技术指标
|
技术指标 Specifications
|
一级品 Firsts
|
二级品 Second
|
||
|
粒度10－24目
2.0－0.8mm |
Gain size
|
%
|
≥95
|
≥95
|
|
碘 值
|
Lodin value
|
mg/g
|
≥1000
|
≥900
|
|
亚甲兰脱色力
|
Methylene blue
|
ml
|
≥10
|
≥8
|
|
强 度
|
Serength
|
%
|
≥95
|
≥95
|
|
干燥减量
|
Loss on drying
|
%
|
≤10
|
≤10
|
|
灼烧残渣
|
lgnition residue
|
%
|
≤3
|
≤3
|
|
充填比重
|
Filling ratio
|
g/ml
|
0.45－0.55
|
0.45－0.55
|
|
PH值
|
PH
|
6－8
|
6－8
|
|
