Introduction :
Sodium polyacrylate, with the chemical formula (C3H3NaO2)n, is a new type of functional polymer material and important chemical product. The solid product is a white or light yellow block or powder, and the liquid product is a colorless or light yellow viscous liquid. It is obtained from acrylic acid and its esters as raw materials through aqueous solution polymerization. It is odorless, soluble in sodium hydroxide aqueous solution, and precipitates in calcium hydroxide, magnesium hydroxide and other aqueous solutions. It is often used as water treatment agent, salt water refining and latex thickening. It can also be used as food thickening and emulsification.
| Item | STANDARD | Test RESULTS |
| Appreance |
| white powder |
| Free alkail | Not react with phenolphthalin | Pass |
| Sulfate ( test SO4) , % max | ≤ 0.49 | < 0.49 |
| Arsenic ( test As2O3), ppm max | ≤ 2 | < 2 |
| Heavy Metal ( test Pb), ppm max | ≤ 20 | < 20 |
| Residual Monomer, % max | ≤ 1 | 0.61 |
| Oligomer, % max | ≤ 5 | 4.14 |
| Starch | Unchanged blue in Iodine | Pass |
| Loss on drying ( 105ºC, 4 hours), % max | ≤ 10 | 3.26 |
| Residue on ignition, % max | ≤ 76 | 68.19 |
Dongdu Biology is a company that develops and sells high-end chemicals. Our company aims to provide all-round and professional technical solutions and products and services for domestic and foreign customers in line with the principle that professionals do professional things; The company has its own independent research and development team, perfect experimental facilities and advanced testing instruments, and at the same time, it is equipped with complete production equipment for product extraction, separation, synthesis, fermentation and strict quality control system to ensure the stability of product quality from all aspects.
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