No.

Test item

 unit

Company standard

Test result

1

Appearance

----

White granule

White granule

2

Absorption in 0.9% Nacl

g/g

≥55

60

3

Retention Capacity after centrifugation

g/g

≥30

30

4

Residual Monomer(As AA)

PPM

≤300

   300    

5

Moisture Content

%,m/m

≤6.0

6.0

6

Absorption under Pressure

0.3psi

g/g

≥28

29

0.7psi

g/g

≥20

22

7

Absorption Rate

s

≤30

27       

8

Whiteness

----

≥75

78

9

PH Value

----

6.0-6.5

6.05

10

Particle Size Distribution

>25mesh

%

1.5

1.5

25-35mesh

%

30-45

36

35-50mesh

%

35-50

47

50-100mesh

%

14-25

14.3

<100mesh

%

1.5

1.2

Note