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?
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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