E 315208.(2)UL approved under their own supplier numbers available upon request.

4 Isotape ® Adhesive Tapes for Electrical InsulationInsulation class 155°C (F)ProductBackingBackingthickness(mm)Totalthickness(mm)AdhesivetypeColorAdhesion tosteel(N/25mm)Tensilestrength(N/25mm)Elongationat break(%)Breakdownvoltage (VEFF)Polyester laminate51044 PV3 (1)FR Polyester/Non-woven0.170 0.230 AT white 11.8 137 60 6500Aramid/polyester laminates and aramid paper4350 PV3 Nomex ® /polyester0.050/0.0250.130 AT FR white 11.8 118 10 600056228 PV3 (1)FR Nomex ® 0.050 0.090 AT FR white 11.8 78 10 200056228 PV3-3 Nomex ® 0.075 0.125 AT FR white 11.8 118 10 3000Cloth polyester51600 PV3 Clothpolyester0.125 0.180 AT white 11.8 314 12 2000Glass cloths4636 PV3 (1) Glass cloth 0.150 0.192 RT white 11.8 294 10 28004627 (2) Glass cloth 0.130 0.180 RT white 13.8 775 3 40004637 PV3 (1) Glass cloth 0.135 0.180 AT white 13.2 588 5 2500Polyimide film51579 PV3 Polyimide 0.025 0.072 A amber 8.3 137 80 6500Polyester or paper reinforced glass filament4238 PV3 (1) Polyesterreinforcedglassfilament52402 PV3 Paperreinforcedglassfilament0.110 0.190 A white 11.2 1176 3 65000.200 0.240 A beige 11.7 372 4 3000* 7 colors: yellow, red, blue, black, green, white, transparentFR Flame Retardant. (1) UL approved under UL file E 315249 or E 315208.(2)UL approved under their own supplier numbers available upon request.(R) Natural rubber, (RT) Thermosetting rubber, (A) Acrylic, (AT) thermosetting acrylic,(AT FR) Thermosetting acrylic Flame Retardant (Si) SiliconeNomex ® is Trade Mark of Dupont de Nemours. Apical ® is trade name of Kaneka CorporationStandard LengthProduct number33 M 4419PV3 – 4428PV3 – 4428PV3-32 – 4638PV3 – 51117PV3DS – 51202PV3 – 51579PV350 M 4350PV3 – 4560PV3 – 4561PV3 – 51044PV3 – 51600PV3 – 52204 – 54657PV3 –56228 PV3 – 56228PV3-355 M 4238PV3 – 4627 – 4636PV3 – 4637PV3 – 52402PV366 M 50501 – 51350PV3 – 51350PV3-2 – 51596PV5 – 58010 – 6215PV3100 M 4138

Isotape ® Adhesive Tapes for Electrical Insulation 5Insulation class 180°C (H)ProductBackingBackingthickness(mm)Totalthickness(mm)AdhesivetypeColorAdhesionto steel(N/25mm)Tensilestrength(N/25mm)Elongationat break (%)Breakdownvoltage(V EFF)Glass cloth4638 PV3 (1)FR Glass cloth 0.120 0.190 Si white 9.45 588 5 3200Polyimide films4428 PV3 (1)FR PolyimideApical ® film0.025 0.064 Si amber 5.8 122 70 65004428 PV3-32 Polyimide 0.025 0.053 Si amber 5.7 120 35 50004419 PV3 Polyimide 0.050 0.090 Si amber 5.3 113 40 650054117 PV3DS doublesidedPTFE filmPolyimide 0.025 0.080 Si bothsidesbeige 12.7/1.5 127 80 650051202 PV3 (1)FR PTFE 0.050 0.098 Si darkbrown8.8 118 120 10000Aramid paper56228 PV3 S Nomex ® 0.060 0.100 Si white 7.5 100 15 3000Specialties54657 PV3 Stabilizedcottonfabric0.180 0.260 R grey 9.8 186 20 200052204double sidednon wovenpolyester– 0.100 A white 50 – – –6215 PV3 polyesterfilm0.050 0.089 Si greentranslucent7.8 196 110 6000We are certified ISO 9001 and 14001.UL Approval E 315 249 or E 315 208 for Isotape products when marked (1)Log rolls standard width510 mm 640 mm 756 mm 760 mm 800 mm 880 mm 960 mm 975 mm 1000 mm51202 PV3 50501clear4627 58010 51600PV3 4350PV3 51044PV3 4238PV3 4419PV356228PV3 4238PV3 R 4428PV351350PV351350PV3-24428PV3-3254117PV3DS51579PV352402PV31235 mm 1020 mm 1040 mm 1075 mm 1220 mm 1245 mm 1250 mm 1500 mm50501 color 54657PV3 4560PV3 4638PV3 4636PV3 6215PV3 4138 522044561PV34637PV3

6 Isotape ® Adhesive Tapes for Electrical InsulationGeneral SpecificationsAdhesive typesNatural rubberNatural rubber adhesiverequires a lowest temperaturecure cycle to reachits maximum performancebut is limited at 130 °C forcontinuous use.ThermosettingAdhesive which increasesits adhesion power afterthe first heat exposure andremains set regardlesssubsequent temperaturecycle.AcrylicAcrylic adhesive resists tovarnish solvents even if notfully cured. Acrylic offers ahigh ageing resistance until155 °C.Flame retardantAbility of the tape to withstandexposure to flame.FR material will not burnwhen exposed to the flameand will not continue toburn when the flame isremoved.Quick stick or tackAbility of the tape to adhereto the surface under a verylight pressure. It deter minesthe ability of the adhesive toquickly wet the surfacecontacted.SiliconeSilicone adhesive is usedwhen extremely hightemperature is requiredand up to 180 °C. Theheat cycle for this adhesiveis higher and longer.Temperature ratingEach adhesive tape is allowed to be used at continuoustemperature level as shown in this table:This temperature index is for continuously use of20 000 hours.InsulationclassTemperatureratingA 105°CB 130°CF 155°CH 180°CC 200°CThermosetting cyclesRubber adhesiveat 120 °C (250 °F): 3 hoursat 130 °C (275 °F): 2 hoursat 150 °C (300 °F): 1 hourAcrylic adhesiveat 120 °C (250 °F): 3 hoursat 130 °C (275 °F): 2 hoursat 150 °C (300 °F): 1 hourSilicone adhesiveat 260 °C (500 °F): 2 hours;24 hours recommended formaximum resistance tosolventStorage conditionsFor the best shelf life,15 °C < temperature < 25 °CRelative Humidity: 50% (± 30%) Rolls intheir original packaging, protected fromdust and UVSlitting toleranceFilms ± 0,4 mm ( ±1/64”)Cloths ± 0,4 mm ( ±1/64”)Laminates ± 0,4 mm ( ±1/64”)Length > 100 m ± 0,8 mm ( ±1/32”)

Isotape ® Adhesive Tapes for Electrical Insulation 7UL List of Isotape Adhesive tapesInsulating Tape-ComponentVon Roll Deutschland GMBH Theodor-Sachs Strasse 186199 Augsburg, GermanyOANZ2.E315249E315249PET insulating tape, with acrylic adhesive, Cat. No. 51318 PV3+$, rated 130°C.PET insulating tape, with acrylic adhesive, Cat. No. 51350 PV3+@, rated 130°C.Reinforced PET insulating tape, with rubber based adhesive, Cat. No. 51044 PV3+$,rated 130°C.Acetate cloth insulating tape, with rubber adhesive, Cat. No. 4561 PV3+, rated 105°C.PET film with non-woven polyester reinforcement fibers, with acrylic adhesive,Cat. No. 51595 PV3+#, rated 130°C.PET film with non-woven polyester reinforcement fibers, with rubber adhesive,Cat. No. 51596 PV3+#, rated 130°C.Polyimide insulating tape, with silicone adhesive, Cat. No. 4428 PV3+, rated 200°C.Aramid paper insulating tape, with acrylic adhesive, Cat. No. 56228 PV3F+, rated 155°C.PTFE Teflon coated glass cloth insulating tape, with silicone adhesive, Cat. Nos. 51200PV3+, 51201 PV3+, rated 180°C.PTFE Teflon insulating tape, with silicone adhesive, Cat. Nos. 51202 PV3+, rated 180°C.Glass cloth insulating tape, with rubber adhesive, Cat. No. 4636 PV3+$$$$, rated 155°C.Glass cloth insulating tape, with acrylic adhesive, Cat. No. 4637 PV3, rated 155°C.Glass cloth insulating tape, with silicone adhesive, Cat. No. 4638 PV3+, rated 200°C.Glass filamat reinforced PET film insulation tape, with acrylic adhesive, Cat. No. 4238PV3$$$, rated 155°C.+ Complies with flame retardant requirements when so marked@ May be marked “Film side CTI Performance Level Category PLC = 1, Voltage 560, per UL 746A/ASTM D 3638”and/or “Adhesive side CTI Performance Level Category PLC = 0, Voltage 600, per UL 746A/ASTM D 3638” and/or“Adhesive side CTI 600 per IEC112, First Edition (1979) CTI Material Group I” or equivalent.$ May be marked “Film/adhesive side CTI Performance Level Category PLC = 0, Voltage 600 or greater, per UL 746A/ASTM D 3638” and/or “Adhesive side CTI 600 per IEC112, First Edition (1979) CTI Material Group I” or equivalent.$$$ May be marked “Film side CTI voltage 350, per IEC 60112, 4.1 Edition (2009) Material Group IIIa” and/or “Adhesiveside CTI voltage 550 per IEC 60112, 4.1 Edition (2009) Material Group II” or equivalent.$$$$ May be marked “Film side CTI voltage 600

We Enable EnergyVon Roll is the sole full-range supplier of materials and systems for the insulation of electrical machinesas well as high-performance products for various high-tech industries.Print: 4/2013MicaAll materials related to high-voltage insulation.Von Roll’s commitment to mica starts withmining and ends with finished tapes.Ballistic ProtectionHigh-quality systems for armored defensebased on thermoset / thermoplastic productsin single-use or tailored combinations.WiresInsulated round, flat and Litz wires for highvoltage,low-voltage and electronic applications.CablesMica tapes for fire-resistant cables. Von Rollprovides a wide range of products that areideally suited to all commonly used standards.LiquidsImpregnation resins for high- and low-voltage,potting resins, casting resins, as wellas encapsulating and conformal coatings.CompositesEngineered materials made from a resin and asupport structure with distinct physical, thermaland electrical properties. They can be molded,machined or semi-finished.FlexiblesInsulating flexible materials for low-voltageapplications such as flexible laminates andadhesive tapes.TransformersHigh-perfomance transformers for powertransmission and distribution, solutions tailoredto all applications of today’s energy-supplycompanies.WaterVon Roll Water provides solutions for processengineering tasks in the field of water andwaste water management.TestingVon Roll provides electrical, thermal andmechanical testing of individual materials aswell as complete insulating systems.TrainingVon Roll Corporate University provides atraining program in high- and low-voltageinsulation for its customers.Please contact us per email cs_europe_adhe@vonroll.com or visit our website www.vonroll.com for further information:Customer ServiceEuropeVon Roll Schweiz AGPasswangstrasse 204426 BreitenbachSwitzerlandP +41 61 785 5111F +41 61 785 5188Von Roll Deutschland GmbHTheodor-Sachs-Str. 186199 AugsburgGermanyP +49 821 902 308F +49 821 902 239Asia/PacificVon Roll Asia Pte Ltd.6 Serangoon North Avenue 5#03-01Singapore 554910SingaporeP +65 6556 4788F +65 6556 4959AmericasVon Roll do Brasil Ltda.Av. Aruana, 20106410-010 Sao PaoloBrazilP +55 11 4208 5995F +55 11 4193 6789About Von RollWe Enable Energy – As one of Switzerland’s longest established industrial companies, Von Roll focuses onproducts and systems for power generation, transmission and distribution. Von Roll’s business portfolio is dividedinto three business lines: Von Roll Insulation offers electrical insulation products, systems and services for generators,high- and low-voltage motors, transformers and other applications. Von Roll Composites producescomposite materials and parts for assorted industry appliances. The business line Von Roll Technologiesincludes the new sustainable technologies: Von Roll Transformers and Von Roll Water. Von Roll Transformersoffers complete solutions for the fast-expanding market of high-performance trans formers. VonRoll Water provides solutions for process engineering tasks in the field of water and wastewater management.All information in this document subject to the product liability clause as published on the website www.vonroll.com under General Terms and Conditions.