ITEM

UNIT

Micronized

Medium

Appearance

Tensile Strength

≥Mpa

29

27

Elongation at rupture

≥%

300

250

Volume density

g/L

300-450

500±100

Residue on Sieve

(65 um) ≤ 

3

Average grain

u m

320±5

180±80

Moisture content

≤%

0.04

Melting point

°C 

327±5

Standard relative density

2.130-2.160

Thermal instability index

≤

20

Electrical strength

≤MV/m

60