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Ketjenblack EC-300J Electroconductive carbon black

Oct. 07, 2023

KETJENBLACK Highly Electro-Conductive Carbon Black

.What is KETJENBLACK?

.KETJENBLACK Features

.Grades and Main Applications

.Typical Characteristics

.Electro-Conductive Mechanism

.Examples of Electro-Conductive and Mechanical Properties


1. What is KETJENBLACK?

KETJENBLACK is a unique electro-conductive carbon black that has received favorable evaluations for its superior performance and stability of quality. Mixed with plastic, rubber or other materials, KETJENBLACK has garnered high marks for providing the same level of electro-conductivity with a lower loading quantity as conventional carbon black.


2. KETJENBLACK Features

(1) Same level of electro-conductivity as conventional carbon black but with 1/2 to 1/3 of the loading quantity

(2) Effective at a lower loading quantity, has minimal effect on the physical properties of base resins or paint

(3) Minimal reduction in electro-conductivity when mixed with other materials



Packing (Net: Kg)Applications
KETJENBLACK EC300JGranule10kg PE bagElectro-conductive fillers used in resin compounds, electro-conductive battery materials, paint, colorant, toner
CARBON ECPPowder4kg Kraft paper bag
KETJENBLACK EC600JDGranule8kg PE bag
CARBON ECP600JDPowder4kg Kraft paper bag


KETJENBLACK EC600JD is a high-performance product that displays the same level of performance at approximately 60% of the amount of KETJENBLACK EC300J.



KETJENBLACK EC300JKETJENBLACK EC600JD
DBP absorption (cm3/100g)360 (9g method)495 (15g method )
BET surface area (m2/g)8001270
Volatiles (%)0.50.7
pH9.09.0
Ash content (%)0.050.10
Primary particle radius (nm)39.534.0
ApplicationsElectro-conductive fillers used in resin compounds, battery materials, paint, colorant, toner


KETJENBLACK EC600JD is a high-performance product that displays the same level of performance at approximately 60% of the amount of KETJENBLACK EC300J.


Image of KETJENBLACK's primary particle

Ketjenblack EC-300J Electroconductive carbon black


KETJENBLACK's pore structure allows it to perform in a manner that is superior to that of other types of carbon black.


Transmission electron microscopic images of KETJENBLACK EC

Ketjenblack EC-300J Electroconductive carbon black

Carbon black's particle number and electro-conductivity



KETJENBLACKAcetylene black
Composition10wt% polycarbonate10wt% polycarbonate
Electro-conductivity3.9Ω·cm>1×108Ω·cm


KETJENBLACK is able to achieve the same resistivity value as a competitor's oil-furnace carbon with 1/2 to 2/3 of the loading quantity. Consequently, KETJENBLACK is able to reduce its impact on base resin.

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