A soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals.
一种银白色软质单价元素，碱金属属，已知最轻的金属，存在于许多矿物中。
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In white and color rubber products, add white in the sunlight, insolation, no crack resistance, don't angry, stretching rate and acid and alkali resistant.
在白色和彩色橡胶制品中加入钛白粉，在日光照射下，耐日晒，不开裂、不变色，伸展率大及耐酸碱。
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Properties White powders, inodorous, atoxic, non-pollution, non-transference, light resistant, weak acid or alkali resistant, stable storage, insoluble in water and other organic solvents.