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KLK Kolb is a manufacturer of various excipients which we offer as tested according to European pharmacopeia. Since 2017, KLK Kolb's site in Switzerland is duly authorized by Swissmedic to manufacture and distribute active pharmaceutical ingredients too. As a first product according to GMP Kolb manufactures Hedisan-80 (Polysorbate-80). Further products will be released.
Moreover Kolb has registered its Polysorbate 80 at the Chinese authority for the use on the Chinese market. Registration numbers are available.

KLK Kolb is a successful manufacturer of nonionic surfactants, paper process chemicals, and chemical intermediates employing 480 people. Its head office is in Hedingen, Switzerland. In 2007, Kolb was bought by the Malaysian multinational KLK (Kuala Lumpur Kepong Berhad). KLK's core business is the production of palm oil and derivatives, such as fatty acids and fatty alcohols - raw materials used by Kolb in its products. As Kolb has a broad production set-up from small reactors up to big industrial reactors, we are able to produce for you the batch size which you need for your application. In our portfolio, you can find the following products for pharmaceutical application: Sorbitanesters Polysorbates Poloxamers, Macrogols (PEG’s) and Macrogol Esters. There is more. Contact us to find out.