HeyWin Filter Paper 15cm,pack of 45,Used in Laboratories for Filtering Solutions and Qualitative Analysis (45)

Material: composed of high-quality coarse cellulose, excellent workmanship, bleaching, non toxic, non heating, heat resistance. Filter paper diameter: 150mm；Pieces:45. Filter paper 150mm possesses a pore size of between 15-20µm,filter papers remove particles > 20 µm,ash content: ≤0.15%. Medium flow: 150 mm filter paper works better and helps in the experiment due to the correct flow rate,filtration Speed: 35-70 seconds,our paper’s medium retention and flow rate provide a wide array of uses not only biological and chemical fields, but it is also excellent for use in classroom settings. HeyWin Team always adhere to the principle of customer first, and serve with heart. If you encounter problems with the product, please contact us immediately, we will give you a satisfactory answer within 24 hours