CHELMSFORD, Mass.--(BUSINESS WIRE)--A new ASTM Standard Test Method certifies the simple, convenient, and accurate viscosity measurement method employed in portable MiniVisc 3000 Series viscometers ...
Traditional methods for measuring IV of hygroscopic polymers involve dissolving the polymer in halogenated solvents such as chlorinated phenols and comparing the flow time of the solution with that of ...
In contrast, chip- or bottle-grade PET has a higher molecular weight, with its intrinsic viscosity (IV) generally in the ...
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