ENGELHARD Grade F-1. An acid treated clay absorbent for general purpose decolourffing of animal, vegetable and mineral oils and waxes.

ENGELHARD Grade F-20. An actvated clay adsorbent designed for general purpose use in decolourizing and otherwise purifying oils from petroleum sources. This product is characterized by high adsorbent efficiency and low oil retention.

ENGELHARD Grade F-105. A high performance acid activated clay engineered to be cost effective for easy-to-bleach feedstocks and hard-to-bleach fatty oils. lt is extremely effective for the removal of soluble impurities and trace metals which effect appearance, flavour and stability of fatty oils.

ENGELHARD Grade F-110. A high performance activated adsorbent engineered for improved filtration performance and recommended for use on moderate-to-easy-to-bleach feedstocks.