Epoxy-Based Gel Coat Recommendations

Discussion in 'Fiberglass and Composite Boat Building' started by ahender, Jul 1, 2011.

  1. ahender
    Joined: Jan 2009
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    Location: Athens, GA USA

    ahender Junior Member

    Can anyone recommend an epoxy-based gel coat?

    I have found one and it only comes in red.

    Thanks...Alan
     
  2. ondarvr
    Joined: Dec 2005
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    Location: Monroe WA

    ondarvr Senior Member

    Yes, what do you plan to do with it?
     
  3. ahender
    Joined: Jan 2009
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    Location: Athens, GA USA

    ahender Junior Member

    Use it as the first coat in a female mold.
     
  4. ondarvr
    Joined: Dec 2005
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    Location: Monroe WA

    ondarvr Senior Member

    You can get it at Composites One.

    PCT100 SERIES
    PRODUCTS
    ECT120 SERIES
    CCP’s IMEDGE® products are high performance In Mold cutting EDGEpolymer technologies that offer unique and revolutionary alternatives to conventional FRP materials. The IMEDGE® technologies were developed to promote and drive innovation in the FRP industry. The IMEDGE® product line represents CCP’s commitment to be a leader in the industry through technology, sales, technical and customer support.
    ECT120 SERIES
    EPOXY COMPATIBLE TECHNOLOGY
    Copyright 2011
    DESCRIPTION:
    IMEDGE® ECT120 coatings are advanced Epoxy Compatible Technology (ECT) products that have been formulated to be used as in-mold, exterior coatings for reinforced plastic parts. Unique benefits of IMEDGE® ECT120 coatings are

    Excellent adhesion to epoxy matrix laminates

    Deep, dark, rich, high gloss colors

    Excellent color and gloss recovery after sanding and buffing

    Blush resistant

    Excellent weathering resistance.

    Enhanced impact resistance and toughness for reduced cracking

    Excellent scratch and wear resistance

    Resistant to porosity

    Low weight per gallon
    IMEDGE® ECT120 coatings are formulated to meet EPA’s National Emission Standards for Hazardous Air Pollutants (NESHAP) for both Boat Manufacturing and Reinforced Plastic Composites products.
    IMEDGE® ECT120 coatings offer exceptional water resistance and durable and crack resistant. While offering these benefits, IMEDGE® ECT120 coatings have retained the important construction and application qualities expected from CCP coatings, such as resistance to tearing and color separation, sag resistance, consistent liquid properties, and more. These all add up to higher quality appeal in FRP parts made with CCP IMEDGE® ECT120 Series products.
    IMEDGE® ECT200 Epoxy Compatible Technology
    Copyright 2011
    TYPICAL PROPERTIES (at 77°F):
    Typical properties of IMEDGE® ECT120 are shown below. These values may or may not be manufacturing control criteria. They are listed for reference only. Particular batches will not conform exactly to the numbers listed because storage conditions, temperature changes, age, testing equipment (type and procedure) can each have a significant effect on the test results. Products outside of these readings can perform acceptably.
    Test
    IMEDGE® ECT120
    Viscosity (1)
    7,500-9,500 cps
    Thixotropic Index (2)
    4.5-6.0 (colors)
    Flash Point
    80°F - 84°F
    Hazardous Air Pollutants
    (See MSDS for amounts)
    Volatile Organic Compounds
    (See MSDS for amounts)
    Weight/Gallon
    8.90 - 9.50 lbs., depending on color
    Gel Time (3)
    11 - 15 minutes
    Lay-up Time
    45 - 60 minutes
    Sag Resistance
    Good at 20 mils
    Hide (most formulations) (4)
    Complete at 15 mils
    Notes:
    1.
    Brookfield, RV #4 @ 4 rpm.
    2.
    Brookfield, RV #4 @ 2/20 rpm.
    3.
    100 g mass, 1.8% Arkema Luperox® DDM-9
    4. Reds, yellows and dark blues may have lower hiding power. Ask a CCP Representative whether your red, yellow or blue requires special application procedure (increased film thickness through multiple applications).
    Refer to the MSDS for handling precautions. MSDS’s will be supplied automatically with the first order for material, and are available by product code upon request from CCP’s Regulatory Department or on CCP’s website at www.ccponline.com.
    APPLICATION:
    IMEDGE® ECT120 must be mixed prior to use. This includes prior to production spray application and when obtaining material for patching or any material that has been set aside for patching. When not agitated, IMEDGE® ECT120 develops a viscous layer at the top of the container. The material at the bottom of the container is much lower in viscosity. Material applied in this condition is likely to sag and have porosity. Mixing of IMEDGE® ECT120 is critical to success with the product.
    Several suitable types of mixing equipment
     
  5. ahender
    Joined: Jan 2009
    Posts: 89
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    Location: Athens, GA USA

    ahender Junior Member

    Excellent! Thank you.

    Unfortunately they recommend spraying only.

    Do not want to get into that.
     
  6. ondarvr
    Joined: Dec 2005
    Posts: 2,700
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    Location: Monroe WA

    ondarvr Senior Member

    Spraying is recomended, but brushing works, the directions are for production shops.
     

  7. ahender
    Joined: Jan 2009
    Posts: 89
    Likes: 3, Points: 8, Legacy Rep: 10
    Location: Athens, GA USA

    ahender Junior Member

    Thanks again.
     
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