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Old 10-03-2013, 07:43 PM   #1
crustysack

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Default P31 release film

Any one use Airtech P31 release film with prepreg laminates, and if so any known issues or problems?
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Old 10-04-2013, 04:35 AM   #2
findhan

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Whats the resin content of the pre-preg, how many layers and what are your acceptance criteria/application?
If its the one Im thinking on, there can be a lot of bleed-out with p31 due to the hole size. I normally use a more finely pin-pricked film - A2000 P3 as its a roll Ive had for ages. Its pricks are about 12mm apart in one direction 8 in the other and the holes are barely a pin prick, maybe .5mm Im guessing. This can still give a reasonable resin bleed. I think its a good one for pre-pregs we use, anything else and we could bleed out too much
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Old 10-04-2013, 06:46 AM   #3
herman

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P31 has less holes, and also just a pinprick.

See the perforation chart of Airtech at http://catalogue.airtech.lu/product....id=496&lang=EN
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Old 10-04-2013, 07:13 AM   #4
findhan

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Ah yes, ok wasnt the one I was thinking on then!
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