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pumping Oxymethylene

pumping Oxymethylene

10 grams of oxymethylene copolymerizate were heated with about 50 ml of distilled water with stirring and reflux cooling for 1 hour in a heating bath tempered to 100±0.5& C. Subsequently the reflux condenser was rinsed out with distilled water, the oxymethylene copolymerizate, filtered off and washed.

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