The manufacturer Welch Materials specializes in the field of chromatography and produces HPLC columns, SPE columns, GC columns, sample vials and syringe filters, among other products.
The company was founded in Shanghai in 2003. In 2011, another Chinese site was opened in Zhejiang. Welch Materials has established operations in West Haven, CT, USA as well as in Gurgaon, India.
Welch Materials has developed numerous innovative products. These include HPLC columns from the Ultisil® product series. The Welch Ultisil® range, based on silica gel, stands for a wide selection of different stationary phases. Each of them offers the well-known separation behavior in its classification and convinces through excellent reproducibility, efficiency, symmetry and lifetime.