Acrylic (PMMA)

Acrylic Used in Plastic Injection MoldingPlastic Injection Molding Acrylic

Poly(methyl methacrylate), also known as acrylic, is a clear thermoplastic homopolymer often used as a more resistant alternative to glass. Acrylic is the most common type of clear, moldable plastic available to the general public, and it can be used from anything to windows and picture frames to fake nails and paint. 

Some of the benefits of using acrylic plastic include:

  • Transparent properties
  • Weather resistance
  • Chemical resistance
  • Surface Hardness
  • Dimensional Stability
  • Non-toxic composition

The chemical properties of acrylic allow it to be completely transparent while remaining hard and highly resistant to scratches and impact. Acrylic can be easily molded into different shapes and sizes, meaning it’s a more economic substitute for other types of hard plastic. The professional molding experts at Retlaw Industries can use acrylic material for your specific molded plastic part.

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Acrylic Plastic Specifications (At Room Temperature)

Chemical Formula (C5O2H8)n
Melting Point (°C) ~130°C
Tensile Strength ~9400 psi
Impact Strength ~0.7 ft-lb/in notched izod
Hardness Level (Rockwell) R31 – R105
Flexural Modulus ~13000 psi


Challenges of Working with PMMA Acrylic Plastic

As with any plastic material, there are some common issues that could potentially arise in the PMMA thermoplastic molding process. Some of the problems that could occur include:

  • Materials produced with PMMA Acrylic have a lower resistance to impact compared to metal injection molded parts.
  • Acrylic products tend to have low heat resistance (About 175°F).
  • Acrylic products have lower mechanical strengths which could limit their loading capacities.
  • Some acrylic products have poor chemical resistance, which makes them prone to react badly.

Acrylic in Everyday LifeAcrylic for Plastic Injection Molding

Many plastic products we use everyday are manufactured with acrylic resin. Some of these products include:

  • Plexiglas windows
  • Beauty products
  • Paint
  • Fashion accessories
  • Eyeglass lenses
  • And much more

Acrylic is one of the most affordable plastics available to the general public, and its impact-resistant structure make it one of the most useful plastics for a wide variety of applications which need clear, impact-resistant material. If you want your specific molded plastic part to be manufactured with acrylic resin, the experts at Retlaw Industries are sure to help you out.

Acrylic Products Manufactured by the Professionals at Retlaw

When you need professionally-manufactured plastic idler pulleys, sprockets, rebar chairs or custom-made parts made for your business, the experts at Retlaw Industries are here to help. Our certified plastic part manufacturers build all your OEM parts to your exact specifications, and whether you want acrylic or any other type of composite plastic for your custom part, Retlaw is able to do it for you.

Contact the acrylic plastic part manufacturers at Retlaw Industries today to get a quote on your part.
For over 40 years, Retlaw has produced quality injection molding tools which has led us into thermoplastic injection molding for a wide variety of industries. With over 19 injection molding machines, decades of collective experience, and over 50,000 square feet under roof and room to expand, we are always ready for your new projects.
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