Plastics have been used now for a long time to replace other materials like bronze, stainless steel, aluminum and ceramics. With the advent of new materials and processes this trend is expanding. Some of the reasons for switching to plastics include:

Choice of Process: jobst incorporated works with thermo-set and thermoplastic resins. We represent Injection Molders, Forged Plastic Molders, SMC and BMC Molders, Extruders, and Fiberglass Lay-up and Resin Injection Molders. Depending on your part size, quantity and performance requirements, we can provide you with a material/process combination that produces the quality and value parts you need.

Cost: Injection Molded and Extruded Plastics are produced at high speed, near net shape, ready to ship. Labor content is very low and material cost is similar the world over, US made Injection Molded and Extruded parts compete well with all other countries. All of our other processes compete well but for different reasons. Part size capabilities and performance capabilities put us in a position to supply economical parts to you.

Selection: Plastic resins come in a wide variety and they can be modified, colored, reinforced and filled. At last count there were over 70,000 grades available. We can even arrange to develop a unique compound to meet the requirements of your application. Part life, appearance and performance can be compounded into a material to meet your needs.

We need your input to help you arrive at your optimum product. Remember that combining previously assembled parts into one part is a big strength of plastic and can be a big part of your overall savings. Consider your needs in these areas:

Select the most cost-effective shape for your part.

Select physical requirements, Tensile, Impact Resistance and Stiffness.

Frictional coefficient: Will you have wear or bearing requirements?

What thermal requirements will your product need?

What chemicals exposures in the application and cleaning do you need?

Other characteristics include Dimensional Stability, Color and Finish, and even Regulatory/Agency Compliance.

With all of the plastic materials available today, selecting the best one can be intimidating. Let us help you come up with the best selection for your project. We can take you through a Design for Manufacturability session that will assure you of a material and process selection yielding a competitive product for your company.

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By: Walter Jobst