- Character: soft and elastic white fiber, without color spot, stain and foreign body, odorless, tasteless.
- White degree: not be less than 80 degrees.
- Soluble in water:Residue is less than 0.5% in 100mL test solution.
- PH:Phenolphthalein indicator and bromocresol violet indicator do not show pink in 100mL test solution.
- Easy oxide:Adding potassium permanganate to 40mL test solution do not completely disappear the red color.
- Water absorption time: be sunk below the liquid level within 10S.
- Water quantity:Water absorption per gram sample do not be less than 23g.
- The soluble substance in ethers:Residue is less than 0.5% in 100 mL test solution.
- Fluorescent material:no blue fluorescence can be observed.
- Dry weight loss:2g was dried to constant weight, and the weight loss do not exceed 8.0%.
- Burning residue:2g was dried to a constant weight, and the residual residue in the test product do not be more than 0.5%.
- Surface active substance:The surface active substance foam in the test solution do not exceed 2mm.
- Sterile:Medical cotton products supplied aseptically undergo an approved sterilization process.
Medical absorbent cotton is made from 100% pure natural cotton, by removing inclusions, degreasing, bleaching and processing.For ease of use, it can be compressed into a roll or packed into small pieces. Our advantage lie in low cost, high quality, strong research and service capabilities, brought about by the whole industry chain from raw cotton processing to all medical cotton products.