GB/T 3780.21-2016
Carbon black.Part 21:Determination of sieve residue.Water washing method (English Version)

Standard No.

GB/T 3780.21-2016

Language

Chinese, Available in English version

Release Date

2016

Published By

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

Latest

GB/T 3780.21-2016

Replace

GB/T 3780.21-2006

Scope

This part of GB/T 3780 specifies the method for determining the sieve residue of various untreated carbon black and powders for rubber products by washing with water. This part is applicable to various types of carbon black, powders for rubber products, etc. This section does not apply to various types of carbon black and powders that have been treated with oil.

GB/T 3780.21-2016 Referenced Document

• GB 3778 Carbon black for use in rubber products
• GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*， 2022-10-12 Update
• GB/T 7044 Colour carbon black*， 2022-03-09 Update
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 3780.21-2016 history

• 2016 GB/T 3780.21-2016 Carbon black.Part 21:Determination of sieve residue.Water washing method
• 2006 GB/T 3780.21-2006 Carbon black.Part 21:Determination of sieve residue for rubber compounding ingredients.Water wsahing method
• 2002 GB/T 3780.21-2002 Carbon black used in rubber products--Determination of sieve residue--Water washing method
• 1992 GB/T 13647-1992 Compounding ingredients for rubber products--Determination of sieve residue-water-flushing method

GB/T 3780.21-2016 -All Parts