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West System 207 Special Clear Hardener - 42.2 Ounces

  • Formulated for Use with 105 Epoxy Resin, Mix Ratio*
  • Very Compatible with Paints and Varnishes, Excellent Bonding Properties
  • Size: 42.2 . (1.25 L)
  • Item #: 
    750369
    Brand: 
    West System
    Model #: 
    207-SB
    Shipping Weight: 
    3.10 Lbs.
     :
    $88.21
    88.21
    Status:    In Stock

    Quantity:  
     

     

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    Features:

    • West Systems 207 Special Clear Hardener™ was developed for coating and fiberglass cloth application where an exceptionally clear, moisture-resistant, natural wood finish is desired
    • 207 Hardener will not blush or turn cloudy in humid conditions
    • Thin film applications roll out and tip off smoothly, requiring less sanding in preparation for finish coatings
    • Professional and first-time builders like 207 because it is reliable and easy to use
    • Three coats or more can be applied in one day without additional surface preparation
    • Fewer coats are required to fill fiberglass weave and in most cases the final coating can be sand the following day
    • Boats can be built faster
    • Builders also appreciate the excellent fiberglass wet-out characteristics achieved with 105/207, yet it won't drain from vertical surfaces like the very slow curing, low-viscosity epoxies
    • When 105 Epoxy Resin is used with 207 Special Clear Hardener it has strong physical properties, so it can be used as a structural adhesive for gluing and laminating
    • It has excellent compatibility with paints and varnishes
    • An ultraviolet inhibitor in 207 helps provide a beautiful, long lasting finish when used with quality UV filtering varnish
    • 105 Epoxy Resin used with 207 Special Clear Hardener cures clear and colorless
    • Mix Ratio: Resin / Hardener 3 Parts 105 Resin / 1 Part 207 Hardener
    • Pot life at 72° F (22° C): 22 to 26 minutes
    • Cure to a solid state: 10 to 15 hours
    • Cure to maximum strength: 4 to 7 days
    • Minimum recommended temperature 60° F (16° C)
    • Pumps 300, 306-23 or 309-3 (Sold Separately)

    Click Here for a Technical Data Guide for this Product

    * Dispensing and Mixing

    • Dispense the proper proportions of resin and hardener into a clean plastic, metal or wax-free paper container
    • Don't use glass or foam containers because of the potential danger from exothermic heat build-up
    • DO NOT attempt to adjust the epoxy cure time by altering the mix ratio
      • An accurate ratio is essential for a proper cure and full development of physical properties
    • Dispensing with Mini pumps
        • Most problems related to curing of the epoxy can be traced to the wrong ratio of resin and hardener
        • To simplify metering, we recommend using calibrated WEST SYSTEM Mini Pumps to dispense the resin and hardener
        • Mini Pumps are calibrated to deliver the proper working ratio of resin to hardener
        • Pump one full pump stroke of resin for each one full pump stroke of hardener
        • Depress each pump head fully and allow the head to come completely back to the top before beginning the next stroke
      • Partial strokes will give the wrong ratio
      • Read the pump instructions before using pumps
      • Before you use the first mixture on a project, verify the proper ratio according to the instructions that come with the pumps
      • Re-check the ratio anytime you experience problems with curing
    • Dispensing without Mini Pumps (Weight/volume measure):
      • To measure 105 Resin and 205 or 206 Hardener by weight or volume, combine five parts resin with one part hardener
      • To measure 105 Resin and 207 or 209 Hardener by volume, combine three parts resin with one part hardener (by weight, 3.5 parts resin-1 part hardener)
     
     

    West System 105 Epoxy Resin - Gallon
    Item #: 750361
  • Formulated for Use with West System Hardeners, Mix Ratio*
  • Cures to a High-Strength Solid with Excellent Moisture Resistance
  • Size: 0.98 Gallon (3.74 L)
  •  Include


    $99.73
    Model #:
    105-B
    West System Resin Mini Pumps Set
    Item #: 754429
  • One Set For Groups A, B, C, Mix Ratio*
  • One resin pump and two hardener pumps
  • Sold as a Set of (3) Pumps
  •  Include


    $16.16
    Model #:
    300
     
     
     

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