Inspection Item	Product name	CC-998	CC-988	CC-978	CC-968	CC-958	CC-938	CC-928	CC-918	CC-905	CC-903	CC-902	CC-9111
specific surface area	cm2/g	23500	21000	19500	18500	17500	16000	15000	13500	12500	11500	10000	8000
D97	μm	4.0	4.5	5.0	6.0	7.0	8.0	10.0	12.0	15.0	18.0	25.0	38.0
Average size	μm	1.2	1.4	1.6	1.8	2.0	2.2	2.5	3.0	3.5	4.5	5.5	7.5
Max size	μm	6.76	8.15	9.83	11.85	13.02	15.7	20.79	22.83	27.57	30.24	36.47	45.5
Whiteness	%	95.5	95.5	95.5	95.5	95.5	95.5	95.5	95.5	95.5	95.5	95.5	94.5
Apparent specific gravity	g/cm3	0.90	0.98	1.01	1.03	1.06	1.09	1.12	1.20	1.30	1.33	1.36	1.41
True specific gravity	g/cm3	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7
pH		9±0.5	9±0.5	9±0.5	9±0.5	9±0.5	9±0.5	9±0.5	9±0.5	9±0.5	9±0.5	9±0.5	9±0.5
Moisture	%	≤0.5	≤0.5	≤0.5	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3
Oil absorption	g/100g	28	27.5	26.5	26	25	24	23	22.5	21.5	21	20	18
Water absorption	c.c/100g	30	30	30	28	28	28	28	27	26	23.5	22.45	21.05
DOP absorption	c.c/100g	40	38.5	36	35.5	35	34.5	33	31	30.5	30	28	21
Residue on 325 mesh sieve	%	0	0	0	0	0	0.01	0.01	0.02	0.02	0.02	0.03	0.3
Settling volume	60min	68	60	56	48	39	34	30	19	18	12	11	9
Net wt	Kg	25	25	25	25	25	25	25	25	25	25	25	25