A process for manufacturing a part, comprising: providing a polymeric composition wherein the polymeric composition includes: i) a thermoplastic polyolefin that includes polypropylene, wherein the thermoplastic polyolefin includes a highly crystalline portion having a crystallinity greater than 60% as measured according to ASTM D3417, wherein the highly crystalline portion is at least 70% by weight of the thermoplastic polyolefin; and ii) from 10% to 25% by weight polyolefin elastomer; shaping the polymeric composition into a part; wherein the part has a surface formed of the polymeric composition and the surface exhibits a scratch resistance of at least about 7 newtons, as measured by FLTM BN108-13; wherein the thermoplastic polyolefin includes a lower crystallinity grade of polypropylene; the highly crystalline portion consists of one or more polypropylene homopolymers, the low crystallinity grade is a high impact polypropylene copolymer, the low crystallinity grade is present at a concentration of at least 2.0 wt.% and less than 16 wt.%, based on the total weight of the polymeric composition, the high impact polypropylene copolymer has an ethylene concentration from 6 wt.% to 18 wt.%, a melt flow rate from 0.6 to 1.8, and a density from 0.445 to 1.335, the highly crystalline portion has a melt flow rate from 4 to 29 g/10 min measured at 230°C / 2.16kg; the polyolefin elastomer has a melt flow rate measured at 190 °C / 2.16kg from 0.5 to 25 g/10 minutes and is formed of one or more linear or substantially linear ethylene copolymers, wherein the linear or substantially linear ethylene copolymers are copolymers of ethylene and one or more α-olefin comonomers; the polymeric composition includes at least 9 % filler based on the total weight of the polymeric composition, wherein the filler is without any calcined filler or contains less than 5% by weight calcined filler; and the polymeric composition optionally includes one or more additives selected from the group consisting of surfactants, flexibilizers, strength agents, ignition resistant additives, stabilizers, colorants, antioxidants, antistats, slip aids, flow enhancers and nucleating agents; and the polymer composition is without any graft polymers, and the polymer composition is free of EPDM rubber. providing a polymeric composition wherein the polymeric composition includes: i) a thermoplastic polyolefin that includes polypropylene, wherein the thermoplastic polyolefin includes a highly crystalline portion having a crystallinity greater than 60% as measured according to ASTM D3417, wherein the highly crystalline portion is at least 70% by weight of the thermoplastic polyolefin; and ii) from 10% to 25% by weight polyolefin elastomer; i) a thermoplastic polyolefin that includes polypropylene, wherein the thermoplastic polyolefin includes a highly crystalline portion having a crystallinity greater than 60% as measured according to ASTM D3417, wherein the highly crystalline portion is at least 70% by weight of the thermoplastic polyolefin; and ii) from 10% to 25% by weight polyolefin elastomer; shaping the polymeric composition into a part; wherein the part has a surface formed of the polymeric composition and the surface exhibits a scratch resistance of at least about 7 newtons, as measured by FLTM BN108-13; wherein the thermoplastic polyolefin includes a lower crystallinity grade of polypropylene; the highly crystalline portion consists of one or more polypropylene homopolymers, the low crystallinity grade is a high impact polypropylene copolymer, the low crystallinity grade is present at a concentration of at least 2.0 wt.% and less than 16 wt.%, based on the total weight of the polymeric composition, the high impact polypropylene copolymer has an ethylene concentration from 6 wt.% to 18 wt.%, a melt flow rate from 0.6 to 1.8, and a density from 0.445 to 1.335, the highly crystalline portion has a melt flow rate from 4 to 29 g/10 min measured at 230°C / 2.16kg; the polyolefin elastomer has a melt flow rate measured at 190 °C / 2.16kg from 0.5 to 25 g/10 minutes and is formed of one or more linear or substantially linear ethylene copolymers, wherein the linear or substantially linear ethylene copolymers are copolymers of ethylene and one or more α-olefin comonomers; the polymeric composition includes at least 9 % filler based on the total weight of the polymeric composition, wherein the filler is without any calcined filler or contains less than 5% by weight calcined filler; and the polymeric composition optionally includes one or more additives selected from the group consisting of surfactants, flexibilizers, strength agents, ignition resistant additives, stabilizers, colorants, antioxidants, antistats, slip aids, flow enhancers and nucleating agents; and the polymer composition is without any graft polymers, and the polymer composition is free of EPDM rubber.