BRAND IDENTITY
Vissal® is RichTech's own brand; RichTech is the company mark. Both identify the products on this page.
Chromatography columns are essential glassware for separation and purification in column chromatography, widely used in natural product isolation, synthetic compound purification, protein purification, and environmental analysis. RichTech chromatography columns are manufactured from high-borosilicate glass 3.3, offering excellent chemical resistance, thermal shock resistance, and high clarity. Available in straight, fritted, with stopcock, and constant-pressure configurations. All joints feature precision-ground 1:10 taper, compliant with Chinese National Standards (GB/T), US ASTM E, and ISO 3585 standard taper specifications. Custom inner diameters, lengths, and joint sizes are available upon request.
BRAND IDENTITY
Vissal® is RichTech's own brand; RichTech is the company mark. Both identify the products on this page.
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Quality in every detail, from materials to craftsmanship
ISO 3585 compliant, low expansion, thermal shock 280°C
Accurate inner diameter control for consistent column efficiency
1:10 taper, interchangeable, reliable sealing
Full quality management from raw material to finished product
Our technical team can assist with custom ID, length, and joint sizes