So I got some 6um mylar

bigwill · 13th April 2007, 09:40 AM

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?

maudio · 13th April 2007, 10:10 AM

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.

MJ Dijkstra · 13th April 2007, 11:09 AM

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.

bigwill · 14th April 2007, 12:28 AM

Oops, of course, I meant micron in the title of this thread, not micrometers

MJ Dijkstra · 14th April 2007, 08:53 AM

Hi,

Doesn''t matter, micron and micrometer is the same.

ak_47_boy · 15th April 2007, 09:59 PM

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.

bigwill · 15th April 2007, 10:12 PM

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

LineSource · 16th April 2007, 12:34 AM

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")

13th April 2007, 09:40 AM	#1
bigwill diyAudio Member Join Date: Dec 2004 Location: UK	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?

13th April 2007, 11:09 AM	#3
MJ Dijkstra diyAudio Member Join Date: Apr 2005 Location: Utrecht	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. __________________ drs M.J. Dijkstra

14th April 2007, 08:53 AM	#5
MJ Dijkstra diyAudio Member Join Date: Apr 2005 Location: Utrecht	Hi, Doesn''t matter, micron and micrometer is the same. __________________ drs M.J. Dijkstra

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13th April 2007, 10:10 AM	#2
maudio diyAudio Member Join Date: Apr 2006 Location: Netherlands	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.

14th April 2007, 12:28 AM	#4
bigwill diyAudio Member Join Date: Dec 2004 Location: UK	Oops, of course, I meant micron in the title of this thread, not micrometers

15th April 2007, 09:59 PM	#6
ak_47_boy diyAudio Member Join Date: Sep 2006	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.

16th April 2007, 12:34 AM	#8
LineSource diyAudio Member Join Date: Sep 2003 Location: SiliconValley	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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