What is the difference between potassium polyacrylate and sodium polyacrylate?
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- Issue Time
- 05-06-2020
Usages
potassium polyacrylate: water retaining agent for plants
sodium polyacrylate: absorbent material of diaper, sanitary napkins, etc.
Process of absorbing
potassium polyacrylate: white powder => transparent water gel
sodium polyacrylate: white powder => white water gel => transparent water gel
Decomposition time
potassium polyacrylate: more than two weeks
sodium polyacrylate: in one week
Decomposition product
potassium polyacrylate: K+, carbon dioxide, water, etc.
sodium polyacrylate: Na+, carbon dioxide, water, etc.
Price
potassium polyacrylate: high
sodium polyacrylate: low
Update
It’s unwise to use Sodium polyacrylate as water retaining agent. It’s no working and would cause salinization of soil.