TLG® Ashless Quantitative Filter Papers - No.42

TLG® Ashless Quantitative Filter Papers No.42 have the finest particle retention, making them suitable for analysis of very small particles. These filter papers are useful in processes requiring ashing and the preparation of gravimetric precipitates. Commonly used as a calcium carbonate filter for analysis in the cement industry. SPECIFICATIONS  Material: High Quality Cotton Linters  Porosity: Fine  Particle Retention in Liquid: 2.5µm  Herzberg Filtration Speed: 2040sec/100mL (or ASTM: 240sec)  Nominal Thickness: 180 ± 10µm  Nominal Weight: 100g/m²  Nominal Ash Content : 0.007%  Package Size: 100 Pieces