pre-preg pinholes.. driving me crazy


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roger sbk composites
roger sbk composites
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this is the third part that comes out exactly the same and i've done 3 diff things so far.... my kitchen oven minum is 76c so i leave that 2 hours and then take it to 110c this time i added peelply on the edges but nothing... the stack is as fallowed  2 layers of pre-preg aviation no face side... ... eassycomposite unperforated release film and breather all over the mold put inside a bag and full vac... any ideas guys... this is dirving me crazy already 


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baja_patient
baja_patient
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Ramping up is not just increasing the temp by 20 degrees, it is linear increase of temperature, controlled at 2 degrees/min for example. You should build or buy a purpose built oven with a temperature controller. Also, you will need the correct out of autoclave pre-pregs, otherwise you will never get pinhole free parts outside of an autoclave.

cheers,

Good luck
GO

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roger sbk composites - 11 Years Ago
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roger sbk composites - 11 Years Ago
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roger sbk composites - 11 Years Ago
roger sbk composites - 11 Years Ago
baja_patient - 11 Years Ago
roger sbk composites - 11 Years Ago
morepower - 11 Years Ago
roger sbk composites - 11 Years Ago
roger sbk composites - 11 Years Ago
roger sbk composites - 11 Years Ago
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Djekouk - 11 Years Ago
roger sbk composites - 11 Years Ago
Djekouk - 11 Years Ago
     Cool design :-)
Djekouk - 11 Years Ago
morepower - 11 Years Ago
roger sbk composites - 11 Years Ago
Djekouk - 11 Years Ago
                 No problem let go on pm
roger sbk composites - 11 Years Ago

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