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Acrylic Pressure Vessel - Cast or Extruded?

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Tanderm

Bioengineer
Dec 23, 2003
1
US
I'm designing a 10" OD, 20" long vessel that will see a repetitive internal vacuum load of up to 19 inHg. I've already decided on Acrylic but is cast or extruded acrylic the preferred material in this instance?
 
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True cast acrylic has significantly better mechanical properties than extruded material and somewhat better than the so called cast material that is actually reaction extruded.

Regards
pat

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