PC-7® Epoxy

Item no: 12778 | 0054983087770
$15.99
160  Estimated 
Size : 1/2 LB
-+



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  • 1/2 Lb.
  • Two component
  • Will not drip or sag
  • For bonding, sealing, filling and molding
  • Not for soft plastic or heat over 230 deg.F
  • Bonds most everything to nearly anything
  • Paintable


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by PowerReviews
PC-7® Epoxy
 
5.0

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (4)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Reviewed by 4 customers

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(1 of 1 customers found this review helpful)

 
5.0

Versatile Product

By BigDumbDinosaur

from USA

Verified Reviewer

Pros

  • Bonds To Many Materials
  • High Strength
  • Wide Range Of Uses

Cons

  • Cost

Best Uses

  • Almost Anything

Comments about PC-7® Epoxy:

PC-7 is a thixotropic paste epoxy that is unusually versatile. I have been using PC-7 for many years in applications where high strength and resistance to cracking under vibration are mandatory. I have successfully bonded steel and aluminum to fiberglass, as well as aluminum to glass, and Alumilite to steel and aluminum. This product is not inexpensive, but you will get your money's worth if used correctly

Cleanliness of the surfaces to be bonded is essential. Steel and Alumilite should be lightly profiled with Scotch-Brite or similar—just enough to assure a slightly rough surface. Aluminum should be "dusted" with medium abrasive cloth to assure that no aluminum oxide is present in the bond area. Fiberglass should be likewise profiled with a medium abrasive to remove the resin glaze from the bond area.

After profiling, the bond surfaces should be thoroughly cleaned with acetone, MEK, lacquer thinner or similar to assure that no finger prints (or air tool oil) are present. Acetone can also be used to remove uncured epoxy from metal tools.

The ideal mix is exactly 50-50, but some latitude exists, up to ±20 percent variation is acceptable. Using more of the black component in proportion to the white component will produce a more flexible but lower strength joint. Conversely, using more white than black will make for a harder cure, but at the expensive of vibration resistance. For most applications, I strongly recommend the 50-50 mixture, which will be a mdeium grey in appearance. Be sure to mix very thoroughly. I mix PC-7 with a small metal spatula, using a heat lamp to soften the product. A temperature of 85 to 100 degrees F is ideal. At that temperature, the mixed epoxy will attain the consistency of peanut butter, and will be easy to apply.

As you apply PC-7, be generous—you can always sand or grind off the excess. If bonding metal to fiberglass or Alumilite, a series of small holes through the metal component's bond area will dramatically increase the joint strength. Avoid getting the expoxy on your skin, as it is somewhat difficult to remove.

Curing epoxy is exothermic, so expect some temperature rise in the mated parts. Heat, of course, accelerates the cure, and is recommended if the ambient is less than 70 degrees F. If heat is used to accelerate the cure PC-7 will be hard to the touch in about one hour. A cure to full strength may take several days, depending on temperature and humidty. Once cured, PC-7 can be drilled and tapped almost like metal, and sands very well. I've used PC-7 as automobile body filler in cases where strength was needed.

(1 of 1 customers found this review helpful)

 
5.0

Great stuff!

By Catz

from High Plains

About Me Avid Do-It-Yourselfer

Verified Buyer

Pros

  • durable
  • Moldable
  • Versatile

Cons

    Best Uses

    • Concrete floor repair
    • Detailed Work
    • Small Areas

    Comments about PC-7® Epoxy:

    I used this product to repair my concrete floors. The product starts out very tacky but after about an hour it can be easily molded and then can be smoothed with denatured alcohol on a rag. Once dry, it can be painted to match the floor stain and then sealed.
    I also plan to use this paste to reinstall floor anchor bolts.

    (2 of 2 customers found this review helpful)

     
    5.0

    Bullet proof sealer

    By garimpo

    from Uruacu-Goias-Brazil

    About Me Casual Do-It-Yourselfer

    Verified Reviewer

    Pros

    • Dries hard in 24 hrs
    • Great protective layer
    • Tougher than tough

    Cons

      Best Uses

      • Large Areas
      • Small Areas
      • Sticks to everything

      Comments about PC-7® Epoxy:

      I use it as a protective layer on the coils of my gold detector. Great as a filler on the soles of boots where chunks have been torn out by rocks.A great hole sealer in wood.As an epoxy it is a permanent fix.

      (3 of 3 customers found this review helpful)

       
      5.0

      PC-7 is the best 2 part ...

      By Ron R

      from Brookfield, IL

      Comments about PC-7® Epoxy:

      PC-7 is the best 2 part expoxy available today. I highly recommend it.

      Displaying reviews 1-4

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