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| Varflex Electrical Insulating Sleeving Products |
Varflex does all of its own braiding, in house. The sleevings we produce are braided, primarily, with fiberglass yarns whose properties include high tensile strength, non flammability, heat resistance and excellent resistance to fungus, moisture and chemicals. Although fiberglass filaments are the most popular, sleevings of nylon, polyester, Nomex®, Dacron®, Kevlar®, polypropylene and other yarns also are available.
All are available with inside diameters corresponding to AWG (American Wire Gage) as well as larger fractional sizes, some as large as four, five and six inches. Most are produced in standard wall thicknesses, but some heavy walls, as well as double- and triple-wall constructions are available to satisfy specific design requirements while, of course, affording the normally high temperatures resistance associated with fiberglass. Braided fiberglass sleeving products manufactured by Varflex are available in both coated and uncoated (untreated or lightly treated) sleevings.
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Varflex Coated Sleevings include: |
| Varglas 240 Silicone Rubber |
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Class 240 “S” (-80°C to 240°C), UL VW-1, CSA VW-1/FT1 |
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A braided fiberglass sleeving coated with a specially formulated, proprietary silicone rubber that exhibits exceptional high-temperature properties. In addition to its flexibility, toughness and abrasion resistance, it provides superior thermal protection and flame resistance with a higher dielectric capability at less weight than previously available. Available only in Grade A which is on the QPL for MIL-I-3190/9. |
| Varglas Viton® 231 |
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Class 220 “R” (-70°C to 220°C), UL VW-1 |
| A braided fiberglass sleeving coated with a silicone-free, modified Viton® fluoroelastomer with exceptional physical and electrical properties. It is extremely tough and flexible throughout a wide operating temperature range and has excellent solvent, fuel and chemical resistance. Available in the three top grades. Grade A is on the QPL for MIL-I-3190/7. |
| Varglas ES-4400 Silicone Rubber |
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Class 220 “R” (-73°C to 220°C), UL VW-1, CSA VW-1/FT1 |
| Produced by curing a specially compounded silicone gum with a select catalyst on a continuous length of fiberglass braid. In addition to providing superior dielectric and thermal protection, Varglas ES-4400 was developed to meet unusual fluid and flame resistance requirements. Available in the three top grades. Grade A is on the QPL for MIL-I-3190/8. |
| Varglas Silicone Rubber |
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Class 200 “H” (-73°C to 200°C), UL VW-1, CSA VW-1/FT1 |
| A fiberglass braid coated with a high-performance silicone rubber that, in addition to being flame resistant and extremely flexible, exhibits unusual toughness and abrasion resistance. Available in five grades. Grade A is on the QPL for MIL-I-3190/6. |
| Varglas Silicone Resin 500 |
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Class 200 “H” (-56°C to 200°C), UL VW-1 (Grade C-3 only) |
| A braided fiberglass sleeving with a flexible, silicone-composite coating that provides superior moisture and radiation resistance. Available as Silicone Resin 500 in the top four grades and as standard Silicone Resin in Grade C-3 with Silicone Resin 500 being a more flexible product designed to conform to sharp bends. Grade A is on the QPL for MIL-I-3190/5. |
| Varglas A397 & 343 Acrylics |
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Class 155 “F” (-25°C to 155°C), UL VW-1 (Grade C-3 only) |
| A fiberglass braid with a chlorine-free, modified acrylic resin coating that is resistant to most acids, organic solvents, oils and water. Available in either A397 (flexible) or 343 (less flexible), both of which are compatible with modified polyester, acrylic, epoxy, phenolic and formvar wire enamels. Available in five grades. Both products in Grade A are on the QPL for MIL-I-3190/3. |
Special Release Coat - When motors and other electrical apparatus are subject to encapsulation, their insulated lead wires can fuse together as a result of contact with the potting material. After curing, it then becomes necessary to separate the leads to facilitate their connection to their respective terminals. Pulling them apart in such situations can result in damage to their electrical-insulating acrylic coatings.
To overcome this problem, Varflex has developed its Special Release Coat. This optional treatment is applied as a topcoat and is available on all types, grades and colors of Varglas Acrylic Sleevings. Our Special Release Coat contains no waxes, silicones, stearates or halogens and separates cleanly from tested potting compounds.
| Varglas MegaWall Acrylic |
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Class 155 “F” (-25°C to 155°C) |
| Our standard Grade A Varglas 343 Acrylic sleeving is also available as Varglas MegaWall Acrylic Sleeving which is produced utilizing the same modified acrylic resin system, but with a minimum coating thickness of 0.020" that exhibits a dielectric strength of approximately 16,000 volts. This product enhancement also makes Varglas MegaWall Acrylic Sleeving ideally suited for use in systems and end products requiring extreme abrasion resistance. |
| Varglas VPI Acrylic |
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Class 155 “F”(-25°C to 155°C) |
| A Grade A, acrylic-coated fiberglass sleeving that has been overbraided with a secondary fiberglass braid which, in addition to providing increased physical protection, affords motor manufacturers, as well as rewinders, employing vacuum pressure impregnation (VPI) with both interior and exterior surfaces that are highly suitable for the absorption and retention of the low-viscosity, solvent-type and solventless resins utilized during the impregnation and drain cycles. |
| Varflo |
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Class 130 “B” (-34°C to 130°C), UL VW-1, CSA VW-1/FT1 |
| A braided fiberglass sleeving coated with a modified polyvinyl chloride resin that, in addition to providing flame and fungus resistance, has good flexibility and resistance to oils, solvents and moisture. Available in the three top grades. Grade A is on the QPL for MIL-I-3190/2. |
| Varfil |
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Class 130 “B”(-50°C to 130°C), UL VW-1 |
| The coating on this fiberglass braid is a polyvinyl chloride plastisol which has been modified with a polyester. This flame-resistant composite has improved properties over standard polyvinyl plastisol coatings in thermal endurance, chemical compatibility and solvent resistance. Available in the four top grades. |
| Varglas Hermetic |
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Class 130 “B” (-25°C to 130°C) |
| Produced by coating braided fiberglass with a highly-cross-linked, modified acrylic copolymer that is extremely flexible, tough and abrasion resistant. Specifically designed for hermetic motors, it is highly resistant to refrigerants, lubricants and solvents, and is free of contaminating impurities. Available in Grades B-1 and C-1 only. |
| Varflex Uncoated (untreated or lightly treated) Sleevings include: |
| Varglas S1600 |
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(-70°C to 482°C) |
| A high-strength, high-temperature sleeving braided from special S-2 Glass® fibers which, in addition to enhanced mechanical properties, provide thermal protection beyond the limits of conventional sleeving made from E-glass fibers. And, although both fibers have excellent resistance to all types of nuclear radiation, S-2 Glass®, unlike E-glass, is free of boron and, therefore, in the hostile environment of a reactor, will not decompose to form gaseous products. It is available in five types, all of which are noncorrosive, nonflammable and impervious to fungus attack. |
| Varglas Non-Fray |
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(-70°C to 316°C), UL VW-1 |
| A flexible, high-temperature secondary insulation made from closely braided, continuous-filament fiberglass which has been heat cleaned to remove impurities in the yarn and to retard fraying. It is available in four types (untreated or with various binder treatments to further retard fraying and hold sleeving round for cutting) all of which are noncorrosive, nonflammable and not attacked by fungus. |
| Silflex |
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(-50°C to 200°C), UL VW-1 |
| Produced from fiberglass braid impregnated with silicone resin, Silflex is used where flexibility and resistance to radiation, moisture and flame are essential. It offers electrical insulation resistance with minimum outgassing, particularly after a pre-bake, and readily accepts potting compounds. |
| A fiberglass braid treated with DuPont’s Volan® which acts a tie-coat or coupling agent between the fiberglass and any thermosetting resins subsequently applied to it by the customer. This coupling agent makes possible good physical adhesion through wetting and excellent chemical adhesion through chemical bonds. |
| Made from DuPont’s continuous filament Nomex® yarn, Varglas Nomex® is a closely braided sleeving which has good abrasion resistance and is free from impurities such as starch, oils and other binders. Nomex® is also available as Varglas Nomex® ML which is Nomex® braid with a light treatment of Pyre-ML®, a high-temperature, flame-resistant polyimide which has excellent frictional characteristics, exhibits low outgassing in high vacuum and resists radiation and organic materials at high temperatures. |
| Nylon (Untreated) |
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(-55°C to 105°C) |
| A sleeving braided from nylon yarns, this product has outstanding abrasion resistance and is the ultimate in flexibility. Manufactured in various wall thicknesses, it is intended for use over insulated wire and cable, not as primary insulation. |
| In addition to the above Varflex also offers: |
Varspan expandable monofilament sleevings are designed to provide mechanical protection. Their ability to expand to two to three times their original ID allows for ease of application and their “open-weave” braid construction, which will not trap heat or moisture, results in a cost-effective bulk/weight ratio. Varspan made with expandable polyester monofilaments is available in three types, Varspan GP (general purpose), Varspan FR (flame retardant), and Varspan HD (heavy duty).
Varspan made with expandable Halar® monofilaments is available as Varspan HT.
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| Extruded plastic tubing made from polyvinyl chloride (PVC) and its copolymers. Available in three types, Type SHH, Type 120/210 and Type 302/203, with each exhibiting a variety of performance characteristics. All are resistant to oils, alcohol, aliphatic solvents, acids and alkalies as well as to fungus growth and corrosion. Vartube Types SHH and 120/210 are both on the QPL for MIL-I-631. Type SHH complies with UL’s VW-1 Flame Test and CSA’s VW-1/FT1 Flame Test. |
| Extruded silicone rubber tubing made from silicone rubber elastomers. It exhibits high-heat resistance, low-temperature flexibility, excellent physical and mechanical properties, good weathering characteristics and resistance to most chemicals. |
| Varflex Electrical Insulating Sleeving and Tubing |
Varflex offers a complete line of electrical insulating sleeving (braided fiberglass), both coated & uncoated, & tubing (extruded PVC & silicone rubber) meeting military, UL & CSA requirements, including flame resistance. Varflex also braids sleeving from nylon, polypropylene, Nomex®, Kevlar®, Spectra®, & other exotic yarns, as well as wire, & does custom braiding & overbraiding.
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Spec.
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General Description |
UL
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CSA
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Military
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Varglas 240
Silicone Rubber
Class 240
-80°C to 240°C
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SILICONE RUBBER COATED FIBERGLASS Sleeving with an expressly formulated proprietary silicone rubber that exhibits exceptional high (and low) temperature properties and thermal protection along with flexibility, toughness and abrasion resistance. Complies with VW-1 Flammability requirements. |
E63450
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LR58486
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Varglas ES-4400
Silicone Rubber
Class 220
-73°C to 220°C
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SILICONE RUBBER COATED FIBERGLASS Sleeving produced by curing a specially compounded silicone gum with a select catalyst on fiberglass braid providing superior dielectric and thermal protection at less weight and developed to meet unusual fluid and flame resistance requirements. Complies with VW-1 Flammability requirements. |
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LR58486
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Varglas
Viton 231
Class 220
-70°C to 220°C
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VITON® COMPOSITE COATED FIBERGLASS Sleeving with excellent abrasion and cut-through resistance while offering improved flexibility throughout a wide-operating temperature range. Its resistance to solvents, both aromatic and aliphatic; fuels, including JP-5; and oils, including Skydrol®; place this fluoroelastomer above other available polymer-coated fiberglass braids. Complies with VW 1 flammability requirements. |
E53690
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Varglas
Silicone Rubber
Class 200
-73°C to 200°C
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SILICONE RUBBER COATED FIBERGLASS Sleeving utilizes a high-performance silicone rubber that is extremely flexible and exhibits unusual toughness and abrasion resistance. Complies with VW-1 flammability requirements. |
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LR58486
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Varglas
Silicone Resin
Class 200
-56°C to 200°C
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SILICONE RESIN COMPOSITE COATED FIBERGLASS Sleeving with superior moisture, heat and radiation resistance. Available as Silicone Resin 500 in the four top grades and as standard Silicone Resin in Grade C-3, a more flexible product designed to conform to sharp bends |
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LR58486
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Varglas
A397 & 343
Acrylic
Class 155
-25°C to 155°C
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ACRYLIC COATED FIBERGLASS Sleeving. Both A397 (flexible) and 343 (less flexible) Acrylics are resistant to most acids, oils, organic solvents, water, cut–through and abrasion. Both are compatible with a wide range of wire enamels and are designed to perform for long periods in a Class 155°C range, as well as at low temperatures, with no loss of electrical or physical properties.
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LR58486
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Varflo
Class 130
-34°C to 130°C
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VINYL COATED FIBERGLASS Sleeving using superior plasticizers, flame retardants and fungicides. Good flexibility and resistance to oils, solvents and moisture. Complies with VW 1 flammability requirements. |
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LR58486
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Varfil
Class 130
-34°C to 130°C
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POLYESTER-MODIFIED VINYL COATED FIBERGLASS Sleeving yielding improved properties over standard polyvinyl plasisol coatings with regard to chemical compatibility and solvent resistance (resists swelling in oil, xylol and trichloroethane). Complies with VW 1 flammability requirements. |
E53690
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Varglas
Non-Fray
-60°C to 316°C
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HEAT CLEANED FIBERGLASS Braided E-glass Sleeving heat cleaned to remove impurities in the yarn and retard fraying. Does not burn. Available in four types (untreated or impregnated with various binders) in both standard wall and heavy wall. |
E53690
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MIL-Y-1140
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Varglas S1600
-70°C to 482°C
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HEAT CLEANED FIBERGLASS Braided S-glass Sleeving produced from high-strength, high-temperature fibers. heat cleaned to remove impurities in the yarn and retard fraying. Does not burn. Available in four types (untreated or impregnated with various binders).
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MIL-R-60346
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Silflex
-56°C to 200°C
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HEAT CLEANED FIBERGLASS Braided Sleeving. A flexible, secondary insulation made from closely braided, continuous filament fiberglass yarns which, after heat cleaning to remove impurities such as starch, oils and binders, is impregnated with a high-temperature silicone resin. |
E53690
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MIL-Y-1140
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Nylon
-55°C to 105°C
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NYLON UNTREATED Sleeving braided from high-tenacity nylon yarns. A flexible, protective sheathing that exhibits outstanding toughness and abrasion resistance designed specifically for industrial end uses. |
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Varspan GP
Varspan FR
Varspan HD
-70°C to 125°C
Varspan HT
-70°C to 150°C
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VARSPAN EXPANDABLE MONOFILAMENT Sleevings are available as expandable polyester monofilament sleevings in three types (Varspan GP, Varspan FR and Varspan HD) or as an expandable Halar® E-CTFE monofilament sleeving (Varspan HT). All are designed to provide mechanical protection to wires, cables, hydraulic Lines, wire harnesses, etc. as well as to components of both regular and irregular shapes.
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Vartube
Type SHH
-25°C to 105°C
Type 120/210
-57°C to 90°C
Type 302/230
-74°C to 85°C
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EXTRUDED PVC Tubings made from polyvinyl chloride and its copolymers compounded to yield a variety of performance characteristics. All three types are resistant to oils, alcohol, aliphatic solvents, acids and alkalies, as well as to fungus growth and corrosion |
E69513
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MIL-I-631
QPL listed
MIL-I-7444
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