ITEM

EXCELLENT

FIRST

QUALIFIED

TiO₂ CONTENT

98%MIN.

97%MIN.

COLOR (COMPARED WITH

STANDARD SAMPLE)

SIMILAR TO

NOT LOWER

THAN

SLIGHTLY

POORER THAN

TINTING STRENGTH (COMPARED

WITH STANDARD SAMPLE)

100MIN.

90MIN.

VOLATILE (105℃)

0.5%MAX.

VOLATILE [105℃ AFTER 24HOURS,

PRECONDITION AT 23±2℃ AND (50±5)% RH]

0.5%MAX.

WATER-SOLUBLES

0.5%MAX.

0.6%MAX.

PH OF WATER SUSPENSION

LIQUOR

6.0-8.0

OIL OBSORPTION

22%MAX.

26%MAX.

30%MAX.

45 μm RESIDUE

0.05%MAX.

0.10%MAX.

0.30%MAX.

RESISTIVITY OF WATER

EXTRACTION LIQUOR (Ω㎝)MAX.

30

20

16