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COATED SLEEVINGS

Coated sleevings are a flexible, tubular product braided from fiberglass, nylon, or other fibers, which is impregnated, coated, or impregnated and coated with electrical insulating material. All electrical insulation sleevings are produced in the USA.

Coated Sleeving: Products

CLASS 240

VARGLAS 240 SILICONE RUBBER

S-A-1
( -80°C to +240°C) (-112°F to +464°F)

Varglas 240 Silicone Rubber sleevings conforms to and is listed on the qualified products list for, MIL-l-3190/9, latest revision (Grade A); and exceeds the requirements of UL 1441, Table 19.8; NEMA TF-1, Type 5; and ASTM-D372.​Under the Component Program of Underwriters Laboratories, Grade A Varglas 240

 

Silicone Rubber is recognized for 240°C, 600 volt service and complies with VW-1 flammability requirements under UL File #E63450. CSA International certifies the use of Grade A for 240°C, 600 volt service and VW-1 flammability under CSA File #LR58486.

Varglas 240 Silicone Rubber sleevings are suitable for industrial applications such as motors, generators, transformers and engines; where superior dielectric protection at elevated temperatures of 240°C is critical. 

Coated Sleeving: Products

CLASS 220

VARGLAS VITON® 231

R-A-1 | R-B-1 | R-C-1
(-70°C to +220°C) (-94°F to +428°F)

Varglas Viton® 231 sleevings conforms to, and is listed on the qualified products list for, MIL-l-3190/7, latest revision (Grade A), and exceeds the requirements of NEMA TF-1 and ASTM-D372.

 

Under the Component Program of Underwriters Laboratories, Varglas Viton® 231 Sleevings complies with VW-1 flammability requirements under UL File #E53690. It is incorporated in systems work, per UL Safety Standard 1446, to facilitate product acceptance by UL.

Varglas Viton® 231 sleevings are used when the need to maintain a silicone-free environment is important. It's excellent resistance to flames and abrasion make it ideally suited for the insulation of leads and connections of critical electrical components. Viton® 231 is used in DC generators and motors to reduce arcing problems; as well as for wire harnesses in areas where continuous operating temperatures run as high as 220°C. Varglas Viton® 231 is also used in transformers where resistance to high impingement velocity oils is required and, generally, where better solvent and oil resistance is needed.

VARGLAS ES-4400 SILICONE RUBBER

R-A-1 | R-B-1 | R-C-1
(-73°C to +220°C) (-100°F to +428°F)

Varglas ES-4400 Silicone Rubber sleevings conforms to, and is listed on the Qualified Products List for, MIL-l-3190/8, latest revision (Grade A). It also exceeds the requirements of NEMA TF-1, Type 5; and ASTM-D372.

Under the Component Program of Underwriters Laboratories, Grade A Varglas ES-4400 Silicone Rubber is recognized for 200°C, 600 volt service and complies with VW-1 flammability requirements under UL File #E63450 (VW-1 compliance of Grades B through C-1 is covered under UL File #E53690). CSA International certified the use of Grade A for 200°C, 600 volt service and flammability requirements under CSA File #LR58486 VW-1. Varglas ES-4400 is incorporated in systems work, per UL Safety Standard 1446, to facilitate product acceptance by UL.

Varglas ES-4400 Silicone Rubber sleeve is distinguished by its outstanding dielectric strength, remarkable performance in extreme temperatures, and impressive resistance to fluids and flames. These features make it an ideal choice for industrial instrumentation purposes, such as measurement, analysis, and control, as well as for surgical, medical, optical instruments, and electronic machinery. Moreover, its lightweight design provides additional performance advantages, making it highly suitable for aircraft and other transportation equipment.

Coated Sleeving: Products

CLASS 200

VARGLAS SILICONE RUBBER

H-A-1 | H-B-1 | H-C-1 | H-C-2 | H-C-3
(-73°C to +200°C) (-100°F to +392°F)

Varglas Silicone Rubber sleevings conforms to, and is listed on the Qualified Products List for, MIL-l-3190/6, latest revision (Grade A); NEMA TF-1, Type 5; and ASTM-D372.

 

Under the Component Program of Underwriters Laboratories, Grade A Varglas Silicone Rubber sleevings are recognized for 200°C, 600 volt service and complies with VW-1 flammability requirements under UL File #E63450 (VW-1 compliance of Grades B through C-3 is covered under UL File #E53690). CSA International certifies the use of Grade A for 200°C, 600 volt service and flammability requirements under CSA File #LR58486 VW-1. Varglas Silicone Rubber is incorporated in systems work, per UL Safety Standard 1446, to facilitate product acceptance by UL.

Varglas Silicone Rubber sleevings are utilized in various applications including appliances, motors, generators, and automotive, marine, and aircraft electrical and electronic components like transformers, coils, and relays. These sleevings are ideal for situations requiring a 200°C thermal rating. Not only do they serve as robust insulation under high heat conditions like die-casting and plastic molding, but they are also suitable for extremely low-temperature environments such as high altitude and aerospace applications.

VARGLAS SR-9400 SILICONE RUBBER

(-78°C to +200°C) (-108°F to +392°F)

Varglas SR-9400 Silicone Rubber sleevings conforms to MIL-I-3190/6, latest revision (Grade A); NEMA TF-1, Type 5; and ASTM-D372.

Under the Component Program of Underwriters Laboratories, Grade A Varglas SR-9400 Silicone Rubber is recognized for 200°C, 600-volt service and complies with VW-1 flammability requirements under UL File #E63450 (VW-1 compliance of Grades B through C-1 is covered under UL File #E53690). The Canadian Standards Association certifies the use of Grade A for 200°C, 600 volt service under CSA File #LR-58486.

Varglas SR-9400 silicone rubber sleeving is made by coating braided fiberglass with a high-performance silicone rubber, offering flame resistance and flexibility. It is a Class 200°C sleeving with excellent electrical insulation and low-temperature capabilities. Used in various industries for components like transformers, coils, and relays, it provides thermal durability, flexibility, and flame resistance.

VARGLAS SILICONE RESIN 500

(-70°C to +220°C) (-100°F to +428°F)

Varglas Silicone Resin 500 sleevings conforms to, and is listed on the Qualified Products List for, MIL-l-3190/5, latest revision (Grade A); NEMA TF-1, Type 4; and ASTM-D372.

Under the Component Program of Underwriters Laboratories, Grade A Varglas Silicone Resin 500 is recognized for 200°C, 600 volt service under UL File #E63450. It is incorporated in systems work, per UL Safety Standard 1446, to facilitate product acceptance by UL. CSA International certifies the use of Grade A Resin 500 for 200°C, 600 volt service under CSA File #LR58486. Additionally, standard Silicone Resin (Grade C-3) complies with UL’s VW-1 flammability requirements under UL File #E53690.

 

This sleeving is best in areas where design requirements specify superior moisture, heat and radiation resistance. Varglas Silicone Resin 500 sleevings are used in nuclear motors, electric motors, equipment leads, relay leads and heating cable where flexibility, high dielectric protection and heat endurance are required where temperatures up to 200°C are encountered. Resin 500 is radiation resistance finding wide use in aerospace and atomic energy applications.

Coated Sleeving: Products
Coated Sleeving: Products

CLASS 155

VARGLAS A397 & 343 ACRYLIC

F-A-1| F-B-1| F-C-1| F-C-2 | F-C-3
(-25°C to +155°C) (-13°F to +311°F)

Varglas A397 and 343 Acrylic sleevings conform to, and are listed on the Qualified Products List for, MIL-l-3190/3, latest revision (Grade A); NEMA TF-l, Type 6; and ASTM- D372. 

 

Under the Component Program of Underwriters Laboratories, both Varglas A397 and 343 Acrylic sleevings in Grade A are recognized for 155°C, 600 volt service under UL File #E63450. CSA International certifies the use of both sleevings in Grade A for 155°C, 6000 volt service under CSA File #LR58486. They are recognized in systems work, per UL Safety Standard 1446, to facilitate product acceptance by UL. Additionally, Grade C-3 Acrylic complies with UL’s VW-l flammability requirements under UL File #E53690.

Varglas A397 and 343 Acrylic sleevings are designed to perform for long periods of time in a 155°C range without loss of any electrical or physical properties. Varglas A397 and 343 Acrylic sleevings are used to insulate leads and crossovers in fractional and integral horsepower motors. They are used in dry and oil-filled transformers, generators and other moisture-sensitive equipment, as well as in home appliances, lighting fixtures, instrument circuits and controls. Additional uses include switchgear, breaker panels, welding equipment and other commercial apparatus subjected to continuous operating temperatures of 155°C, particularly those requiring insulation system compatibility.

Coated Sleeving: Products

CLASS 130

VARFLO

B-A-1 | B-B-1 | B-C-1
(-34°C to +130°C) (-29°F to +266°F)

Varflo sleevings conforms to, and is listed on the Qualified Products List for, MIL-l-3190/2, latest revision (Grade A); NEMA TF-1, Type 3; and ASTM-D372.

Under the Component Program of Underwriters Laboratories, Grade A Varflo sleevings are recognized for 105°C, 600 volt service and complies with VW-1 flammability requirements under UL File #E63450. (VW-1 compliance of Grades B through C-1 is covered under UL File #E53690). CSA International certifies the use of Grade A for 105°C, 600 volt service and flammability requirements under CSA File #LR58486 VW-1. Varflo is incorporated in systems work, per UL Standard 1446, to facilitate product acceptance by UL.

Varflo sleevings are used to insulate leads in motors, transformers, generators and similar apparatus. In relation to its excellent flexibility, good electrical properties and resistance to soldering temperatures, Varflo is also used in radios, TVs, computers, as well as other electronic circuitry in measuring instruments. Varflo is used on both original equipment and aftermarket automotive industry applications primarily because of its toughness, flexibility and dielectric strength. Varflo can be used on regulators, starters, alternators, and more!

VARFIL

B-A-1 | B-B-1 | B-C-1 | B-C-2
(-34°C to +130°C) (-29°F to +266°F)

Varfil sleevings conforms to military specification MIL – I – 3190/2, latest revision (Grade A); NEMA TF-1; Type 3; and ASTM D372.

Under the Component Program of Underwriters Laboratories, all grades of Varfil sleevings comply with VW-1 flammability requirements under UL File #E53690.

Varfil sleevings find wide acceptance by motor manufacturers as well as by motor repair shops. It is used to insulate leads in motors, transformers, generators and similar apparatus. Varfil displays superior toughness, dielectric strength, good electrical properties and resistance to soldering temperatures. Varfil sleevings are also used in electronic circuitry in measuring instruments, computers, and for both original equipment and aftermarket automotive industry applications such as regulators, starters and alternators.

VARGLAS HERMETIC

B-A-1 | B-C-1
(-25°C to +130°C) (-13°F to +266°F)

Varglas Hermetic electrical sleevings offers good resistance to thermal shock and is unaffected by most common oils including xylol/paraffin oil (50/50 mixture by volume), refrigeration lubricants Suniso® 3-G (a mineral oil), Icematic® SW100 (a synthetic polyol-ester oil), ZEROL® 150 (a synthetic alkylbenzene oil) and solvents including methylene chloride, toluene, xylene and 1,1,1 trichlorethane. Designed specifically for hermetic motors, its “low extraction” levels of soluble materials protect against contamination, as well as clogging, within the compressor system.

Varglas Hermetic sleevings meets the requirements of NEMA TF-1, Type 2, and ASTM-D372.

Varglas Hermetic sleevings are produced by coating braided fiberglass with a highly-crosslinked, modified acrylic copolymer that is extremely flexible yet very tough and abrasion resistant. It is highly resistant to refrigerants, at both high and low temperatures, and compatible with potting compounds and varnishes.

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