Medical Absorbent Cotton Compressed Roll or Piece

Medical absorbent cotton  is made from the head-fiber of mature seeds of cottonseed, mallow family, by removing inclusions, degreasing, bleaching and processing.It is mainly used for clinical dressing in hospitals.For ease of use, it can be compressed into a roll or packed into small pieces from 5g to 500g.

Medical absorbent cotton is one of our MAIN products and the BASIC products we have been continuously producing since 2003.The requirements, test methods, inspection rules, labeling, packaging, transportation and storage of medical absorbent cotton conform to the National standard YY0330-2015 for medical absorbent cotton:

1. Character: soft and elastic white fiber, without color spot, stain and foreign body, odorless, tasteless.
2. White degree: not be less than 80 degrees.
3. Soluble in water:Residue is less than 0.5% in 100mL test solution.
4. PH:Phenolphthalein indicator and bromocresol violet indicator do not show pink in 100mL test solution.
5. Easy oxide:Adding potassium permanganate to 40mL test solution do not completely disappear the red color.
6. Water absorption time: be sunk below the liquid level within 10S.
7. Water quantity:Water absorption per gram sample do not be less than 23g.
8. The soluble substance in ethers:Residue is less than 0.5% in 100 mL test solution.
9. Fluorescent material:no  blue fluorescence can be observed.
10. Dry weight loss:2g  was dried to constant weight, and the weight loss do not exceed 8.0%.
11. Burning residue:2g  was dried to a constant weight, and the residual residue in the test product do not be more than 0.5%.
12. Surface active substance:The surface active substance foam in the test solution do not exceed 2mm.
13. Sterile:Medical cotton products supplied aseptically  undergo an approved sterilization process.