Ultra-low ash polypropylene has a narrow application range and there is room for import substitution in the Chinese market

ultra-low ash polypropylene is one of the high-end polyolefin products, with an ash content within 0.005. ash is an important performance indicator of polypropylene. it mainly comes from raw material impurities and impurities remaining in the main catalyst, cocatalyst, electron donor and other materials used in the polymerization process. high-end polyolefins have high technical content…