Molding Compounds

<jats:title>Abstract</jats:title> <jats:p>This article describes sheet molding compounds, bulk molding compounds, and injection molding compounds and provides a table with common thermoplastic and thermoset molding compounds. It also discusses knit lines and meld lines, which are types of discontinuities in injection-molded parts caused by the convergence or joining of separate flow fronts of molten plastic.</jats:p>