How to Purchase Filter Paper?
Hawach Scientific filter papers are all made of pure cotton linters and have an ash content of less than 0.006%, the high alpha cellulose are produced under tightly controlled manufacturing conditions to assure lot to lot quality year after year. The quality is equivalent to Whatman and the price is very competitive.
When you want to purchase filter paper, firstly you should know it is Qualitative filter paper or Quantitative filter paper?
Secondly, you should know what’s the diameter of your filter paper such as 70mm, 90mm, 110mm, 125mm, 150mm, 180mm and etc. Right now for Qualitative filter paper, the biggest diameter is 750mm, Quantity filter paper the biggest diameter is 300mm.
Thirdly, you should know your filtration speed, we have FAST(20-25um), SLOW(2.5um-3um), MEDIUM(8-11um), after you confirm the filtration speed, then you just need let us know your quantity.
Last, we also can accept OEM products, customized size, small trail order, after all, our sales policy are very flexible, welcome to contact us if you have any questions about the filter paper.