Visco and Tape Types

Discussion in 'Firing Systems And Fusing Fireworks' started by I Like Cake, Feb 9, 2019.

  1. Are there any kind of tapes that shouldn't be used against visco?
    Is electrical tape ok?
  2. I have seen people use gaffa tape which isn't too dissimilar so although it wouldn't be my tape of choice I can't see any real issues with using it. A small cable tie is usually sufficient and eliminates any need for tape.
  3. Jon

    Jon Pro Firer/Crew

    Just be aware the gaffer is actually quite flammable.
  4. hofnerite

    hofnerite UKFR Stash Photo 2018 Winner! Supports UKFR

    If you're worried about visco going out, then don't worry, it won't. I generally use gaffer tape and have never had a problem with it either going out or the gaffer catching fire.
    Jon Coles likes this.
  5. Jon Coles

    Jon Coles Pro Firer/Crew Supports UKFR

    Agreed. Not had it catch fire and hasn’t been a point of failure.
    hofnerite likes this.
  6. Cheers all. I've used all kinds of tape and cable ties in the past. But today I suddenly had a ponderence about potential reactions... thinking... what do I know about chemicals and adhesive tapes and how it might react to visco fuse. I'd just never contemplated it before.
  7. deans6571

    deans6571 Supports UKFR

    I've often wondered about taping over fuses.....

    Surely if you have a line of visocs, sandwiched between gaff tape, it would stop the air getting to it and thus stop the flame burning down the fuse (fire needs oxygen to burn doesn't it??!!)?! :oops::confused:
  8. blackbat

    blackbat Pro Firer/Crew Supports UKFR

    Pyrotechnic compounds generate their own oxygen, hence can even burn underwater in the right circumstances
  9. Da Main Mouse

    Da Main Mouse Supports UKFR

    If anything I have found that taping or tubing visco too tightly over a length will increase the rate at which it burns, much like open qm versus piped.

    As stated above pyro supplies its own oxygen and so its tthe propergation of the flame speed.
    Stronger you contain it the faster the flame and chemical reaction travels. Speed it up enough you have a detonation.
  10. deans6571

    deans6571 Supports UKFR whats the best way to waterproof a single fuse running to several cakes then (taking the above comments into consideration) - is gaff tape still the done thing or better to use foil tape (never used this myself but seen some on Amazon)?!
    Last edited: Feb 12, 2019
    Da Main Mouse likes this.
  11. blackbat

    blackbat Pro Firer/Crew Supports UKFR

    Gaffa tape isn't waterproof. Foil tape is (and spark proof).
  12. Da Main Mouse

    Da Main Mouse Supports UKFR

    2nd foil tape since I discovered the keeping one end free trick! Before that I spent far too long trying to picklie an end free!
    Locky Smith likes this.
  13. deans6571

    deans6571 Supports UKFR

    ...the 'one end free trick'??! Care to share..?!!!
  14. Da Main Mouse

    Da Main Mouse Supports UKFR

    Lol, never let the backer be separated from the roll! Keep it attached at al costs!
    deans6571 likes this.
  15. My thinking with this thread was really whether any tapes have chemicals in their adhesive that could react with anything in visco and cause it to spontaneously ignite.
    Just something I'd never even considered before. I'm sure we'd have heard if it ever had happened.
    Da Main Mouse likes this.