Rubber chemical TETD accelerator light-yellow or grey-white crystals.Soluble in ... on 150µm, % max.-0.50Application A fast curing accelerator and vulcanization agent for natural rubber, styrene-butadiene rubber, acrylonitrile ... use in articles in contact with food as specified under FDA 21 CFR177.2600, 175.105 and under BgVV XXI, ... . Avoid exposure to direct sunlight. rubber chemical tetd accelerator