The Qualitative Filter Paper is usually used for general qualitative analysis and separating coarse and gelatinous precipitates from solutions in the lab or chemistry applications, but can't be used for quality analysis.

Specifications
Material: Paper; Color: White; Diameter: 18cm / 7.09 inch; Flow Speed: Fast; Ash Content: ≤0.15%; Filtration Rate: 70-140 s; Bore Diameter: 10-15um; Packing List: 200 x Qualitative Filter Paper

Advantage
Filter paper is a kind of paper with good filtering performance. The paper is loose and has a strong absorption performance for liquids.

Instruction
Qualitative filter paper usually residue more ash, its ash content is higher than quantitative filter paper, and it has a certain amount of ash after burning.

NOTE: Please check the size carefully if you are concerned about this.