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Full Description

This specification describes a standardised method for the determination of the average viscometric degree of polymerisation (DPv) of new and aged cellulosic electrically insulating materials. It may be applied to all cellulosic insulating materials as used in transformer, cable or capacitor manufacturing. The methods described can also be used for the determination of the intrinsic viscosity of solutions of chemically modified Kraft papers, provided that these dissolve completely in the selected solvent. Caution shall be taken if the method is applied to loaded Kraft papers.

 

Amendments, rulings, supplements, and errata

  1. DANSK DS/EN 60450/A1


    Measurement of the average viscometric degree of polymerization of new and aged cellulosic electrically insulating materials