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3M Fast N Firm Seam Sealer 08505

3M™ Fast N Firm™ Seam Sealer 08505

  • Part Number: 08505
  • UPC: 51135085059
  • Stock Number: 60455052021
3M™ Fast 'n Firm Seam Sealer 08505 is a fast setting seam sealer designed for sealing exterior joints and seams. It adheres well to clean primed or painted metal. 1/10 gallon cartridge.
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  • Product Description

    3M™ Fast 'n Firm Seam Sealer 08505 is a firm setting product for sealing a variety of external or non-passenger compartment automotive joints and seams. Also used in many non-automotive applications where quick, inexpensive seam sealing is desired. 3M™ Fast 'n Firm Seam Sealer is a fast setting seam sealer designed for sealing exterior joints and seams. It adheres well to clean primed or painted metal.
  • Additional Product Information

    3M Part Number 08505
    UPC 51135085059
    Case Quantity 12 cartridges per case
    Case Inner Pack 1 cartridge
    Color Tan
    Paint Time 30 Minutes
    Work Time 5 - 10 (varies with heat, humidity)
    Dry Time 30 Minutes
    Brand 3M
    Size 1/10th Gallon Cartridge

Reviews

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Submitted on 4/8/14  |  By Jeff

I bought this because the container said it was fast and firm. The instructions (and this description above) talk about dry/paint time of 30 min. Uhhh, no! After several hours it basically has a skin but is otherwise still very mushy. I'll leave it another day or so but as I really needed to get a job done quickly, this is not very satisfying. I can't speak to whether or not it will be firm.

Submitted on 5/9/13  |  By Rick

This stuff works great. I have tried 5 different part numbers-- 3 different manufactures
3M p/n o8505 worked the best at sealing the seams and also bonding panels.
it does take 2-3 days to cure, Howevere you must use a rubber glove and sooth it out with your finger tip for best results.

Rick Texas

Submitted on 9/11/11  |  By David Henderlong

I used fast n firm seam sealer on my truck bed to create a smooth transition between the upper pannel and the lower one. (or at least thats what i wanted)
I applied the product and smoothed it out the best i could. I waited over night for it to dry. After 24 hours i thought it would be dry so i tryed to smooth it out alittle with an exacto knife, however it was only half dry and rippled the entire peice.
I now have to clean up the goopy mess from both sides and figure out a different solution.
The bottle has bearly any directions for aplication.
I am very unsatisfied with this product.
Thank you 3M for adding on another 10 hours of work for me.

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