1

Exterior

/

Black powder

Visual

2

SSa

m2/g

100-120m2/g

BET

3

Powder resistance

mΩ.cm

≤1500

Powder resistance tester

4

Vibrating density

g/cm³

0.1000-0.3000

Vibrating density tester

5

Ash content

%

≤0.2

TG-DTG

6

Moisture  content

ppm

≤5000

TG-DTG

7

Oil absorption

/

110-130

Titrimetry

8

Metal content

Ni

ppm

≤5

ICP

Fe

≤100

Co

≤5

Cu

≤5

Zn

≤5

Cr

≤5