Flexible Materials
Electrowind Converting Solutions offers precision converting services for a wide variety of flexible (thin, flat) materials. We specialize in converting electrical insulating materials and adhesive tapes while offering contract converting capabilities for a wide variety of flexible materials.
Insulating Papers
| Material/Trade Name | Thermal Class | Typical Colour | Features/Benefits | Typical Applications |
|---|---|---|---|---|
| Nomex® Aramid Paper | Class R-220°C | Yellow | -exceptional temperature resistance -outstanding mechanical toughness -inherent dielectric strength -excellent flame resistance -excellent chemical resistance | -oil-filled transformers -dry-type transformers -electric motors -traction motors -high voltage applications -lighting ballasts -mining equipment -welding equipment -communication and data centres |
| COPACO Rag Paper | Class A-105°C | Gray | -extremely high tensile strength, tear, burst and dielectric properties -easy insertion and application -excellent abrasion resistance -easy to punch, form and crease | -slot cell liners in armatures -slot cell liners and phase insulation in stators of fractional HP motors -core and layer insulation in transformers -washers, gaskets, shielding and barrier insulation -power tools -lighting ballasts -appliances -windshield wiper motors -power window motors |
| Kraft Paper | Class A-105°C | Brown | -high-strength -excellent electrical properties -pinhole-free structure -can be dyed to various colours | -oil-filled transformers -power and distribution transformers |
| TufQUIN® Inorganic/Organic Hybrid Paper | Class H-200°C | Natural | -physically tough -cost-effective -flexible -conformable -high tensile strength and excellent tear resistance | -dry-type transformers -electric motors -generators -slot liners -wedges -phase insulation -wire and cable wrap -switchgear insulation -spiral and convolute tubing |
| Crepe Paper | Class A-105°C | Brown | -high elongation -low dissipation factor -elasticity and pliability | -suitable for high voltage bushings and instrument transformers -joining and forming tapping leads -wire wrapping -shielded rings placed within end sections of power transformer winding |
| Fish Paper Vulcanized Fibre | Class A-105°C | Available in various colours | -high strength -lightweight -excellent electrical insulating properties -flexible -easy to fabricate -resistant to heat and cold | -end laminations for electric motors -oil-filled transformers -washers -electrical appliances -gaskets -fuse tubes -circuit breakers -railroad track insulation -bushings for motor contacts -electrical devices -automotive parts |
| CeQUIN® Inorganic Insulating Paper | Class R-220°C | White | -excellent thermal and dielectric stability -high thermal conductivity -long term voltage endurance -low moisture absorption -improved cut-through resistance -easily impregnated -compatible with commonly used impregnating varnishes and resins | -electrical insulation applications up to 220°C -Class R-220 coil applications -wire wrap in the manufacturing of 250°C rated appliance wiring material for use in high temperature, severe environments -layer insulation in dry-type transformers -interwinding insulation in strip-wound coils |
Insulating Laminates
| Material/Trade Name | Thermal Class | Typical Colour | Features/Benefits | Typical Applications |
|---|---|---|---|---|
| DM - (Dacron® -Mylar®) 2-Ply Laminate | Class F-155°C | Blue | -economical -tough -excellent resistance to cut-through and edge tear | -electric motors -generators -transformers -ground and wrapper insulation in dry-type transformers -used in fractional and large rotating electrical equipment as slot, phase and end-turn insulation -slot interlining insulation -wedges |
| DMD - (Dacron® -Mylar® -Dacron®) 3-Ply Laminate | Class F-155°C | Blue | -economical -tough -excellent electrical and mechanical properties -excellent resistance to cut-through and edge tear -easy processing on automatic machines due to smooth Dacron surface on both sides of material | -electric motors -generators -transformers -ground and wrapper insulation in dry-type transformers -used in fractional and large rotating electrical equipment as slot, phase and end-turn insulation -slot interlining insulation -wedges |
| NM – (Nomex®-Mylar®) 2-Ply Laminate | Class F-155°C | White | -cost-effective -thin -high dielectric strength, tear, tensile and burst strength -long-term thermal stability | -small electric motors -slot liners, wedges and phase insulation in Class F motors and specialty Class B motors -generators -transformers -ground and wrapper insulation in dry-type transformers |
| NMN – (Nomex®-Mylar®- Nomex®) 3-Ply Laminate | Class H-180°C | White | -cost-effective -motor manufacture and repair facilities like the ability to standardize on NMN and use one insulation material for all motors -high dielectric strength -good initial tear strength and tensile properties -long-term thermal stability | -slot liners, wedges and phase insulation in Class H motors and generators as well as in large and specialty Class F motors -hermetic applications -typically used in cost-critical designs -generators -transformers -ground and wrapper insulation in dry-type transformers |
| TF – (TufQUIN®-Mylar®) 2-Ply Laminate | Class H-200°C | Natural | -excellent dielectric strength -uniquely suited for motor/generator slot liner, wedge and phase insulation applications | -dry-type transformers (ground and layer insulation) -motors -generators -slot liner -wedge -phase insulation -heavy-duty winding applications -automatic insertion applications |
| TFT – (TufQUIN®-Mylar®- TufQUIN®) 3-Ply Laminate | Class H-200°C | Natural | -excellent dielectric strength -uniquely suited for motor/generator slot liner, wedge and phase insulation applications -excellent for automatic insertion | -dry-type transformers (ground and layer insulation) -motors -generators -slot liner -wedge -phase insulation -heavy-duty winding applications -automatic insertion applications |
| RM – (Rag-Mylar®) 2-Ply Laminate | Class B-130°C | Gray | -tough, affordable laminates for a wide variety of applications -excellent resistance to cut-through and edge tear -wide range of constructions to optimize mechanical and electrical designs | -motors -generators -transformers -sub-fractional to the largest rotating electrical equipment as slot, phase and end-turn insulation -ground and wrapper insulation in dry-type transformers -formed and fabricated parts -power tools -small motor applications -RM 2-ply is popular for many power tool and other small motor applications |
| RMR – (Rag-Mylar®-Rag) 3-Ply Laminate | Class B-130°C | Gray | -tough, affordable laminates for a wide variety of applications -excellent resistance to cut-through and edge tear -wide range of constructions to optimize mechanical and electrical designs | -motors -generators -transformers -sub-fractional to the largest rotating electrical equipment as slot, phase and end-turn insulation -ground and wrapper insulation in dry-type transformers -formed and fabricated parts |
| NK – (Nomex®-Kapton®) 2-Ply Laminate | Class R-220°C | Beige | -excellent for high-temperature applications -will not delaminate or blister at high temperatures -high dielectric strength -good initial tear strength and tensile properties -long thermal stability -improved propagation tear strengths | -motors and generators of many sizes and temperature classes -most commonly used for slot liners, wedges and phase insulation in motors and generators which have thermal requirements above Class H applications |
| NKN – (Nomex®-Kapton®-Nomex®) 3-Ply Laminate | Class R-220°C | Beige | -excellent for high-temperature applications -will not delaminate or blister at high temperatures -high dielectric strength -good initial tear strength and tensile properties -long thermal stability -improved propagation tear strengths | -motors and generators of many sizes and temperature classes -most commonly used for slot liners, wedges and phase insulation in motors and generators which have thermal requirements above Class H applications -interlayer insulation in transformers and other electrical machines and appliances |
Insulating Films
| Material/Trade Name | Thermal Class | Typical Colour | Features/Benefits | Typical Applications |
|---|---|---|---|---|
| PET Polyester Film (Mylar®/Teijin®) | Class F-155°C | Clear | -cost-effective -chemical inertness -good dielectrics -high temperature durability -good handling characteristics -various constructions available -easy to fabricate -excellent release film | -electric motor insulation -transformer insulation -electronics -imaging and graphics -packaging -gaskets -edge reinforcement -embossing -window film -release films -solar control structures |
| PI Polyimide Film (Kapton®) | Class H-180°C | Amber | -wide temperature range -high tensile strength -high wear tolerance -high temperature tolerance -chemical-resistant -excellent balance of properties -easy to fabricate | -mechanical parts -electronic parts -electrical insulation -wire wrap -pressure sensitive tape -LCD alignment layer -fiber optics cable -insulation blankets -insulation tubing -automotive, diaphragms, sensors and manifolds -etching -shims |
| Tedlar® PVF Polyvinyl Fluoride Film | n/a | Transparent | -inert | -apply to surfaces for anti-graffiti purposes, film can easily be cleaned to remove graffiti -ideal release film due to non-stick properties -ideal for use in high voltage electrical power applications -gas sample bags -printed circuit boards -solar panels -aerospace -architectural substrate protection -transit interior protection -wind turbine blades release film and protection -printing applications |
| PTFE Polytetrafluoroethylene Film (Teflon®) | Class H-200°C | White | -low friction coefficient -high heat resistance -high resistance to chemicals and solvents -anti-stick -high dielectric properties -non-toxic -excellent release film -virgin grade available | -wire and cable insulation -release films and dielectric insulation layer for circuit boards -ultra-pure packaging for valuable pharmaceuticals and chemicals -batteries and fuel cells -release sheet in LCD manufacturing -seals in large chemical tanks -expansion joint components -release films in composite molding including wings of aircraft -pre-filters for medical and microelectronics equipment and gas vents for chemical containment -high performance convoluted hose |
Insulating Cloths/Fabrics
| Material/Trade Name | Thermal Class | Typical Colour | Features/Benefits | Typical Applications |
|---|---|---|---|---|
| Varnished Polyester Glass Fabric | Class F-155°C | Yellow or Black | -high degree of conformability -high dielectric strength -flexible, tough construction for ease of insertion -good punch-through and abrasion resistance -excellent upgrade from cotton based materials -compatible with most varnish and resin systems | -electric motors -generators -transformers -phase separation -slot liners -barrier and layer insulation -bus bar -coil wrapping |
| High -Temperature Varnished Polyester Glass (THERM-AL® H75) | Class H-180°C | Yellow | -exceptional flexibility -high crease-tear resistance -tough, durable material -conformability characteristics not seen in ordinary glass substrates -thermal endurance in excess of 50,000 hours at 180°C | -electric motors -generators -transformers -phase separation -slot liners -barrier and layer insulation -bus bar -coil wrapping -motor lead tie down and connector tape |
| CHEMFAB® PTFE Coated Fiberglass Fabric | n/a | Tan | -strong, durable and long lasting in demanding environments -allow for consistent performance and processing at high and low temperatures -reliable containment and barrier solution -economical | -roofing membranes -chemical barrier membranes -expansion joint fabrics -easy release platen covers -insulation layer and bearing surfaces -cooking release sheets -conveyor belts -release sheets -gaskets -heat sealing -packaging |
| Polyester Felt (Dacron®) | n/a | White | -economical -high-temperature felt -low density -compressible -conformable -porous | -filtration applications -gaskets -wipers -padding -surgical fabrics -reinforcement matting |
Specialty Flexible Materials
| Material/Trade Name | Thermal Class | Typical Colour | Features/Benefits | Typical Applications |
|---|---|---|---|---|
| Rubber | n/a | Available in various colours | -excellent elasticity -very tough -water repellent and resistant to alkalies and weak acids -impermeable -good electrical insulator | -electrical insulation -seals -gaskets -o-rings -rollers and belting -medical applications -aerospace applications -electronics applications -clothing and footwear |
| PVC Vinyl | n/a | Available in various colours | -economical -flexible and conformable -fire-resistant -strong and durable -resistant to moisture, humidity, chemicals, corrosion, abrasion, UV degradation, extreme temperature and more | -wire and cable wrap -furniture -flooring -vehicle accessories -displays and signage -medical products -clothing -bags and accessories |
| Paper | n/a | Available in various colours | -economical -thin -versatile | -packaging |
| Transformerboard/Pressboard | Class A-105°C | Brown | -calendered -free from metallic particles -specifically designed for curved insulation components | -curved insulation components -cylinders, punchings, stamped pieces and machine-formed parts in power, distribution and specialty transformers |
| Nomex® Densified Pressboard | Class R-220°C | Natural | -excellent balance of rigidity and conformability -outstanding saturabilty -excellent properties in oil | -designed specifically for oil-filled transformers -3-dimensional parts such as V-rings, angle rings and spools -barrier, gap spacers and core tubes -well suited for larger transformer designs -structural components |
| Flame Barrier FRB Laminate | Class B-130°C | Available in various colours | -excellent flame barrier -excellent ignitability resistance -excellent arc and track resistance -good dielectric strength -dimensionally stable | -general purpose lighting luminaries (including LED type) -high temperature label -electric and hybrid electric vehicles (between batteries, power converters, etc.) -appliances (vacuum cleaners, slow cookers, rice cookers, etc.) -electrical devices (timers, actuators, switches, etc.) |
| Mica | n/a | Natural | -flexible and can be formed at room temperature -asbestos free -high temperature resistance -excellent thermal and electrical properties | -electro-domestic appliances such as hair dryers, fan-heater type space heaters, circuit breakers and transformers, etc. -sheathing and covering -used as a separator or insulati foil -its spring power is used in some applications -electric arc furnace -heating elements for industrial and household appliances -for extreme high temperature applications |
| Copper Foil | n/a | Copper | -very high thermal and electrical conductivity -malleable -ductile -aesthetically pleasing | -cable wrap -batteries -circuit boards -transformers -solar/alternative energy -window and stained glass |
| Aluminum Foil | n/a | Aluminum | -1/3 the density of copper or steel -malleable -ductile -easy to fabricate | -automotive -medical packaging -electronics -circuit boards -sound dampening -shielding |
| Stainless Steel Foil | n/a | Steel | -non-corrosive -non-magnetic -non-staining -aesthetically pleasing | -automotive -surgical instruments -architecture -heat treating -solar/alternative energy |