... soluble in water, and meanwhile will give off a lot of heat, and the water solution has a soapy feeling.The ... , and second is the industries of papermaking, aluminum melting, tungsten refining, rayon, staple rayon and soap manufacturing. What’s more, in the ... rubber regeneration, and in the manufacturing of sodium metal, in the electrolysis of water, na din the production of inorganic salt, and also in ...