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2 Impregnating Resins and VarnishesWe Enable EnergyAs one of the oldest industrial companies of Switzerland, founded in 1803, we focus on productsand systems for power generation, transmission and distribution, rotating machines and mechanicalengineering. Von Roll is the global market leader for insulations products and the onlycompany to offer the complete range of insulation products, composites, consulting, tests andservices for the electro-technical industry.For more than 100 years, we have been making outstanding contributions to this market, developinga number of highly innovative products that have enabled both steady increases in poweroutput 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 systemsVon Roll provides a comprehensive product spectrum of resins and varnishes for theelectrical industry. These products have the following characteristics:» For high voltage applications» For low voltage applications» To meet all international standards» Wide range of environmental-friendly products» A wide choice of thermal classes up to class C

Impregnating Resins and Varnishes 3Vacuum Pressure Impregnation (VPI) ResinsVacuum pressure impregnation is a leading process for the handling of resin in traction motors,high-voltage motors and generators. Whether your company uses a single-bar or a global impregnationprocess, we assist you in selecting the most appropriate resin for your application. Thanks toour expertise in VPI systems, system components and high-voltage testing, we are able to provideunrivalled guidance in testing and assessing the performance of our resin in your system.Please ask for our technical support for the first impregnation trials: we will help you to fine-tuneyour processes to get the most out of our impregnation resin.This brochure includes a selection of our finest resin choices in either epoxy, polyester, polyesterimideor silicone chemistries. All resins have been tested and proven in our laboratories andhave been successfully used by our customers.1.Transfer preheatedobject to vacuum vessel.Pull vacuum.2.Transfer resin under vacuum(the vacuum pump must beclosed). Allow time to soak.3.Release vacuum.Apply positive pressure.4.Transfer resin back to storagetank. Put object back in ovenand cure.ProductTractionDamisol ®3551Damisol ®3500LoVDamisol ®3412Permafil ®707ChemistryThermalclassDiluent/solventFlashpoint(°C)Viscosity at23°C(mPa.s)Storagetemp.(°C)Impreg.temp.(°C)Curingprocess*100% silicone C None > 100 1300 23 40–50 8 hat180°CEpoxy withoutsolventF None > 100 600 23 23 6 hat160°CEpoxy 2K F None > 100 1000 < 5 23 10 hat150°CPolyester H 9151 53 1000 23 23 8 hat150°CTraction and HV motors up to 6.6 kVDamisol ®3340Damisol ®3032Damisol ®3630MEVPolyesterimide(Samicabond)Polyesterimide(Samicabond)PolyesterimidegreenH 9151 53 200–500 23 23 8 hat150°CH 9117 32 200–300 23 23 8 hat140°CH None > 100 300 23 23 8 hat150°CComments on products anduse1K silicone resin. Excellentreference for high-temperatureresistantmotors, like traction.No VOC. One componentepoxy resin. Low viscosityfor easy traction motorsimpregnation.Highly reactive. Good resultson static curing. Very welladapted for traction motors.Alternative to silicone resinsfor AC and DC high-voltagetraction motors. Outstandingresistance to thermal shock.Highly reactive, yet highlystable room-temperatureimpregnating resin. Goodresults on static curing.Highly reactive, yet highlystable room-temperatureimpregnating resin. Goodresults on static curing.No VOC, very reactive, yethighly stable room temperatureimpregnating resin- Goodresults on static curing.Outstanding results on micatape Samicabond TM 315.45.*Without heating-up timeNA: not applicable

6 Impregnating Resins and VarnishesThe Green and Clean ResinsAll our new products Damisol ® , Damicoat ® and Damival ® are engineered to be environmental friendly,safe, clean and economical, with low processing and maintenance costs. The high quality of our lastresins and varnishes innovation is the result of strong worldwide collaboration with customers, externalpartners and different Von Roll R&D teams.Von Roll provides extensive support to the industry thanks to its certified laboratory for voltages below 600Vin Schenectady (USA) and thanks to high-voltage laboratories in Breitenbach (CH). In the industry severalEuropean, as well as global environmental programs and directives are already in effect:» REACH (Registration, Evaluation and Authorization of Chemicals)» ROHS (Regulation on Health and Safety)» VOC (Volatile Organic Compound directives 1 999/13/CE-2004.42/CE)Von Roll is in excellent position to offer highly technical as well as economical solutions in order to facethese so called “green challenges”. Here’s the table selection of VOC free, high flash point, green and cleanVon Roll impregnating resins:ProductChemistryThermalclassViscosity at23°C (mPa.s)CuringtimeProcessMax.voltage KVMainapplicationComments on products and useDamisol ®3630 MEVPolyesterimidegreenH 300 8 hat 150°C*VPI 6.6 Windturbine,Traction,RepairHighly reactive, yet very stable roomtemperature impregnating resin. Goodresults on static curing. Excellent thermal,electrical and mechanical results in combinationwith Samicabond TM tape 315.45.Damisol ®3630 HTPPolyesterimidegreenH 300-600 2 hat 150°C*VPI/Dipping/Roll Dip3.3 Industrialmotors &generatorsLow viscosity resin for quick and easyimpregnation. Highly reactive, yet highlystable resin which allows hot dippingprocess without any gellification risk.Damisol ®3630 HIRPolyesterimidegreenH 300-600 30 mnat 150°C*Dipping/Trickle/Roll dip1 Industrialmotors &powertoolsHighly reactive resin for quick continuousprocess. Strong mechanical propertieseven at high temperature including 180°C.Gelgreen3637PolyesterimideH 40.000thix**30 mnat 150°C*Trickle 1 Industrialmotors &powertoolsEnd of development phase. Excellent bondingresin for power tools collectors.Highlyflexible. No cracks even in thick layers.Damisol ®3630 VPIPolyesterimidegreenH 3000thix**2 hat 150°C*VPI 3.3 Industrialmotors &generatorsThixotrop resin used to improve theresin slot fill as the endwindingsbonding and protection. Outstandingthermal resistance properties.Damisol ®3630 XLEPolyesterimidegreenH 7000 2 hat 150°C*VPI/ HotDipping1 Industrialmotors &generatorsHighly flexible with extremely low emissionresin. Outstanding resin slot fill. Excellentend windings bonding and protection.Damisol ®3500 LoVEpoxy 1K H 600 6 hat 160°C*Dipping/VPI6.6 Industrialmotors &generators,TractionMultipurpose solventless varnish. NoVOC. Outstanding stability anddielectrical properties up to class Happlication. Recommended onatmospheric, V(P)I or hot-impregnationdipping process for low- to mediumvoltagemotors and transformers.Damisol ®3500 HiREpoxy 1K H 600 30 mnat 160°C*Trickle/Roll dip1 Industrialmotors &generators,TractionMultipurpose solventless varnish basedon epoxy chemistry. No VOC.Outstanding reactivity and mechanicalproperties up to class H application.Recommended on trickling and diprollingprocess for low-voltage motors.Damisol ®3551Silicone C 750 8 hat 180°C*VPI 6.6 Traction &HT° motors1K silicone resin for class C application.Excellent reference for high-temperature-resistanttraction motors.*T° measured on Copper**Thixotropic effect

Impregnating Resins and Varnishes 7Trickle and Dip-Roll ResinsProduct Chemistry ULGelcoat ®3007-2Damisol ®3030-2Damisol ®3026-2Damisol ®3032Damisol ®3040Damisol ®3630 HTPDamisol ®3630 HiRDamisol ®3637Damisol ®3500 HiRDamisol ®3500 HTCSpecial 2Kpolyester2KPolyesterimide2KPolyesterimideThermalclassDiluent/solventFlashpoint(°C)Viscosityat 23°C(mPa.s)Yes F 9117 32 22.000thix**Curingprocess*15 mnat 120°C*Yes H 9117 32 85 5-7 mnat 120°C*Yes H 9117 32 150 8-12 mnat 120°C*Polyesterimide Yes H 9117 32 200–300 30 mnat 130°C*Polyesterimide/epoxyYes H 9153 39 200 30 mnat 150°C*Polyesterimide Yes H None > 100 300–600 2 hat 150°C*Polyesterimide Yes H None > 100 300–600 30 mnat 150°C*PolyesterimideOngoingHongoingNone > 100 40.000thix**30 mnat 150°C*Epoxy 1K Yes H *None > 100 600 30 mnat 160°C*Epoxy Yes H None > 100 1400 30 mnat 150°C*Comments on products and useExcellent bonding resin for power tool collectors.Very high mechanical properties under high stress.Strongly reactive, resistant to high mechanicaland electrical stress resin. Mainly used forrotors (power tools).Multipurpose resin. Highly reactive comparedto any other single-component resins, yetvery stable.Multipurpose resin. Excellent high-temperaturemechanical properties. Commonly usedon low-voltage motors and generators.No VOC class H resin. Low viscosity for easyroll dipping process.No VOC class H. Highly reactive resin for quickcontinuous process. Strong mechanical propertieseven at high temperature including 180°C.End of development phase. No VOC. Excellentbonding resin for power tools collectors.Highly flexible. No cracks even in thick layersNo VOC. Low viscosity and high reactivityepoxy resin. Outstanding mechanical andchemical resistance properties.No VOC. High reactivity slightly filled epoxyresin. Outstanding mechanical and chemicalresistance properties with double thermalconductivity.*Measured on Copper**Thixotropic effectBonding and Encapsulation ResinsProductDamisol ® 2154**Damival ® 15182OA/Damival ® 15174OBDamival ® 15182OA/Damival ® 9030Damival ® 15230OA/Damival ® 15230OBDamival ® 15350NA/Damival ® 15210OBDamival ® 13553AN/Damival ® 13500ChemistryEpoxy waterbasedvarnishEpoxy 2KunfilledEpoxy 2KunfilledEpoxy 2KfilledEpoxy 2KfilledPoylurethane2KThermalclassDiluent/solventFlashpoint(°C)Viscosityat 23°C(mPa.s)Curingprocess*F/H Water > 100 450 6-8 hat 135°C*F NA > 100 1500 24 hat 25°C*H NA > 100 4000 4 hat135°C*F NA > 100 10,000 24 hat 25°C*F NA > 100 2300 24 hat 25°C*F NA > 100 3000 12 hat 25°C*Comments on products and useSpecific water-based varnish used to gluepower generators and stator plates.Low-viscosity cold-curing class F system forglass and polyester fiber impregnation.Already approved for high-voltage generators.Hot-curing system with higher temperatureresistance than Damival ® 15182OA / 15174OB.Already approved for high-voltage generators.Cold-curing system, suitable for casting ofend bars connection boxes. Alreadyapproved for high-voltage generators.Cold-curing system, low viscosity, UL94 V0approved, excellent level of thermal conductivity,suitable for low-voltage stator encapsulation.Exists in highly crack resistant versionCold-curing system, UL94 V0 approved,low smoke emission type, good thermalconductivity, suitable for low-voltage statorencapsulation.*Measured on Copper **Under press NA: not applicable

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.Please contact us 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 France SA145, rue de la RépubliqueBP 12869883 MeyzieuFranceP +33 478 04 59 04F +33 478 31 66 43TransformersHigh-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.Asia/PacificVon Roll Asia Pte Ltd.6 Serangoon North Avenue 5#03-01Singapore 554910SingaporeP +65 6556 4788F +65 6556 4959AmericasVon Roll USA, Inc.200 Von Roll DriveSchenectadyNY 12306USAP +1 518-344-7100F +1 518-344-7288About 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 produces compositematerials and parts for assorted industry appliances. The business line Von Roll Technologies includes the newsustainable technologies: Von Roll Transformers and Von Roll Water. Von Roll Transformers offers completesolutions for the fast-expanding market of high-performance trans formers. Von Roll Water provides solutions forprocess 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.