Discover our sustainable solutions for the leather industry. Royal Smit & Zoon is committed to continue to develop new products and solutions throughout our product offering as each drop makes a difference.OptitanThe Optitan range of products which are highly concentrated, low salt, synthetic retanning agents, allowing a reduction of product usage, lower environmental impact and reduction of cost of effluent treatment:Optitan VD 727Optitan TD 636Optitan XD 828SafetanOur Safetan Range consists of products that exceed the latest standards concerning free monomers (such as formaldehyde, phenol) and all restricted substance chemicals:Safetan BB 003Safetan DD 001Satetan MM 002Safetan MW 005 Product PassportOur Product Passport is an easy to use tool, containing data on the performance of every wet-end chemical and its effect on both leather and the environment. read moreecoSimplicity in wet end leather manufacturing.ecoSimplicity is your helping hand to boost the efficiency of post-tanning operations and to enable an environmentally friendly leather production at the same time. Read moreDo you want to know more about this topic?Contact us