Whats the name of that goo on reel to reel bands? - AVS Forum
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post #1 of 6 Old 09-29-2013, 12:39 PM - Thread Starter
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Forgive me if ive got the wrong place to post this thread.
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post #2 of 6 Old 09-30-2013, 03:03 AM
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Originally Posted by mrslig100 View Post

Forgive me if ive got the wrong place to post this thread.

Are you talking about sticky shed? Messes up your tape heads?

It can be treated at least one time by baking the tape in a warm oven. Look it up in google.
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post #3 of 6 Old 09-30-2013, 08:50 AM - Thread Starter
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No but thanks for the reply.
I mean that goo coating the bands inside the unit to help them grip and transfer motion.
You tend to find it in the old valve units.
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post #4 of 6 Old 09-30-2013, 11:34 AM
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Quote:
Originally Posted by mrslig100 View Post

No but thanks for the reply.
I mean that goo coating the bands inside the unit to help them grip and transfer motion.
You tend to find it in the old valve units.

Or, on the brake bands?

I've seen that once or twice - in the recorders I looked at it was the adhesive that was used to glue the friction material that had bled through it. The fix was to replace the friction material and use a glue that doesm't bleed such as silicon adhesive.
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post #5 of 6 Old 09-30-2013, 12:00 PM - Thread Starter
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NO :P
That's not what I mean.
The stuffs completely intentional.
Its a thick black goo (really sticky and a pain to clean out of the carpet)
VERY similar to cheap thermal paste but thicker.
I had an old Phillips unit once.
It ha 2 perfectly spherical "gears".
They where covered in the goo.
When you pressed play the
mechanism pushed them closer
together. They did not make
contact but the goo between did
and as the reel filled up and span
slower, the goo transferred a certain
force meaning that the band would
not have to slip to match the various
speeds and therefor prolong the life
of the band as well as keeping it moist.
The goo is not a biproduct.
It is a significant part of the machine.
The question is:
What is that goo?
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post #6 of 6 Old 10-01-2013, 06:33 AM
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So the goo ends up on tape? Messing the contact with the heads? Possible dissolving the tape magnetic layer in time, while being stored?
No, I never saw that... probably it was something experimental in beginning, before they had Teflon coatings.
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