Joining pieces of Alumilite

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Camardelle

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Sep 7, 2016
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141
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Texas
If I want to join (glue?) Alumilite pieces together, what are your recommendations for the adhesive? CA? Epoxy? Prayer? I may do a pen project, to something a little larger, still not sure.

Also, will a cured piece of Alumilite bond to another fresh pour? In other words, could I cure say a disc of Alumilite, and then do another pour on top of, sending that to the pressure pot?

All input welcomed. Thanks in advance.
 
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stuckinohio

stuckinohio

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May 3, 2015
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Subscribing. I have had mixed results with pouring alumilite on top of cured alumitite and maintaining a good bond.

Interested to see what others have to say.

Lewis
 
Ed McDonnell

Ed McDonnell

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Oct 20, 2008
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Melbourne, FL
Here's what the FAQ at the alumilite website has to say:

Bonding Alumilite to itself is best when the material is still curing or while it it is still warm. If the Alumilite has cooled down, make sure you have a clean surface and lightly score or/sand in order to give it some bite for better adhesion.

Bonding something to Alumilite works best when the material is still curing or shortly after demolding. The best adhesives for bonding Alumilite are ones that promote a chemical bond. Adhesives that work include but are not limited to: MMAS, epoxies, CAS (super glues), one part silicones, one part urethanes, and hot melts.

Here's what Ed says:

Good luck trying to get alumilite to stick to itself or anything else. My joints always failed (given enough time) or they looked horrible. In all fairness, I probably always waited too long before trying bonding. Life is too short for some things. Trying to bond alumilite is now on my list of those things.:biggrin:

Ed
 
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