cajun skeeter
Member
What would cause Alumilite CC to foam up into a big blob of bubbles?
Foaming Alumilite
- Thread starter cajun skeeter
- Start date
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Dave_M
Member
I believe that's caused by moisture. Alumilite hates moisture. Even the slightest trace of moisture will cause it to get angry and foam up at you. There might be other reasons for it but that's what I seem to remember.
leestoresund
Member
I put it in a vacuum once and it became a big blob of little teeny tiny bubbles.
Lee
Lee
gketell
Local Chapter Leader
moisture causes alumilite to foam quite well.
vacuum will cause the micro bubbles in the solution to expand until no longer micro. If you let the resin harden this way then it will end up bubbly. This goes for any resin, not just alumilite. But it is more likely to happen with alumilite because it sets so fast you don't really have time to vacuum and release the mixed resin.
vacuum will cause the micro bubbles in the solution to expand until no longer micro. If you let the resin harden this way then it will end up bubbly. This goes for any resin, not just alumilite. But it is more likely to happen with alumilite because it sets so fast you don't really have time to vacuum and release the mixed resin.
HSTurning
Member
Neil (Wolftat) made a real nice blank of bubble with some shredded money mixed in about a year ago. But spit didnt cause bubbles. go figure
wolftat
Product Reviews Manager
The other thing that will cause Alumilte to foam besides moisture is age, I recently took a set that was sealed and put away for over a year and tried to mix it into a batch and it foamed up over the sides of the cup and spilled all over, it looked like a white volcano.
Matt is correct, humidity in whatever you are casting in the mix will cause it to foam, but so far, my spit will not cause foam.
Matt is correct, humidity in whatever you are casting in the mix will cause it to foam, but so far, my spit will not cause foam.
cajun skeeter
Member
I tried air drying and pressure, It bubbled up both ways, less so in the pot, the gal. is over a year old, so maybe it's old age, a lot of that going on around here
Ankrom Exotics
Member
The shelf life for Alumilite (according to the makers) is approx. 6 months. This would make the age of the resin a likely suspect, I'd think.
Lsarios
Member
Age will have some effect but the bubbles are moisture. You can try to put the resin in a vacuum chamber. Leave it in there until it stops bubbling (20-30 minutes) and try casting with it again. As a last resort (or if you do not have a vacuum chamber) you can put it in the oven at 250 degrees for 2 hours.
Laurenr
Member
And, be careful with dyes and pigments. Some work and some do not. I have seen everything from foaming to curdling. If it is made to work with acrylic paints, it probably will NOT work with alumilite.