GB/T 13021-2023
Calcination and pyrolysis methods for determination of carbon black content of polyolefin pipes and fittings (English Version)

Standard No.

GB/T 13021-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 13021-2023

Replace

GB/T 13021-1991

GB/T 13021-2023 history

• 2023 GB/T 13021-2023 Calcination and pyrolysis methods for determination of carbon black content of polyolefin pipes and fittings
• 1991 GB/T 13021-1991 Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolysis