Surgical Cotton Balls Standard requirements
Surgical Cotton Balls
The Surgical Cotton Balls should be a soft and elastic white fiber, without stains, stains and foreign objects, odorless and tasteless.
The whiteness of the Surgical Cotton Balls should not be less than 80 degrees.
3.3 water soluble substance
In 100 m of the test solution in the remaining residue should be less than. .5%.
3.4 acidity and alkalinity
Add phenolphthalein at 100 mL in the test solution may not be shown in pink, with bromocresol purple or yellow.
In 40 ml_ in the test solution and test solution of Potassium Permanganate red does not completely disappear
Zhejiang Oyeah Technology Co., Ltd.
Add:#172, Yixian Road, Wukang Town, Deqing County, Huzhou City, Zhejiang Province, China