GB/T 20646-2006
Rubber compounding ingredients. p-Phenylenediamine(PPD) antioxidants. Test methods (English Version)

Standard No.

GB/T 20646-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

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

Latest

GB/T 20646-2006

Scope

This standard specifies the test methods for determining the purity, volatile matter and ash content of p-phenylenediamine (PPD) rubber antioxidants. This standard applies to the determination of phthalic acid (PPD) type rubber antioxidants.

GB/T 20646-2006 Referenced Document

• GB/T 6678 General principles for sampling chemical products
• GB/T 6682 Water for analytical laboratory use.Specification and test methods*， 2008-05-15 Update
• GB/T 9722 General Principles of Chemical Reagent Gas Chromatography*， 2023-08-06 Update

GB/T 20646-2006 history

• 2006 GB/T 20646-2006 Rubber compounding ingredients. p-Phenylenediamine(PPD) antioxidants. Test methods