11/22/2023 0 Comments Material energy polytool![]() ![]() The annealing process at AIP greatly reduces the chances of these stresses occurring from the heat generated during machining PP and other polymers. This feature makes it a suitable option for lightweight\weight saving applications.ĭue to its low annealing temperature, PP, like any polymer under heat and pressure, has a tendency to deform during machining. Melting Point of Polypropylene – The melting point of polypropylene occurs at a range.ĭensity of Polypropylene – PP is one of the lightest polymers among all commodity plastics. Whatever your application, our machinists can help you in material selection, sizing and manufacturing techniques from concept to completion. Interesting to note is that both the PROPYLUX and TECAPRO heat stabilized PP grades are available in both standard and custom colors for medical sorting and sizing organization. At AIP, we machine POLYSTONE P, PROPYLUX HS and HS2, PROTEUS LSG HS PP from MCAM, TECAPRO MT and TECAFINE PP from Ensinger. As noted above, it is available in heat-stabilized homopolymer and copolymer grades. It also has great dimensional stability and is fairly easy to machine. Polypropylene is characterized by excellent chemical resistance in corrosive environments, resistance to cleaning agents and solvents and by a high heat deflection temperature. Here are some of the key properties of polypropylene: It also assists in evaluating if the end use requirement would be fulfilled or not. This helps in selecting the right thermoplastic for an application. Keeping information about the properties of a thermoplastic beforehand is always beneficial. Not preferable for food contact applications.Better stress crack resistance and low temperature toughness.Bit softer but has better impact strength tougher and more durable than homopolymer.Suitable for corrosion resistant structures.Good chemical resistance and weldability.High strength to weight ratio and stiffer & stronger than copolymer.For the purposes of this blog, we will briefly review the differences between PP homopolymer and PP copolymer. Although they share many properties, there are some differences that help guide machinists and engineers in choosing the right material for their PP application. The two main types of polypropylene available on the market are homopolymers and copolymers. Homopolymer vs Copolymer – What’s the Difference? In this insightful technical brief, we will discuss what goes into machining polypropylene and how it differs from other manufacturing options such as metal machining, injection molding, and 3D printing. Want to learn more about the polymers we precision machine for medical applications?ĪIP has over 35 years of experience machining complex components from thermoplastics like polypropylene. Other applications include medical vials, diagnostic devices, petri dishes, intravenous bottles, specimen bottles and surgical trays. Disposable syringes, instrument or implant caddies and fluid delivery systems are the most common medical application of polypropylene. Furthermore, medical grade PP exhibits good resistance to steam sterilization and moisture resistance. Polypropylene plays a significant role in medical applications due to its high chemical resistance, lightweight, radiolucency and repeated autoclavability. ![]() Since it was first polymerized in 1954 by Karl Rehn and Giulio Natta, polypropylene (PP) has become one of the leading polymer choices for a wide array of applications from automotive to commercial to medical. An Informational Brief on Polymer Machining ![]()
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