Rubber powder often crushed in three main ways, each of which is a special way to smash, then today, we went along with rubber powder manufacturers together to understand each different from the place of it. 1, at room temperature pulverization method: is the use of waste rubber shear for cutting, crushing, coarse crushing and fine crushing generally divided into two steps. Normal crush to room temperature and tire rolling method continuous grinding method most commonly used. Normal temperature pulverizing method is the main method of production of the world's powder, with better technology economy. 2, cryogenic grinding method: Depending freezing medium used can be divided into liquid nitrogen cryogenic grinding method and grinding method of air expansion refrigeration. It is the use of low temperature effect, which is the glass transition temperature of the rubber becomes brittle, then crushed by mechanical force. The liquid nitrogen method of liquid nitrogen consumption, high cost; air expansion refrigeration pulverization method, cooling medium used is air, compared with the liquid nitrogen method of energy-saving, water-saving, high efficiency and low cost. In industrialized countries, subsidies for waste rubber processing, so you can use liquid nitrogen cooling air expansion method and grinding method. The developing countries and countries unsubsidized production of powder should be used at room temperature in order to adapt to the market and achieved good economic benefits. 3, wet or solution: Choose a suitable liquid medium to make rubber brittle, then milled in a colloid mill. Its watershed suspension liquid medium crushing and solvent swelling crushed two kinds. Aqueous suspension of pulverized powder after grinding the surface treatment of the water by drying; the solvent is pulverized powder by pulverizing swollen organic solvent, followed by removal of the solvent, and dried to obtain powder. Wet or solution produced fine powder particle size, good application performance, but its production requirements, need to use a lot of liquid media. 

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