Author Topic: Old fiberglass mat  (Read 1147 times)

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sprig1

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Old fiberglass mat
« on: January 05, 2022, 03:53:12 PM »
  I have read that old fiberglass mat and tape is not as strong as new. Someone is giving me some old clean on a roll fiberglass mat and tape. I would guess it only degrades to a point. It sure would be nice to use it. I’m acquiring things to get started building. Thanks

Brian.Dixon

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Re: Old fiberglass mat
« Reply #1 on: January 05, 2022, 07:54:21 PM »

Glass does not degrade, even in UV.  Dirt, grease, dust, and other contaminates can, however, result in a poor bond.  The only failure I've ever seen was fiberglass applied to dusty wood.

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sprig1

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Re: Old fiberglass mat
« Reply #2 on: January 05, 2022, 08:52:43 PM »
 Thanks Brian. Figures were I read it was building airplanes out of epoxy. All the fiberglass I ever used you couldn’t seem to destroy it.

Brian.Dixon

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Re: Old fiberglass mat
« Reply #3 on: January 05, 2022, 10:04:00 PM »
Thanks Brian. Figures were I read it was building airplanes out of epoxy. All the fiberglass I ever used you couldn’t seem to destroy it.

It's silicon dioxide ... pretty bullet proof, inert, stuff :)

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