Dissolving the PU foam on a solvent ?

Talk Composites - The Forum for Advanced Composites

Back

Dissolving the PU foam on a solvent ?

Author	Message
Pertabolis	Pertabolis posted 12 Years Ago HOT Topic Details
Group: Forum Members Posts: 17, Visits: 193	Hi I was wondering if it was possible to dissolve the PU 80 low density model board in some solvents after having laminated a CF cloth around it ? The idea would be to - cut the foam to the target shape - apply the epoxy/CF cloth - dip the hole thing in a jar of acetone / other solvent Thanks for your help ! P.
	Reply Like 3
Replies
steveastroUK	steveastroUK posted 12 Years Ago HOT Post Details
Group: Forum Members Posts: 21, Visits: 78	[quote][b]baja_patient (30/04/2012)As for the acetone, I poured it into a regular plastic drinking cup, the cheap throw-away kind which I assume is PVC, and the bottom just fell out instantly. I was using class A acetone, which I bought from an epoxy supplier specially to clean epoxy tools. /quote] Usually polySTYRENE, NOT PVC - which is as much of a sod to dissolve as PU. Steve
	Reply Like 3
baja_patient	baja_patient posted 12 Years Ago HOT Post Details
Group: Forum Members Posts: 135, Visits: 1.6K	steveastroUK (05/05/2012) [quote][b]baja_patient (30/04/2012)As for the acetone, I poured it into a regular plastic drinking cup, the cheap throw-away kind which I assume is PVC, and the bottom just fell out instantly. I was using class A acetone, which I bought from an epoxy supplier specially to clean epoxy tools. /quote] Usually polySTYRENE, NOT PVC - which is as much of a sod to dissolve as PU. Steve Hmm yeah probably, but the cup was clear. Didnt know you could get clear polystyrene cups. not the white coffee ones. Nevermind, I use glass now and no solvent will dissolve that.
	Reply Like 2
steveastroUK	steveastroUK posted 12 Years Ago HOT Post Details
Group: Forum Members Posts: 21, Visits: 78	Yeah, polystyrenes come in clear as well as expanded forms.
	Reply Like 3
Pertabolis	Pertabolis posted 12 Years Ago HOT Post Details
Group: Forum Members Posts: 17, Visits: 193	baja_patient (06/05/2012) Nevermind, I use glass now and no solvent will dissolve that. Unless yo are using fluoridric acid !
	Reply Like 3