A proxy PP / K8303 / Yanshan Petrochemical

PP (polypropylene # pleated plastic | soft) / K8303 / Yanshan Petrochemical raw materials specification level description of the material block copolymer injection appliances, automotive parts Remarks impact, impact raw technical data Performance Project test conditions [state ] method of test data Data unit Basic properties of melt flow rate of 230 ℃ / 2.16kg ASTM D-1238 1.0-3.0 g / 10min Mechanical properties of tensile yield strength of 50mm / min ASTM D-638 ≥22.0 MPa Rockwell hardness of 23 ℃ ASTM D-785 75 R-Scale Izod impact strength -20 ℃ ASTM D-256 ≥40 J / M Izod impact strength 23 ℃ ASTM D-256 ≥480 J thermal deformation temperature / M thermal properties under a load? ASTM D-648 85 ℃ Other properties yellow index? ASTM D-1925-63T ≤4?% cleanliness?? 5 / kg