POLYPROPYLENE RESIN COMPONENT

摘要

Anti-radioactive polypropylene resin composition having low discoloration rate, low degradation and good physical properties is disclosed. Resin composition is comprised with 95.0 to 99.6 wt% of polypropylene, 0.01 to 1.0 wt% of phosphorus system anti-oxidant, 0.01 to 2.0 wt% of phenol system anti-oxidant and 0.01 to 2.0 wt% of amine system heat stabilizer. Polypropylene of this invention is isotactic polypropylene having 92 to 98% of isotactic index.