Viscometer crossover tube cleaning

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Does anyone know of a place that will clean Viscometer crossover tubes?

ASTM D 445-03 says to use a Chromic Acid cleaning solution or equivalent. We do perform a flush and rinse on our equipment. These tubes have been in the machine for several years and have never been cleaned per ASTM standards.

Should we even have them cleaned or is it cheaper to buy new ones at appx. $100 a pop?

5/25/046:44 AM

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