Research Article

Investigation of the Large-Scale Pallet by Recycled Polypropylene and the Sequential Valve Gate System during the Injection Molding

Table 1

Material properties of recycled polypropylene.

Solid density (g/cm3)1.026
Ultimate strength (MPa)45.2
Thermal conductivity (W/(m°C))0.228
Material characteristicsCrystalline
Eject temperature (°C)91
Melt temperature (°C)240–260
Recommended mold temperature (°C)35–55