Standard No.:	GB/T 3782-2016
English Name:	Acetylene black
Chinese Name:	乙炔炭黑
Chinese Classification:	G49    Carbon black
Professional Classification:	GB    National Standard
ICS Classification:	83.040.20 83.040.20    Rubber compounding ingredients 83.040.20
Source Content Issued by:	AQSIQ; SAC
Issued on:	2016-06-14
Implemented on:	2017-1-1
Status:	valid
Superseding:	GB/T 3782-2006 Acetylene black
Target Language:	English
File Format:	PDF
Word Count:	4500 words
Translation Price(USD):	130.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the variety classification, requirements, test methods, inspection rules, sampling, acceptance, packaging, marking, storage and transportation of acetylene black. This standard is applicable to acetylene black prepared through pyrolysis of acetylene gas. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced documents (including any amendments) applies. GB/T 3780.1 Carbon black - Part 1: Test method for iodine adsorption number GB/T 3780.7 Carbon black - Part 7: Determination of pH value GB/T 3780.8 Carbon black - Part 8: Determination of heating loss GB/T 3780.10 Carbon black - Part 10: Determination of ash GB/T 3780.12 Carbon black - Part 12: Inspection of impurity material GB/T 3781.5 Acetylene black - Part 5: Determination of grit content GB/T 3781.6 Acetylene black - Part 6: Determination of apparent specific volume GB/T 3781.8 Acetylene black - Part 8: Determination of hydrochloric acid absorption number GB/T 3781.9 Acetylene black - Part 9:Determination of resistivity GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values GB/T 22865 Kraft 3 Variety classification 3.1 Powdered products. 3.2 50% compressed products. Compressed powdered acetylene black with apparent specific volume as half of that of powdered acetylene black. 3.3 75% compressed products. Compressed powdered acetylene black with apparent specific volume as a quarter of that of powdered acetylene black. 3.4 100% compressed products. Compressed powdered acetylene black with apparent specific volume as one fifth of that of powdered acetylene black.

Foreword i 1 Scope 2 Normative references 3 Variety classification 4 Technical requirements 5 Test methods 6 Inspection rules 7 Sampling 8 Acceptance 9 Packaging, marking, storage and transportation Annex A (Normative) Determination method for powder resistivity