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    Epoxy Resins for Motors

    Impregnating Resins
    Varnishes for Use with a Dip and Bake Process
    Trickle Resins
    Coatings
    Sealants
    Potting, Encapsulation, and Casting Resins 

    Impregnating Resins:

    The Epoxylite VPI (vacuum pressure impregnation) resins were designed specifically to provide complete and void free impregnation of dry-wound, insulated, form or random wound stators to satisfy the requirements of IEEE specifications for sealed systems. In addition to thorough impregnation, the material provides a smooth continuous coating on the external surfaces of the wound coils and does not flow from the slot area during the cure cycle. The VPI process with Epoxylite motor impregnants provides better environmental and mechanical protection than several dip and bake cycles with conventional varnishes. Because all air and moisture contaminants are removed in the vacuum step, the VPI method can ensure complete filling of voids. The pressure cycle makes the process fast and efficient.

    Our resins are 100% solventless to meet the strictest environmental standards and epoxy based to maintain the highest quality standards in the industry.

    Our technical staff is pleased to offer you assistance with:

    • choosing a resin
    • formulating a new resin for your special needs
    • proper care and handling of your impregnating resin
    • selection and use of compatible insluation materials
    • coil winding and insulation techniques
    • coil insertion, stub connecting, lead insulating or tying and blocking
    • masking techniques
    • stator preparation prior to VPI
    • system fault diagnosis

    Product Number

    Principle Use

    Viscosity

    Cure Cycle

    Temperature Rating

    347

    VPI resin with ultra high temperature rating 7000 cPs 4 hrs. with step cure Class 220 (R)

    477

    Lower viscosity version of 478 for impregnating form wound coils 1500 cPs 4 hrs. @160ƒC Class 180 (H)

    478

    Standard VPI resin excellent for use with both form wound and random wound stators 2500 cPs 4 hrs. @160ƒC Class 180 (H)

    480

    Thixotropic version of 478 that provides the highest retention possible through the curing process. Suitable for random wound motors

     3500 cPs

      4 hrs. @160ƒC Class 180 (H)

    605

      100% solventless polyester based VPI resin 700 cPs   4 hrs. @ 160ƒC Class 180 (H) 

    6107

    Ultra High Temperature Clear Impregnating Resin. Two Part with elevated Temperature Cure 2000 cPS

    3 hrs @121ƒC plus 3 hrs@135ƒC

    Class 220 (R)
     

    Epoxylite is the only company in the United States to sell both impregnating resins and impregnation equipment. This guarantees that we are able to offer you the most comprehensive level of service in every stage of processing.

    Varnishes for use with a Dip and Bake Process

    For impregnation of random wound motors in which the air is easily displaced from the area to be impregnated, a dip and bake process may be a viable option. A pre-heat step to remove moisture is usually required. 

    Product Number

    Principle Use

    Viscosity

    Cure Cycle

    TemperatureRating

    605

    100% solventless, low viscosity polyester based resin

    700 cPS

    4 hrs. @ 160ƒC

    Class 180 (H) 

    6001

    organic solvent based, low viscosity, chemically inert baking varnish with high temperature resistance

    300 cPs

    8 hrs with a step cure

    Class 180 (H)

    W10

    water based, low viscosity varnish with high temperature resistance

    300 cPs

    4 hrs. @ 150ƒC

    Class 180 (H)

    Z23

    100% solventless, low viscosity, fast low temperature curing resin

    500 cPS

    1 hr. @ 100ƒC

    Class 200 (N)

     

    Link to Dip Tanks 

    Trickle Resins

    For impregnaiton of motor windings our Epoxylite trickle resins, which are room temperature curing compounds, are designed to be a faster alternative to our VPI or dip and bake processes. If time is of the utmost importance, these resins may be your best bet.  

    Product Number

    Principle Use

    Viscosity

    Cure Cycle

    TemperatureRating

    230

    fast process motor winding impregnant

    6500 cPS

    20 min @ 57ƒC or 2 hrs@23ƒC

    Class 155 (F)

    234

    fast process motor winding impregnant

    600 cPs

    20 min @57ƒC or 2 hrs @ 23ƒC

    Class 180 (H)

    236

           

    Link to Trickle machine

    Coatings

    Product Number

    Principle Use

    Colors Available

    Cure Cycle

    6001

    provides a glossy finish with excellent chemical, mositure and impact resistance. Excellent heat resistance. May be thinned with organic solvents to tailor viscosity.

    black, white, blue, yellow, red, green

    8 hrs with a step cure
    7001 sprayable, glossy coating for chemical, mositure and impact resistance. pre-packaged in spray cans blue, red, black, green,white, yellow air-dry 8hrs @ 23ƒC

    Sealants

    Product Number

    Principle Use

    Viscosity

    Cure Cycle

    TemperatureRating

    202   Paste 4 hrs @ 23ƒC  
    203 Black Sealer Paste Paste 24 hrs @23ƒC or 1 hr. @93ƒC  
    213 Air Dry Electrical Sealer. Contains some volatiles. Excellent chemical Resistance   24 hrs @ 23ƒC or 2 hr @ 65ƒC Class 130 (B)
    213NV Air Dry Electrical Motor Sealer   24 hrs @23ƒC or 2 hrs @65ƒC  
    6505 High Resistivity Sealing Compound. Designed as a flexible, non-silicon sealant Paste 1 hr @ 100ƒC, 4 hrs @ 65ƒC Class 180 (H)
    8117 Flexible Stator Paste for Buttering or Sealing End Windings   24 hrs @ 23ƒC Class 155 (F)
    8742 Air Dry Electrical Sealant. Similar to 213 but is offered in a variety of colors other than black and brown   24-48 hrs @23ƒC or 30 minutes @135ƒC Class 130 (B)

     

    Encapsulation, Potting and Casting Compounds

    Product Number

    Principle Use

    Viscosity

    Cure Cycle

    TemperatureRating

    210

      Thermal Shock Resistant Stator Potting Compound with Room Temperature Cure

          2-6 hrs @ 23ƒC   Class 130 (B)

    293

      Thermal Shock Resistant Stator Potting Compound. Gives higher elongation than 210. Can be cut into to effect repairs.    6 hrs @ 121ƒC   Class 130 (B)

    295

      Thermal Shock Resistant Stator Potting Compound     6 hrs @ 121ƒC   Class 155 (F)

    801

      General Purpose Potting Compound. Outstanding resistance to impact, vibration and thermal cycling     2-24 hrs @ 25ƒC   Class 130 (B)

    805

    Semi-Flexible, Low Viscosity Room Temperature Cure Potting Compound     2-24 hrs @ 25ƒC  

    8628

           

If you are having problems with your present compound, or would like to compare our potting resins on a cost basis, write or E-MAIL for a sample today:
e-mail at market@pleo.com


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