Sodium hydroxide, potassium hydroxide, ammonia...  Zundel & Kohler offers you a wide range of quality bases, at the best prices, for your cleaning projects, process and waste water treatment, surface treatment and manufacturing processes.

Our range of bases can be used as reagents or catalysts in many chemical reactions, and some are excellent conductors of electricity!

In an industrial context, bases are used in many applications such as soap, paper, bleaching powder and synthetic rayon fiber manufacture, and many more.

To fit with your specific needs, our bases are available in solid and liquid forms, as well as in various pHs, quantities, reagent qualities and purities.


Safety & Environment

Safety is the top priority of all our operations. Products are delivered to your premises fully safety-proofed, with upmost environment care.

Product Qualification

Our skills enable us to help you in finding the right product fit to your requirements, and qualify them for you.

On-site use tests and trials on request!



ZK staff is fully available to understand your current requirements and expectations, as well as your future needs.


Thanks to optimized pick-up and delivery times, ZK is able to meet your needs in the shortest possible time.