Heating aluminium mould before and after vacuum infusion

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kosak95	k kosak95 posted 4 Years Ago HOT Topic Details
k Group: Forum Members Posts: 14, Visits: 518	Hi all, I have aluminium mould that I can heat. What is the best temperature to heat it to before vacuum infusion and what is the best temperature to hold it after and for how long for best results? I'm using carbon and epoxy resin.
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Lester Populaire	L Lester Populaire posted 4 Years Ago HOT Post Details
L Group: Forum Members Posts: 311, Visits: 13K	+x Hanaldo - 4/9/2021 12:16:29 AM I dont like to have my mould at a different temperature to my resin. If you heat the mould, I would heat the resin to the same temp - which you would only do if trying to lower the viscosity and you have a long pot life. If it is cold where you are working (ie, under 18°C), warm both the mould and the resin to 25-30°, infuse, and then keep the resin and mould at that temperature for at least 18 hours. Then ramp the temperature up if you want to do a post cure. Gotta ask, if you have an aluminium mould you can heat, why not use pre-preg? I think having the mould at like 25°C when doing the infusion in a could workshop could be nice I feel. Keeps the vicosity in the infusion low and prevents thermal runaway. But only useful for very big parts really and who can experiment with this...
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