View single post by mabloodhound
 Posted: Tue May 29th, 2012 02:02 pm
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Joined: Mon Apr 5th, 2010
Location: South Shore, Halifax, Massachusetts USA
Posts: 318
sledhead wrote: Has anyone tried one of these as an air removal device?

Seems like an inexpensive way to de-air a casting, but it does not specify how much of a vacuum it creates, too little, and the bubbles won't burst, they'll just get larger.

I used a Food Saver  because we own one and use it to seal canning jars, food bags, etc. and it has separate containers that can also be sealed.
I am new to this and just used it to de-air the RTV and the resin (before pouring).   Worked fine.   I may try it on the actual casting after my new masters get here from Shapeways.

Dave Mason
D&G RR (Dunstead & Granford) in On30
“All tyranny needs to gain a foothold is for people of good conscience to remain silent.” ~ Thos. Jefferson
“Those who hammer their guns into plows will plow for those who do not.” ~ me
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