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Face Shield Protective Film

Discussion in 'Woodturning Discussion Forum' started by Ron Solfest, Nov 20, 2020 at 8:28 PM.

  1. Ron Solfest

    Ron Solfest

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    I bought a Peke PAPR this summer (really like it) that has an integrated polycarbonate face shield. I purchased some protective films for the face shield but need some help understanding how to apply them properly. I put the first one on and have been using for several months, it’s protecting the shield but has dozens of little bubbles between the shield and the film that are getting annoying to have obscuring my vision.

    Does anyone have experience putting this protective film on without trapping bubbles? Do you float it on with water (I didn’t).

    Thanks for your help
    Ron
     
    Paul Lajoie likes this.
  2. Clifton C

    Clifton C

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    I've put on vinyl letters and signage using a spray bottle of water with two to three drops of soap to break the surface tension. We used a soft plastic squeegee from the center out to remove excess water and air bubbles so I know it works for that. Also gives the ability to slide things into position. What I'm not sure of is if the same procedure would cloud up the adhesive on the protective film. Maybe peel the one you have on it now, if you can, and give it a try.
     
  3. Chris Lawrence

    Chris Lawrence

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    I would think you put it on like a screen protector for a phone or tablet. Start one edge then slowly work it across with a credit card or plastic scraper.
     
  4. Emiliano Achaval

    Emiliano Achaval Administrator Staff Member

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    On my 3M Versaflow I have to add some Scotch tape to the edges, all the way around to prevent the peeling of the protector.
     
  5. William Rogers

    William Rogers

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    Maybe it is the quality of the material. I bought a 40 pack for my Versaflo and have used two so far. No tape needed or bubbles, they work perfectly.
     
  6. Tom Albrecht

    Tom Albrecht

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    Where did you get those?
     
  7. Ron Solfest

    Ron Solfest

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    William, any special technic to apply them? Start in center and work outward pushing bubbles out? Do you float on with water?
     
  8. William Rogers

    William Rogers

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    Tom, I bought mine from Amazon. There are( at least) two types of shields for the Versaflo, 925 and premium 927. The protectors are also specific to the type. I have the 927 protectors.

    Ron, I need to double check, but ays protectors has a included light adhesive strip on each side. I start at one side and work to the other side and remove the adhesive protect strip. Seems tp work fine, but I’ll look later this morning.
     
    Ron Solfest likes this.
  9. Doug Freeman

    Doug Freeman

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    I have the same and have not had that problem. Try cleaning the shield with dna in the area the film has adhesive. If you clean the shield when changing the film, the cleaner may leave deposits that interfere with adhesion.
     
    Emiliano Achaval likes this.
  10. William Rogers

    William Rogers

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    The shield protectors are made by 3M. I bought them at the same time I bought the shield in late February. So I have had a protector on this shield since new. The 927 face shield has a coating for chemical protection where the 925 shield is listed as standard. There are specific shield protectors for each type.

    EDIT: The one that is on the face shield has been on for about 2 months of turning. No problems.

    21C2DCAA-11E5-4B13-B611-6546C3F9D42C_1_201_a.jpeg 3C69AE87-FFC0-4033-BCE0-B7A3A6A30211_1_201_a.jpeg 523455F7-05A8-484C-BC39-FBFB87DF0477_1_201_a.jpeg
     
    Last edited: Nov 22, 2020 at 7:22 AM
  11. Emiliano Achaval

    Emiliano Achaval Administrator Staff Member

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    The ones that I got started to sort of peeling at the edges, then sawdust gets in.
     
    Bill Boehme likes this.
  12. Bill Boehme

    Bill Boehme Administrator Staff Member

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    My experience is the same as what Emiliano experienced. I have both the 3M Airstream and the 3M Versaflo. I have protective overlays for both and have never been completely satisfied with them. They have an adhesive strip on the sides, but sanding dust manages to get beneath the overlay if it isn't taped all the way around, but then removing the tape is a PITA. While polycarbonate is very impact resistant, it has poor scratch resistance so sanding dust between the polycarbonate shield and the overlay leads to spiderwebbing of the polycarbonate shield. Even without dust between the shield and overlay, visibility is reduced because of internal reflections and the overlay material isn't as clear as the polycarbonate shield. I found it interesting that 3M recommends stacking a bunch of the overlays on the shield and then peeling off layers when they become too scratched. I didn't like that idea at all.
     
  13. Doug Freeman

    Doug Freeman

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    I get dust build up at the edges of the shield film with the 3m Versaflow but not dust between the film and shield. I usually have the DC duct located to grab as much dust as possible, so maybe thats why I dont have that issue. I take my time when applying the film to get it as flat to the shield surface as possible.
     
  14. Glenn Lefley

    Glenn Lefley

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    That’s what we use to do in motorcycle racing. Peel off a layer when got dirty during race, exposing a clean layer. Worked great.
     
  15. Doug Freeman

    Doug Freeman

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    Yeah, needed to stack ‘em. Trying to put a new one on during a race is a sure way to dnf.
     

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