GB/T 3781.9-2025 Active National standards

GB/T 3781.9-2025 Acetylene black—Part 9:Determination of resistivity

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 3781.9-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Carbon black

ICS Name: Rubber synthetic ingredients

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 12 pages

Scope

This document describes the methods for determining the resistivity of acetylene carbon black, which are divided into Method A and Method B.
This document is applicable to acetylene carbon black.

Development Information

Word Count: 9 Thousand words Pages: 12 pages

Replace the following standards

GB/T 3781.9-2019 Acetylene black—Part 9:Determination of resistivity

Referenced Standards

GB/T 3780.8-2002 Carbon black—Determination of heating loss GB/T 3780.8-2008 Carbon black—Part 8:Determination of heating loss GB/T 3780.8-2019 Carbon black—Part 8:Determination of heating loss GB/T 3782-1993 Acetylene black—Specification limits GB/T 3782-2006 Acetylene black GB/T 3782-2016 Acetylene 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 GB/T 12804-1991 Laboratory glassware—Graduated measuring cylinders GB/T 12804-2011 Laboratory glassware—Graduated measuring cylinders GB/T 12827-1991 Standard reference acetylene black and standard practice for evaluation GB/T 12827-2008 Standard reference acetylene blank and standard practice for evaluation

Related Standards

GB/T 11409.4-1989 Replaced

GB/T 11409.4-1989 Test method of weight loss on heating for rubber antiagers and vulcanizing accelerators

Publish Date: 1989-03-31

GB/T 11409.5-1989 Replaced

GB/T 11409.5-1989 Test method of residue on sieve for rubber antiagers and vulcanizing accelerators

Publish Date: 1989-03-31

GB/T 11409.7-1989 Replaced

GB/T 11409.7-1989 Test method of ash for rubber antiagers and vulcanizing accelerators

Publish Date: 1989-03-31

GB/T 11409.8-1989 Replaced

GB/T 11409.8-1989 Test method of viscosity for rubber antiagers and vulcanizing accelerators—Rotational viscometer method

Publish Date: 1989-03-31

GB/T 12827-1991 Replaced

GB/T 12827-1991 Standard reference acetylene black and standard practice for evaluation

Publish Date: 1991-04-23

GB/T 13021-1991 Replaced

GB/T 13021-1991 Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolysis

Publish Date: 1991-07-03