BASF bleaching earths, which are the products of first factory in the world that was established in scope of bleaching earth (old name HARSHAW FILTROL), are used in hundreds of oil factory all around the world, as well as in USA, which produces the most. BASF bleaching earth is created by increasing the activity of calcium-type benthonitic clays with the help of acid and its efficiency is very high even if low amounts are used. These bleaching earths which are produced with worldwide famous BASF brand in our country, are used to whiten the color in every kind of oils. There are three main varieties of these bleaching earths. Grade F 160 is a multi-purpose bleaching earth with high efficiency and it is generally used on cotton seed oils, sunflower oils and mineral oils which mainly have dominant yellow red colors.
Grade NEVERGREEN is especially used for oils which are hard to whiten, which have dominating green color such as soya oil, canola oil and olive oil. Grade F 20 is a bleaching earth that solves problems. It is matchless in the world thanks to its extraordinary efficiency. It is used to remove the most stubborn colors in any kind of oil. These bleaching earths have been used in whole world successfully for years.Tonsil Bleaching Earth Activated Clay Basf, F160 Nevergreen