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Do you HAVE to use everything in order, mold, prepreg, peelply, breather, bag....

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JustLearningKristin

New Member
Joined
Apr 29, 2012
Messages
4
Location
Washington State
Do you HAVE to use everything in order, mold, prepreg, peelply, breather, bag.... I am asking because we have been playing with other ways, in our shop, of making a part. We have been playing with other methods to reduce the amount of time spent sanding, filling, resin coats, more sanding etc... one of the methods we tried was applying the prepreg to the aluminum mold and spraying chemlease in the vacuum bag and using a small piece of breather towards the bottom of the mold so the vacuum can preform its duties, then just attaching the vacuum and putting it in the oven and curing it. It seems to be working because the part is a lot more smooth out of casting and is requiring a lot less time prepping it for prime and paint. The pin holes have nearly become extinct. Now I have been trying to find information about why we have to use the peelply? Is there someone who knows why these layers have to be used?
Thanks!
Kristin :)
 
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