Procurement Of Calcium Stearate (CAS: 1592-23-0) For Polypropylene (PPU) Production Nghi Son Refinery & Petrochemical Limited Liability Company (NSRP) is planning for procurement of CALCIUM STEARATE (CAS: 1592-23-0) FOR POLYPROPYLENE (PPU) PRODUCTION in order to select suitable supplier for provision of products for NSRP. The tentative date of completing this procurement will be estimated in May, 2020.