GB/T 29305-2012
Measurement of the average viscometric degree of polymerization of new and aged cellulosic electrically insulating materials (English Version)
- Standard No.
- GB/T 29305-2012
- Language
- Chinese, Available in English version
- Release Date
- 2012
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 29305-2012
- Scope
- This standard specifies a standard method for the measurement of the viscosity-average degree of polymerization (DPv) of new and aged cellulose electrical insulating materials. This standard applies to all cellulose insulating materials, such as cellulose insulating materials used in transformers, cables, capacitors and other products. The test method described in this standard is also applicable to the determination of the intrinsic viscosity of kraft paper which can be completely dissolved in the selected solvent after chemical modification. Use caution when applying the test methods described in this standard to waxed kraft paper.
GB/T 29305-2012 Referenced Document
- IEC 60814 Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration
- ISO 287 Paper and board - Determination of moisture content of a lot - Oven-drying method*， 2017-11-01 Update
- ISO 3105 Glass capillary kinematic viscometers - Specifications and operating instructions
GB/T 29305-2012 history
- 2012 GB/T 29305-2012 Measurement of the average viscometric degree of polymerization of new and aged cellulosic electrically insulating materials
