Best quality qualitative filter paper

Used in scientific research, industry, agriculture, health care, universities, teaching experiments, environmental testing, mainly for qualitative chemical analysis and the corresponding filtration, separation and purity of manufacture of the corresponding paper. Qualitative filter paper into a square and round two categories: 1. qualitative filter paper square of 60 × 60cm, 30 × 30cm and so on. 2. Qualitative filter paper round diameter Φ7cm, Φ9cm, Φ11cm, Φ12.5cm, Φ15cm, Φ18cm, Φ22cm etc.