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SAP Super Absorbent Polymer for Baby Diaper Adult Diaper Sanitary Napkin
Raw Material for Baby Diaper Making SAP Powder MSDS Super Absorbent Polymer:
Super absorbent polymer (SAP) is a polymer materialwith good water absorption and water-holding capacity.
It can absorb water up to several hundred times of its own weight, and become a natural gel within seconds.
Even under the conditions of heat and pressure its water retention is also very strong.
Meanwhile, it has a good stability when meeting light, heat, acid and alkali, also with good biodegradability.
Because of its many advantages, SAP is widely used in various fields (personal care, agroforestry, industry, etc.).
Main specification: SAP Super Absorbent Polymer
1. Appearance: White granule
2. Water content : max 7%
3. Water sopping ratio (pure water): min 350 g/g
4. Water-keeping ratio(0.9% sodium chloride solution) : 35
5. Absorbing Rate : max 35 seconds
6. PH value: 6—8
7. Apparent specifica gravity: 0.6-0.8p
8. Residual monomer (Acrylic acid): max 300 ppm
acrylamide and potassium acrylate cross-linked |
|||
appearance |
Large granule |
Middle size granule |
Small granule |
Size (mm) |
0.5~3.15 |
0.3~1 |
0.3~0.5 |
electric density |
medium |
medium |
medium |
proportion |
1.1 |
1.1 |
1.1 |
approximate volume density |
0.8 |
0.8 |
0.8 |
water absorption capacity (deionized water)(g/g) |
200~400
|
200~400
|
200~400
|
max water absorption capacity (1000ppm NaCl solution )(g/g) |
150
|
150
|
150
|
|
time to 60% of max water absorption (minute)
|
60
|
30
|
30
|
3~5 |
3~5 |
3~5 |
|
storage temperature |
0~35 |
0~35 |
0~35 |
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