Plastech Corporation

Address

920 S Frandsen Ave,
Rush City, MN 55069

Office hours

Monday – Friday: 8:00AM – 4:30PM
Saturday & Sunday: Closed

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Injection Molding

Proudly Located in Rush City, MN
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Injection Molding in Rush City, MN

Plastech provides a wide range of injection molding services to meet your specific needs. Our experienced team and state-of-the-art equipment gives us the ability to produce high-quality, precision parts for a variety of industries. At Plastech, we are committed to providing our customers with the highest level of quality and service in the injection molding industry. We operate on a 24/7 molding schedule that allows us to maximize capacity, complete high volume runs, and make a lot happen for you over the weekend.

Contact us today to learn more about our capabilities and how we can support your next project.

Plastech does much more than molding! We are here to be your partner from conceptual design all the way to mass production. To learn more, check out the additional services we offer:  

Our Injection Molding Capabilities

Click into our injection molding services below to read more about our specific capabilities.

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Class A Molding

Class A molding is a high-precision injection molding process that produces parts with a high-quality finish, smooth surface, and tight tolerances. This process is ideal for producing parts that require a premium aesthetic appearance, such as powersports and automotive exterior parts, consumer electronics, and medical devices. Class A molding requires advanced tooling, precise temperature control, and meticulous attention to detail to ensure that the finished product meets the desired specifications. At Plastech, we specialize in Class A molding and have the expertise and equipment necessary to deliver high-quality, visually appealing parts that meet our customers' exacting standards.

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Tight Tolerance Molding

Tight tolerance molding is a type of injection molding process that is used to produce parts with exceptionally precise dimensions and tight tolerances. This process involves using advanced tooling and other specialized techniques to ensure that the final product meets the required specifications. Tight tolerance molding is useful in industries such as aerospace, automotive, medical, and electronics, where even the slightest deviation from the required tolerances can result in significant product defects, safety issues, or performance problems.

Tight tolerance molding is essential for producing high-precision parts, such as gears, bearings, sensors, and medical devices, which must function accurately and consistently under a range of conditions. We have the expertise and equipment necessary to perform tight tolerance molding to the highest standards, delivering parts that meet the most exacting specifications.

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Insert Molding

Insert molding is an injection molding process that involves inserting a pre-formed component, typically metal or another plastic part, into a mold cavity and then injecting molten plastic around it to form an integrated part. The result is a part with a combination of materials and properties that cannot be achieved with traditional molding processes.

Insert molding is useful for creating parts with complex geometries or assemblies that require multiple components to be combined into a single part. It is commonly used in industries such as powersports, automotive, aerospace, medical, and electronics, where the combination of different materials and components can improve performance, reduce weight, or simplify assembly. Examples of insert-molded parts include electronic connectors, automotive switches, and medical devices.

At Plastech Corporation, we have extensive experience in insert molding and can provide our customers with a comprehensive range of services, from component sourcing and design to final part production. Our state-of-the-art facilities and experienced team enable us to deliver high-quality, precise parts with consistent accuracy and reliability.

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Gas-Assist Molding

Gas-assist plastic molding is a specialized injection molding process that involves injecting molten plastic into a mold cavity and then injecting pressurized gas into the center of the part to hollow out and pack the plastic against the mold walls. This results in a part with a hollow interior and thicker walls around the edges, which provides improved strength, rigidity, and dimensional stability while reducing weight, warpage, and sink marks.

Gas-assist plastic molding is useful for producing large, complex parts with thick sections or long flow lengths that are difficult to mold using conventional techniques. It is commonly used in industries such as automotive, appliance, furniture, and sporting goods, where lightweight, sturdy parts with complex shapes are required. Examples of parts produced using gas-assist plastic molding include automotive instrument panels, appliance handles, and furniture legs.

At Plastech Corporation, we specialize in gas-assist plastic molding and can provide our customers with a range of services, from part design and mold fabrication to final production. Our experienced team and advanced equipment enable us to deliver high-quality, precise parts with consistent accuracy and reliability, helping our customers improve their product performance and reduce their production costs.

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Structural Foam Molding

Structural foam molding is a specialized injection molding process that involves injecting a foaming agent into the molten plastic, which creates a cellular structure as the plastic cools and solidifies. This results in a part with a thicker, stiffer, and more rigid structure than traditional injection molded parts. Structural foam molding is useful for producing large parts with high strength-to-weight ratios, excellent dimensional stability, and reduced warpage, shrinkage, and sink marks.

Structural foam molding is commonly used in industries such as automotive, construction, and industrial, where large, complex parts with high strength and dimensional stability are required. Examples of parts produced using structural foam molding include automotive body panels, pallets, and shipping containers.

At Plastech Corporation, we have extensive experience partnering with structural foam molding manufacturers and can help our customers obtain a range of foam molding services, from part design and mold fabrication to final production.

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Plastic + Metal Overmolding

Plastic overmolding involves injecting molten plastic material onto a pre-existing metal part to create a composite part with enhanced features, such as improved grip or increased durability. The plastic material is molded onto the metal part by a second injection molding process, using a different mold than the one used for the initial metal part.

Metal overmolding, on the other hand, involves injecting molten metal material onto a pre-existing plastic part. This process can be used to create metal components such as inserts, connectors, or conductors, which are then integrated with plastic parts for improved functionality.

Both plastic and metal overmolding have various benefits, including increased product durability, improved grip and texture, and reduced production costs. These processes are commonly used in the automotive, medical, and consumer goods industries.

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Clear Part Molding

Clear part molding is a type of plastic injection molding process used to create transparent or translucent parts. It involves the injection of molten plastic material into a mold that has a polished cavity surface to create a part with a smooth and clear finish. The clarity of the part depends on the type of plastic material used, the mold design, and the molding conditions.

Clear part molding is commonly used in the manufacturing of products such as lenses, light diffusers, display screens, medical devices, packaging, and consumer goods, where the transparency or translucency of the part is required. The clear parts can be made from a variety of plastic materials, including acrylics, polycarbonates, and styrenics, among others.

Clear part molding is a specialized process that requires precision equipment and expertise to achieve the desired level of clarity and optical performance. The process involves careful control of the molding temperature, pressure, and speed to prevent the formation of defects such as bubbles, voids, or sink marks that can affect the optical properties of the part. The mold design and surface finish also play a crucial role in achieving a clear and smooth finish on the final part.

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In-Mold Labeling

In-mold labeling (IML) is a process where a pre-printed label or film is placed in the mold cavity before the plastic material is injected. The label is then fused with the plastic during the molding process, resulting in a seamless integration of the label and the plastic product.

This process is commonly used for the production of plastic containers, such as food packaging and bottles, as well as other plastic products that require labeling or decoration. In-mold labeling provides several benefits over traditional labeling methods, including improved durability, increased efficiency, and the ability to produce more complex designs.

The IML process can also help reduce waste by eliminating the need for separate labeling and molding processes, and by allowing for the use of thinner plastic materials, which can reduce material costs and environmental impact.

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Metal to Plastic Conversion

Metal to plastic conversion involves replacing metal parts or components with plastic alternatives, which is becoming increasingly popular due to the numerous advantages of plastics over metals. Plastics are lightweight, durable, and cost-effective, making them suitable for a variety of applications in various industries.

This conversion process has applications in the automotive, electronics, aerospace, medical, and consumer goods industries. Metal to plastic conversion helps industries reduce costs, increase efficiency, and improve product performance. For example, plastic parts can be produced more quickly and at a lower cost than metal parts, leading to cost savings. Additionally, plastic parts can be designed with more complex shapes and features, resulting in improved functionality and performance.

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In-Process Welding + Assembly

In-process welding and assembly is a manufacturing process used in plastics production where two or more plastic parts are welded or assembled together during the molding process. This process allows for the creation of complex plastic products with multiple components or parts. During the injection molding process, one or more plastic parts are assembled or welded together while still in the mold, either through heat or ultrasonic vibration. This helps reduce costs by minimizing the cycle time of the finished part. The result is a seamless integration of the various plastic parts, creating a single, unified product.

This process eliminates the need for separate assembly processes and reduces the number of parts required, resulting in cost savings. Additionally, in-process welding and assembly can improve product quality by creating stronger, more durable products with fewer defects.

What Injection Molding services does Plastech provide?

Plastech Corporation’s Midwest Roots Bring a Strategic Advantage

Plastech Corporation takes pride in serving the Midwest region as a trusted provider of injection molding solutions. With a strategic location and close proximity to major manufacturing sites in the upper Midwest, we offer a unique advantage to our customers in the midwest and central United States.

Most of our customers strategically source their products from nearby suppliers to reduce shipping costs and improve operational efficiency. Our close proximity to these industrial original equipment manufacturers (OEMs) within the upper Midwest has been a significant factor in our success. We have been awarded projects based on our ability to quickly respond to their needs and deliver high-quality products.

While we serve customers across the United States and even globally, our Midwest presence gives us a competitive edge when dealing with local businesses. Being nearby allows us to participate in competitive quoting opportunities more effectively. Our clients appreciate the convenience of having a trusted injection molding partner nearby, providing them with quicker response times, efficient communication, and streamlined collaboration.

At Plastech Corporation, we understand the value of being geographically close to our customers. It allows us to build strong relationships, foster effective partnerships, and deliver exceptional service. Whether our clients are in the Midwest or beyond, we are committed to meeting their injection molding needs with quality, efficiency, and expertise. Contact Plastech Corporation today to experience the benefits of our Midwest presence and discover how we can serve as your reliable injection molding partner.

What People Are Saying

FAQs About Minnesota Injection Molding

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What is injection molding?
Injection molding is a manufacturing process that involves injecting molten material, typically plastic, into a mold cavity. The material cools and solidifies, taking the shape of the mold, and is then ejected as a finished part or product.
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What industries do you serve with your injection molding services?

Plastech Corporation serves a wide range of industries, including Outdoor Recreational, Appliance, Tier II Automotive, Agriculture, Industrial, and more. Our expertise in injection molding allows us to cater to the specific needs of each industry.

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What materials can be used in injection molding?

Injection molding can be used with a variety of materials, including various types of plastics, elastomers, thermosetting plastics, and even metals. The material selection depends on the specific requirements of the project.

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What are the benefits of injection molding?

Injection molding offers several benefits, such as high production efficiency, the ability to produce complex shapes, cost-effectiveness for large production runs, and consistent quality and repeatability.

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What are your capabilities in injection molding?

At Plastech Corporation, we have a wide range of capabilities in injection molding. We offer services such as design assistance, mold building, prototype development, production molding, assembly, and more. Our state-of-the-art equipment and experienced team enable us to handle projects of various sizes and complexities.

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How do you ensure the quality of injection-molded parts?

We have a rigorous quality control process in place to ensure the highest standards of quality for our injection-molded parts. This includes regular inspections, dimensional measurements, material testing, and adherence to industry standards and certifications.

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Can you assist with design and engineering for injection molding projects?

Yes, we have a team of experienced engineers who can assist with design and engineering aspects of injection molding projects. We offer design for manufacturability (DFM) services to optimize the design for efficient and cost-effective production.

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What is your production capacity for injection molding?

Our production capacity for injection molding varies depending on the project requirements. We have the flexibility to handle both small and large production runs, and our efficient processes allow us to deliver products in a timely manner.

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Do you offer customization options for injection-molded parts?

Yes, we understand that each project has unique requirements. We offer customization options such as color matching, texture selection, and material selection to ensure that the injection-molded parts meet the specific needs of our customers.

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How can I get started with an injection molding project?

Getting started with an injection molding project is easy. Simply reach out to our team at Plastech Corporation through our website or contact information. We will work closely with you to understand your project requirements, provide design assistance if needed, and guide you through the entire process from concept to production.

Plastech’s Wide-Ranging Molding Capabilities

At Plastech, we’re here to make your job easier. That’s why we offer a wide range of molding options, plus in-house value-added services to put the finishing touches on your project. We are proud to offer spin welding, sonic welding, hot plate welding, vibration welding, pad printing, hot stamping capabilities, plus kitting and assembly options. We also have a fully equipped tool shop to ensure your tooling investment is fully protected and well maintained.

Plastech Corporation is a custom injection molder – but we actually do more than just mold parts. We are a full service contract manufacturer that collaborates with our customers to create customized project management solutions. That can include everything from engineering support to assembly, kitting, warehousing and order fulfillment, or as we call it, end-to-end manufacturing solutions. There are a lot of choices when you select a business partner, but when you choose Plastech, you get:

  • Cradle-to-grave technical support
  • Rigorous quality-control standards
  • Surge capacity for quick response
  • Continuous improvement and cost-savings

Press Side Secondary Ops

Mitigating costs is a major focus of our manufacturing processes at Plastech. If there are assembly, packaging, and testing operations that can occur during the cycle of the molding machine, we will always strive to complete them in process. This removes the need for a second cycle time which inflates the cost of your parts. Since our molding floor runs on a 24/7 basis, we can significantly increase output by moving secondary operations to occur beside the press during the cycle of the molding machine. Optimizing cycle times through manufacturing process improvements lead to lower costs for both Plastech and our end customers. Press side secondary operations is a win-win!

 

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