GB/T 3780.21-2006 Replaced National standards

GB/T 3780.21-2006 Carbon black—Part 21:Determination of sieve residue for rubber compounding ingredients—Water washing method

GB/T 3780.21-2006 Carbon black—Part 21:Determination of sieve residue for rubber compounding ingredients—Water washing method

Publish Date: 2006-08-01 Implement Date: 2007-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 3780.21-2006

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Carbon black

ICS Name: Plastic auxiliary materials and additives

Publish Date: 2006-08-01

Implement Date: 2007-01-01

Pages: 7 pages

Scope

This part of GB/T 3780 specifies the method for determining the sieve residue of powder raw materials used in carbon black and rubber products by the water washing method. This part is applicable to conventional untreated rubber carbon black, dye carbon black, and powder raw materials used in rubber products. Other untreated carbon blacks can be used as a reference, but it is not applicable to various types of oil-treated carbon blacks and oil-treated powders.

Development Information

Word Count: 12 Thousand words Pages: 7 pages

Same series standard

GB/T 3780.1-2006 Carbon black—Part 1:Test method for iodine adsorption number GB/T 3780.7-2006 Carbon black—Part 7:Determination of pH value GB/T 3780.15-2006 Carbon black—Part 15:Determination of light transmittance of toluene extract

Replace the following standards

GB/T 3780.21-2002 Carbon black used in rubber products—Determination of sieve residue—Water washing method GB/T 13647-1992 Compounding ingredients for rubber products—Determination of sieve residue—Water-flushing method

Superseded by the following standards

GB/T 3780.21-2016 Carbon black—Part 21:Determination of sieve residue—Water washing method

Referenced Standards

GB 3778-1994 Carbon black for use in rubber industry GB 3778-2003 Carbon black for use in rubber products GB/T 3778-2011 Carbon black for use in rubber products GB/T 3778-2021 Carbon black for use in rubber products GB/T 6003.1-1997 Test sieves of metal wire cloth GB/T 6003.1-2012 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth GB/T 6003.1-2022 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth GB/T 7044-1993 Colour black—Specification GB/T 7044-2003 Colour carbon black GB/T 7044-2013 Colour carbon black GB/T 7044-2022 Colour carbon black GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values

Adopt standards

ISO 1437:1992

Related Standards

GB 7050-1993 Abolished

GB 7050-1993 Colour black—Determination of tinting strength

Publish Date: 1993-03-03

GB/T 7048-1993 Replaced

GB/T 7048-1993 Colour black—Determination of blackness

Publish Date: 1993-03-03

GB/T 3780.21-2002 Replaced

GB/T 3780.21-2002 Carbon black used in rubber products—Determination of sieve residue—Water washing method

Publish Date: 2002-05-29

GB/T 3780.5-2002 Replaced

GB/T 3780.5-2002 Carbon black used in rubber products—Determination of specific surface area—CTAB test method

Publish Date: 2002-05-29

GB/T 9578-2002 Replaced

GB/T 9578-2002 Standard reference black 3#

Publish Date: 2002-05-29

GB/T 9580-2002 Replaced

GB/T 9580-2002 Standard practice for carbon black—Evaluation of a standard reference black

Publish Date: 2002-05-29