Amantech Chemicals Pvt. Ltd. Offers Naphthenates. Amantech Chemicals Pvt. Ltd. Has been awarded ISO 9001:2000 certification. Naphthenates is available in different types, such as Cobalt Naphthenate, Lead Naphthenate, Zinc Naphthenate, Manganese Naphthenate, Calcium Naphthenate and more.