ITEM

SPECIFICATION

RESULT

DE CHROMATIC COORDINATES

0.5% MAX

0.4%

TINTING STRENGTH (COMPARED WITH STANDARD SAMPLE)

100%+3

102%

SOLUTE WATER CONTENT

≤0.2%

0.14%

FREE SULFUR

≤0.05%

0.03%

MOISTURE (105+2°C)

≤0.5%

0.09%

SIEVE RESIDUE(325 MESH)

≤0.1%

0.04%

OIL ABSORPTION

30-40

33

HEAT FASTNESS

≥300°C

>300°C

PH VALUE

8-10

8-10

RESISTANCE TO MIGRATORY

5

5

WEATHER FASTNESS

8

8

ACID FASTNESS

1

1

ALKALI FASTNESS

2-3

2-3

CHROMATICITY(COMPARE WITH STANDARD SAMPLE)

SAME

SAME

CONCLUSION:  IT IS CONFORMITY WITH EXPORT STANDARD