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
