1.EVa toughened PP Formula composition (parts by mass) PP(2401) 70 EVa (Va15%) 30 The relevant performance notched impact strength is 483 J/m, which is 12 times higher than that of pure PP; the tensile elastic modulus is 640 MPa, which is 1.8 times higher than PP/EPDM (70/30). 2.PP/EVa/CaCO3 toughening system Formula composition (parts by mass) PP 100 CaCO3 30 EVa (Va15%) 20 Paraffin 2 HDPE 10 Antioxidant 1 The relevant performance notched impact strength was 9.8 kJ/m2; the flexural strength was 38.4 MPa; the tensile strength was 24.2 MPa; and the elongation was 413%. 3.BaSO4/EPDM rigid tough Formula composition PP 35%～65% BaSO4 whiskers 20%～40% EPDM 15% to 25% The relevant properties are tensile strength 24 MPa; bending strength 40 MPa; notched impact strength 200 J/m. 4.PP/CaCO3/POE toughening material Formula composition (parts by mass) PP(T30S) 75 CaCO3 10 POE(8200) 15 Anti-chlorine agent 1010 Correlation performance notched impact strength 60kJ/m2; tensile strength 20MPa; bending strength 34MPa; flexural modulus 1400MPa. 5. Toughened PP (1) Formula composition PP (4016) 65% to 75% POE 5% to 10% PP (P340) 5% to 10% EVa 5% to 10% LDPE 5% to 10% 6. Toughened PP (2) Formula composition PP 65%~75% POE 5%~10% PP 5% EVa 5% to 10% LDPE 5% to 10% 7. Toughened PP (3) Formula composition PP(T30S) 85% POE 5% PP(P340) 10% 8. Toughened PP (4) Formula composition PP 70%~75% POE 5% LDPE 10% to 15% 9. Toughened PP (5) Formula composition PP 35% to 45% POE 10% to 20% 10. Toughened PP (6) Formula composition PP 35%～45% HDPE 35%～45% Divinylbenzene 0.3% to 0.6% DCP 0.02% to 0.05% POE 10% to 20% 11. Toughening and filling PP (1) Formula composition PP 60%～65% J(PP+POE) 5% Talc 30% to 35% 12. Toughening and filling PP(2) Formula composition PP 50%～55% POE 10%～15% LLDPE 20%~30% talc powder 5%~10% 13. Toughening and filling PP(3) Formula composition PP(T30S) 15%～20% talcum powder 15%～20% PP(340) 40%～50% Antioxidant 0.3% POE 15% to 18% 14. Toughening and filling PP (4) Formula composition PP(30S) 30% SBS 10%~15% PP(304) 10% talcum powder 30%～40% EVa 10% to 15% The above formula is for reference only. 15. Toughening and filling PP(5) Formula composition (mass parts) PP(T304S) 20%~45% LDPE 5%~10% PP(340) 10%~20% JPP 10% POE 10%～15% talcum powder 10%～15% EVa 10% 16. Toughened, filled PP (6) Formula composition (mass parts) PP (T30S) 50% to 55% EVa 5% to 10% PP(340) 10%~15% JPP 5%~10% POE 10% talcum powder 10% 17. Toughened, filled PP (7) Formula composition (mass parts) PP(T30S) 50%～55% LDPE 10%～15% PP(340) 10%~15% talcum powder (or heavy Ca) POE 10% 18. Toughening and filling PP(8) Formula composition (mass parts) PP (T30S) 25% to 30% mica 10% PP(340) 20%~25% white oil 2.5% POE 10% CaS4 0.5% JPP 25% to 30% 19. Toughening, filling PP (9) Formula composition (mass parts) Ultra-Thin Ball Valve,Industrial Ultra-Thin Ball Valve,Thread Globe Valves,Threaded Swing Check Valve ZHITONG PIPE VALVE TECHNOLOGY CO.,LTD , https://www.ztpipevalve.com