The Overview of Filter Papers

Hawach Scientific is a modern enterprise contains well integration of R&D, production, sales, and after-sales services. We have a sales team for filter paper, after more than 16 years promotion, the high praise from the market for our quality and services, filter papers have various size and functions.

What is Filter Paper?

Filter paper is a kind of semi-permeable paper barrier placed vertically above a liquid or air. It is widely applied to separate purified substances from liquids or gas. In science labs the filter papers can be used for extract solids from fluid and also is capable of removing sand from water.

Properties of filter paper

Filter papers possess numerous properties. Its notably essential parameters include wet intensity, porosity, particle retention, compatibility and capacity of separation.
What is more, two mechanisms of filter papers filtration are obvious–volume and surface. Based on volume filtration the granules can be caught in the filter paper, while applying to the surface one, particles only get stuck on the surface of the paper.

Types of filter paper

Here we mainly sort filter papers out of two types. One is utilized in most living conditions. People are seemingly more familiar with coffee filters, oil filters, fuel filters and even the tea bag is on the list. However, another type is specialized for laboratories and sometimes named Laboratory Filters. Surprisingly, this one covers loads of subclasses such as Qualitative filter papers, Chromatography Papers, Extraction Thimbles, Glass Fiber Filters, Quartz Fiber Filter and PTFE filters.

Filter Papers use in Laboratory Filter Papers Disc Filter Paperin Chemistry

1. Lab filter paper: Qualitative filter paper and Quantitative filter paper, we have the full size of filter paper for you choose, accept OEM and customized size. Right now, Hawach Qualitative filter paper we can customize max diameter is 750mm, Quantitative filter paper max diameter is 300mm;
2. Asphalt filter paper: Special filter paper for Asphalt filtration, 400mm diameter, 350g/m2, 50pcs/pk, we also can accept OEM and customized size;
3. Sugar filter paper: Special filter paper for Sugar, our regular size is 185mm, we also can accept OEM and customized size;
4. Wine filter paper: Special filter paper for Wine, 80g/m2, Medium speed, 7-10um, have very good performance for wine, we also can accept OEM and customized size;
5. Hawach Filter paper has a round disc, sheet square, roll type.

Hope the above contents are clear enough for you to understand our filter papers, any questions or help you need, please don’t hesitate to contact us. Thank you and have a nice day.