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Air release mold / molduct tubing ?


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Hello Sabi54.

Nice link. The gal describes the process well. Two differences in my experience:

1) I let the mold purge a full 60 minutes at the end. (50-70 lbs. depending upon the pressure setting of the hydraulic press.)

2) I usually poured in a rigid mold casing made of steel or pvc. (That protected the molds from cracking when the press brought the two molds together.)

Mold duct tubing - the first time I ordered it, without knowing its proper name, I called it "hollow cloth rope". If the rope highlighted, holds its round shape, then I think it might work.

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