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  • How to Make an Injection Mold

    August 10, 2021

    What Is an Injection Mold? An injection mold is a tool that when all the parts are assembled, fits into an injection molding machine to manufacture identical plastic parts. Injection molds start with a drawing by an engineer of the part required…
  • What Kind of Plastic Is This?

    August 2, 2021

    What Plastic Is This Part Made Of? There are several ways to determine what plastic the object you have is made of: *Plastic Resin Identification Codes*Burn Test*Floats or sinks in water Plastic Resin Identification Codes The plastics identification codes were developed in…
  • Uv Degradation of Plastics and Uv Resistant Additives

    June 2, 2021

    Sunlight May Degrade Plastics Many plastics will degrade in sunlight without adding light blockers, stabilizers, or UV absorbers. Materials may discolor, crack or completely disintegrate. While the UV degradation of a polymer in sunlight is usually only .05 deep in the material’s…
  • Nylon Fasteners: Screws, Hex Nuts, Flat Washers, and Nylon Custom Parts

    March 16, 2021

    Nylon 6/6 is a polyamide plastic made up of two monomers. Each monomer contains 6 carbon atoms of hexamethylenediamine and adipic acid. We have written about the reasons not to use nylon in our blog some time ago. Six Reasons Not…
  • The Rise of Carbon Fiber-Reinforced Plastics

    March 11, 2021

    Carbon Fibers in Plastic Materials The use of carbon fibers in plastic materials has a long history.  As early as 1879, Thomas Edison was experimenting with carbon fibers made from cotton threads and bamboo slivers.  In fact, the first incandescent…