SAP Super Absorbent Polymer Hydrogel Gel Potassium Polyacrylate Granule for Agriculture

No.

Items

Unit

Standard

Result

1

Appearance

No

White granular

White granular

2

Whiteness

%

≥75

82

3

Absorption in 0.9% Nacl

g/g

≥62

64.6

4

Retention Capacity after centrifugation

250g

g/g

≥36

36.1

150g

g/g

5

Residual Monomer(As AA)

ppm

≤300

240

6

Moisture Content

%,m/m

≤6.0

5.3

7

Absorption under Pressure

0.3psi

g/g

≥15

18.2

0.7psi

g/g

----

8

Absorption Rate

s

≤15

15

9

PH Value

6.0-6.5

6.01

10

Density

g/cm3

0.65-0.70

0.64

11

Particle Size Distribution

>355μm

%

0

0

300-355μm

%

2.0-8

7.6

180-300μm

%

70-85

78.56

125-180μm

%

10-20

12.6

<125μm

%

≤7

1.24