Hawach Scientific Co., Ltd provides qualitative and quantitative cellulose filter papers. It can meet the needs of different levels of purity, hardness, flow rate, loading capacity, and chemical resistance for our customers. For the qualitative filter paper, it includes standard filter papers and wet-strengthened filter papers.

The qualitative filter paper is used to identify the properties of substances in qualitative analysis. Wet strength qualitative filter paper contains a small amount of chemically stabilized resin, thereby enhancing the wet strength. This does not introduce any obvious impurities into the filtrate. However, because of resin containing nitrogen, these grades of filter paper cannot be used for determination of Kjeldahl nitrogen.

The quantitative filter paper is mainly used for the filtration after the filtration, that is, the weight method analysis test and the corresponding analysis test in the quantitative chemical analysis. The ash weight of each filter paper is a fixed value

Hawach Scientific offers customer one-stop purchase, marketing strategy and solution for laboratory filtration products. We strive to offer the best?solution for customers' business and superior quality products at a reasonable price. We are constantly focused on customers needs and do?self-improvement to guarantee all customers needs can be satisfied. We love what we do and give our best enthusiasm and commitment?to every customer we served. Simply put, if you want a partner who cares about your business choose Hawach Scientific.