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Title: Popular Plastic Materials for Injection Molding - PROTO MFG

  United States, 16th Aug 2024 - The wide variety of plastic materials available for injection molding can make selecting the right one challenging. From commonly used polymers to specialty plastics and polymer blends, there are hundreds of options, each with unique properties and processing needs. Additionally, various grades of the same plastic, including those with fillers like glass or carbon fibers, add to the complexity. Whether your project involves medical plastic injection molding, automotive components, or another application, PROTO MFG’s experts are equipped to guide you from design to production efficiently. The Top 8 Plastic Injection Molding Materials These are the most common plastic materials for injection molding:acrylic (PMMA)acrylonitrile butadiene styrene (ABS)nylon (polyamide, PA)polycarbonate (PC)polyethylene (PE)polyoxymethylene (POM)polypropylene (PP)polystyrene (PS) Acrylic (PMMA)Acrylic is a strong, transparent thermoplastic that is a lightweight, shatter-resistant alternative to glass. This injection molded material also has excellent optical clarity, allowing high light transmission. Resistant to ultraviolet (UV) light and weathering, acrylic is also known as PMMA or its full chemical name: polymethyl methacrylate. Properties Unlike some plastics, acrylics can withstand water attack and hold tight tolerances. PMMA does not absorb odors, but is not solvent resistant and easily stained by grease. While injection molded acrylics have high tensile strength, they are susceptible to stress cracking under heavy loads. Applications Applications for acrylic injection molding include windows, greenhouses, solar panels, bathroom enclosures, and other transparent parts for architectural, lighting, and out...

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