Acid Retanning Leather Conditioning Agent consists of polysulfonic acids and dispersants used to prepare the retanning or fatliquoring of shoe upper and hand bag leather without a neutralizing step. Acid Retanning Leather Conditioning Agent is manufactured by TFL Quinn India Pvt. Ltd., an ISO 9001:2008 recognised company. TFL Quinn India Pvt. Ltd. Also manufactures a wide range of specialty chemicals such as tanning agents and dyestuffs for the leather industry. The Acid Retanning Leather Conditioning Agent, available under the brand name "Sellatan" is applicable to wet blue as well as to wet-white leather.