So I got some 6um mylar - diyAudio
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Old 13th April 2007, 09:40 AM   #1
bigwill is offline bigwill  United Kingdom
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Default So I got some 6um mylar

And it doesn't feel much thinner or lighter than clingfilm? Are they both so light that it's difficult to compare them or have I been sold rubbish?
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Old 13th April 2007, 10:10 AM   #2
maudio is offline maudio  Netherlands
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Folding it 6 or 7 times makes it thick enough to measure with reasonable accuracy using a caliper (slide rule). Should give you a good estimate.
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Old 13th April 2007, 11:09 AM   #3
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Hi,

Assuming that you have bought 6 micron thick membrane indeed, you could be right that it is not thinner than clingfilm because clingfilm is really thin (but not as strong and durable as Mylar).
You may try some 4 micron. You can feel the difference between 4 and 6 micron and according to several builders hear the difference too.
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Old 14th April 2007, 12:28 AM   #4
bigwill is offline bigwill  United Kingdom
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Oops, of course, I meant micron in the title of this thread, not micrometers
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Old 14th April 2007, 08:53 AM   #5
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Hi,

Doesn''t matter, micron and micrometer is the same.
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Old 15th April 2007, 09:59 PM   #6
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My mylar is very crinkly compared to cling wrap. Its unbelievably strong, a 1" strip is hard to break. I measure mine at exactly 6uM.
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Old 15th April 2007, 10:12 PM   #7
bigwill is offline bigwill  United Kingdom
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Quote:
Originally posted by ak_47_boy
My mylar is very crinkly compared to cling wrap. Its unbelievably strong, a 1" strip is hard to break. I measure mine at exactly 6uM.

Mine seems very much the same

I'm pretty sure my mylar is ok after further inspection
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Old 16th April 2007, 12:34 AM   #8
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If it's Dupont Mylar it is probably 6.3u thick = 25 gauge

Mylar is the Dupont trade name for polyester film. The Dupont Mylar catalog shows:
special order: 2.5u (10 gauge), 3.8u (15 gauge)
standard thickness: 5u (20), 6.3u (25), 8.8 (35), 12u (48) and up

Sound Lab ESL are spec'ed at 2-2.5u Mylar. Mylar supports 4000 volts per mil(0.001")
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