cations, it will help you to make an apple to apple comparision on the quality and price. Paper used for sterile gauze varies a lot in paper type and gram weight: 1. Most Chinese factories use food grade paper or other non-medical grade paper which can not pass 5 years of shelf life per required by the pharmacopeioa. 2. We suggest our customers to speficify the medical grade paper as a "must " and ask for a certificate of use issued by Arjo Wiggins or other manufacturers of medical grade paper. At present there is no one factory making medical grade paper in China.