Vacuum Pump

From: M.C. MOOLMAN (mc@freeplay-eng.co.za)
Date: Tue Aug 10 1999 - 16:09:11 EEST


Dear List,

I am busy putting together a low cost vacuum chamber to de-air RTV silicon.
At present I am using Wacker Elastosil M4640 transparent RTV. It is extremely tacky and with the vacuum pump I am using now, I have difficulty releasing the bubbles from the RTV.
Can anybody give me a pressure rating of a vacuum pump that I will need to de-air most RTV's?

Thanks

M.C.Moolman
Freeplay Engineering
Cape Town
South Africa

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