PP (polypropylene # pleated plastic | soft) / K7726 / Yanshan Petrochemical raw materials specification level description of the material use of special washing machine washing machine parts Remarks barrel and high-impact raw technical data Performance Project test conditions [state] test data data unit Basic properties of melt flow rate of 230 ℃ / 2.16 kg 24-35 g / 10min Mechanical properties of Izod impact strength -20 ℃ ≥20 J / M Rockwell hardness ≥82 R scale tensile yield strength of 50mm / min ≥23.0 MPa cantilever Liang impact strength 23 ℃ ≥45 J / M Thermal heat distortion temperature 100 ℃ Other performance under load ≤20 months cleanliness / kg yellow index ≤4%