After making the superfine Heavy tar calcium carbonate into the grain, its added value may enhance greatly and can play an important part in the plastic product.
After making the superfine Heavy tar calcium carbonate into the grain, its added value may enhance greatly and can play an important part in the plastic product.
如将超细重质碳酸钙造粒后，其附加值可大大提高，并且在塑料制品中能起到功能性的作用。