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Leather Tanning Agents The Quebracho Colorado extracts and its derivates are worldwide known since 1900's as natural products that allow tanners to produce a wide variety of tanned leather with a natural feel and a beautiful look. Unitán, with its two factories ISO 9001-2000 certified, has the world's bestselling vegetable extract product line. Our vegetable extracts are environmentally- friendly and give our customers the best choice for their leather production in a natural way. 
UNIQUE TR
Is a natural tanning metal free product, specially formulated for the Tanning or Retanning process for all of kind of leather with vegetal or semi vegetal characteristics for upholstery, shoe upper, leather goods, garment. Can obtain a soft, flexible, full leather with a very light colour and good light fastness. Inclusive can dying with a pastel colours. Can be use over vegetal, wet-blue or wet white tanning, like a unique retanning agent or combine with another resins. The offer of UNIQUE TR can change according of the article from 5% to 25% It is a fine powder with a light beige colour, 91% of solid and pH 4.5 +/- 0.3. UNIQUE XE IIt is a organic and inorganic filler for sole vegetal leather. Is a white powder with a characteristic smell, have a pH (1:10, 20ºC) range of 7.5 a 8.8, and complete soluble in water. Is a balance compound, specially formulated for fullness of vegetal italian sole leather. Generally it is used during the blashing process before fatliquor. Increase the weight of the leather and reduce the oxidation effect during the drying process. Is recommend to use in sole leather 2 – 4% from seabed weight according of the final article required. UNISYN EKO Formol free, fenol free and acid acrylic free product. It is a withe yellowish and fine powder and anionic, with a Ph range of 4.0-5.5 and concentration of 87-89 %. UNISYN EKO is a ecological product with a high molecular weight. Can be use in all of kind of leather, it´s combine with the leather fiber and obtain a even and selective fullness effect. It is recommended to use in the retanning of wet blue leather (3% to 6%), inclused to obtain white leather with a high xenotest value and in waterproof leather. Is suitable with another retanning agent (acrylic and aminoplastic resins). Is recommend diluted in hot water 1:10. Storage:Stable in normal conditions of storage (20º. C) protected of sunshine, light, humidity and air. UNICLAR Blend of blashing and secuestrant agents. The UNICLAR is used in the blashing process of all king of vegetal and chrome leather. In vegetal leather, it is used for remove the spot of oxidation (iron) and obtain light colour. In chrome leather, it is used for reduce the tanning excess in surface, also the iron spot from shaved process. Analytical values: Colour: white Solid: 70%- Ph: 1.5+/-0.3 Solubility: total |