BRAND IDENTITY
Vissal® is RichTech's own brand; RichTech is the company mark. Both identify the products on this page.
Fritted glassware is an essential tool for laboratory filtration, suction filtration, gravimetric analysis, and HPLC systems. All RichTech fritted products are manufactured from high-quality borosilicate glass 3.3 with sintered fritted discs, offering excellent chemical resistance, thermal shock resistance, and filtration efficiency. Our product line includes fritted funnels, fritted crucibles, fritted filter balls, and Agilent HPLC filter heads, with fritted disc grades supporting G1~G6 full range customization. Available in various capacities and diameters to meet diverse experimental needs — from routine suction filtration to trace ashing analysis, from gas pressure filtration to HPLC inline solvent filtration. Custom capacities, diameters, and fritted disc grades are available upon request.
BRAND IDENTITY
Vissal® is RichTech's own brand; RichTech is the company mark. Both identify the products on this page.
Click on a product to view details
Quality in every detail — from materials to craftsmanship
Low expansion coefficient, thermal shock resistant, resistant to acids, alkalis, and organic solvents
Full range of fritted disc grades available, uniform pore size, high filtration efficiency
Fritted disc firmly sintered to glass body — no detachment, no cracking
Full-process quality control from raw materials to finished products
Our technical team can provide custom capacities, fritted disc grades, and more