ITEM

Characteristic Value

�Π�Shape

����Sphere

����ܶ�Apparent density

��sApprox 0.6g/ml

PHֵ

6.5��8.5��can alter according to requirement��

�ȱ���eSurface area

1,000��1,300�O/g (BET )

����pore volume(cm3/g)

0.49-0.56

�׏�pore size(nm)

��3.0

����Ӳ��(N)

10-12��can alter according to requirement��

����ʧ��Reduction on drying

��5%

������ֵIodine number

1,100��1,350mg/g

���Ȼ�̼������Carbon tetrachloride absorption capacity

70��85%����ֵ

�����׼��{��Óɫ��Methylene blue adsorption

200��250ml/g (GB)

�ҷ�Ash content

<0.5% (���ṩ<0.05% can provide product <0.05% )

�Ȼ���Chloride

< 0.1 %

�����}Sulfate

< 0.05%

�����ܽ���Acid soluble substances

< 10 mg(���ṩ<2mg,can provide product <2mg)

�F�}Iron

< 0.05%

�\�}Zinc

< 0.02%

�ؽ���Heavy metals

< 30 ppm(���ṩ<10ppm,can provide product <10ppm)

����������Phenol absorption capacity

180��220mg/g