No.

Test project

Unit

Company standard

Test result

1

Appearance

----

White powder/granule

White powder/granule

2

Absorption in 0.9% Nacl

g/g

≥62

63.8

3

Retention Capacity after centrifugation

g/g

≥36

37.2

4

Residual Monomer(As AA)

PPM

≤300

  265    

5

Moisture Content

%,m/m

≤6.0

4.5

6

Absorption under Pressure

0.3psi

g/g

≥15

18

0.7psi

g/g

7

Absorption Rate

s

≤15

13      

8

Whiteness

----

≥75

82

9

PH Value

----

6.0-6.5

6.05

10

Particle Size Distribution

>355μm

%

0

0

300-355μm

%

2.0-8

7.9

180-300μm

%

70-85

78

125-180μm

%

10-20

11.6

<125μm

%

≤7

2.5