What is Acetylene Black?

Acetylene Black

Acetylene Black is a high-purity conductive carbon black with a chain-like aggregate structure for evidence-gated conductive-network review.

Technical owner: Aurexene Materials Engineering Team · Last updated: 2026-07-23

Denka Blackacetylene carbon black
Matte black acetylene black powder in a clear glass dish on a clean neutral background.

Quick Answer

Acetylene Black is a high-purity conductive carbon black with a chain-like aggregate structure; confirm the selected grade and formulation-specific conductivity evidence.

What It Is Not

  • Acetylene Black is not graphite, graphene, or a carbon nanotube; it is a conductive carbon-black grade family.

When Not to Use It

  • Do not use Acetylene Black when electrical insulation, transparency, or a light-color formulation is required.

Intrinsic Screening Summary

Identity screen
Carbon; Chain-like conductive carbon black aggregates
Intrinsic feature
Aggregate contacts, surface area, ash, moisture, and dispersion can change electrical continuity and processing behavior.
Material-level integration
Control wetting, deagglomeration, dispersion, surface area, moisture, and formulation rheology. Final host, loading, process window, electrical target, and measurement method.

Application Fit

Application-specific fit is not yet published for this material. Contact us to discuss the intended system and qualification conditions.

Material Identity & Specification Status

Approved values for CAS / identity, Density, and Packaging are not published; confirm them during quotation or sample review.

PropertyValueMethod
CompositionCarbon
Particle size30-45 nm brochure range; confirm quoted grade and method
MorphologyChain-like conductive carbon black aggregates
PurityCarbon content above 99.5% brochure claim; confirm quoted grade and method
StorageKeep dry and sealed; control dust, contamination, and ignition sources per SDS
Primary particle size30-45 nmBrochure-stated range; quoted-grade method required
Specific surface area55-70 m2/gBrochure-stated range; test method required
Carbon contentAbove 99.5%Brochure claim; lot specification required

Why It Works

StructureFunctionMechanism
Branched, chain-like conductive carbon aggregates with pore volume and surface areaBuild electron pathways in a formulation-specific conductive networkAggregate contacts, surface area, ash, moisture, and dispersion can change electrical continuity and processing behavior.

Technical Guides

Technical GuideSummary
Carbon Conductive Networks in Lead-Acid Batteries: Charge Acceptance, PSOC, and Water-Loss TradeoffsMethod-conditioned guide to acetylene black, conductive carbon black, graphene-family, and CNT-family networks in lead-acid negative plates, covering conductivity, charge acceptance, PSOC, pores, sulfation, gas evolution, water loss, self-discharge, dispersion, and validation.

Documents & Inquiry

Document access follows the current approval state. Unapproved or unavailable files route to a document request instead of a public download.

Grade, Sample & Qualification Support

The Aurexene Materials Engineering Team can review the required form, host system, formulation or process, target, sample quantity, volume and timeline, and the grade-specific evidence needed before qualification.

Review Lab Capabilities for sample evaluation and qualification support, or Production Capabilities for scale-up, quality, documentation, and supply support.

Request Acetylene Black Sample / Qualification Review