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Twin Sheet Thermoforming Companies and Services

IQS Directory implements a thorough list of twin sheet thermoforming companies and suppliers. Utilize our listing to examine and sort top twin sheet thermoforming companies with previews of ads and detailed descriptions of each product. Any twin sheet thermoforming company can design and provide twin sheet thermoforming services to meet your companies specific qualifications. An easy connection to reach twin sheet thermoforming companies through our fast request for quote form is provided on our website. The company information includes website links, company profile, locations, phone, product videos and product information. Customer reviews are available and product specific news articles. This source is right for you whether it's for a company of twin sheet thermoforming, automotive thermoforming, and medical thermoformers.

  • Greeneville, TN

    Valk’s policy is “to meet or exceed our customer’s requirements, working together as a team with honesty and integrity.” Valk’s success is due to their long standing focus on quality & customer service— that means you’re not going to find a better place to satisfy your vacuum formed plastic needs. As a registered ISO 9001:2008 company, Valk is committed to continually improving.

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  • Lake Bluff, IL

    Since 1960, Profile Plastics Inc. has been at the forefront of thermoforming technology. Utilizing the latest software and technology, our expert staff of engineers can design custom vacuum, pressure, and twin-sheet thermoformed solutions. Over the last 60 years, we have developed a process that allows us to deliver consistent, high volume, and precise products with superior quality. Our high quality products are manufactured with great attention to detail. ISO 9001:2008 certified.

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  • Sparks, NV

    Quality Plastics Inc. has been a leading manufacturer of vacuum forming since 1976. Whether you need a small batch of custom vacuum-formed parts or a large-scale production run, we have the capabilities and expertise to deliver. We are committed to providing our customers with exceptional vacuum-formed products and services that meet their needs and exceed their expectations. Contact us today to learn more about our vacuum-forming capabilities.

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  • Stirling, NJ

    Engineered Plastic Products custom forms & fabricates sheet thermoplastic materials, standard & specialized, for any number of industrial & commercial requirements. EPP has been widely recognized for outstanding manufacturing & service since 1958 for companies such as GE, NASA & AT&T. Custom fabricated parts can be as large as 72"x108" down to 2"x2" in any thickness up to 1 1/2". Post-forming includes all types of machining & assembly.

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  • Aurora, OH

    At Lerner Molded Plastics, we specialize in crafting high-quality vacuum-formed products tailored to meet the diverse needs of our clients. With years of expertise in the industry, we take pride in our ability to deliver innovative solutions that exceed expectations.

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  • Tigard, OR

    RapidMade is a leader in thermoforming and vacuum forming solutions, offering unmatched customer experience, quality, and speed. We cater to diverse needs with a broad material and equipment portfolio, ensuring cost-effective, engineered parts. Trust us for reliable, timely delivery of your small to medium batch plastic projects, meeting the highest industry standards. Choose RapidMade for efficiency, quality, and value in every project.

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  • Edwardsburg, MI

    At Duo Form, we are pioneers in the realm of vacuum-formed plastic products. With a collective passion for precision engineering and creative problem-solving, we've established ourselves as leaders in delivering high-quality solutions to a wide range of industries.

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  • Coleman, MI

    Robinson Industries offers thermoformed and injection molded reusable, heavy duty plastic pallets, packaging and more. We are one of the largest suppliers of reusable pallets to many industries because of our expertise based on 65 years in business, our completely in-house process and our high quality certifications including ISO 9001:2008 and ISO 14001:2004. Join the Robinson Family today!

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Twin Sheet Thermoforming Industry Information

Twin Sheet Thermoforming

Twin sheet thermoforming is the process of pressure forming or vacuum forming two plastic sheets with a separate mold on the top and on the bottom.

Quick links to Twin Sheet Thermoforming Information

Materials Used in Twin Sheet Thermoforming

Twin sheet thermoforming materials can include:

Thermoplastic Polyolefins (TPO)
Which has high impact resistance.
Acrylonitrile Butadiene Styrene (ABS)
Which has good impact and chemical resistant properties.
High Density Polyethylene Sheets (HDPE)
Which has high impact strength and is used for industrial products.
High Impact Polystyrene (HIPS)
Lightweight and inexpensive.

Parts can be made of dissimilar materials with twin sheet thermoforming. Twin sheet processes create a 3-dimensional part with formed features on both sides. Parts are able to use a thick sheet on the outside for stability and a thinner sheet on the inside for rigidity. When considering thickness, it is smart to make sure the difference in depth between the bottom and top sheets be 0.0625 of an inch or less. A variance greater than that number would make the twin sheets at risk of being out of sync. Since the two sheets can be dissimilar, twin sheet forming allows for a two-color product option and custom coloring. To form two sheets instead of one, both sheets must be precise and properly aligned. Complete understanding and control of conditions are required, as well as the appropriate vacuum and cooling devices.

Process of Twin Sheet Thermoforming

After the plastic is molded, the plastic remains in the molds, and, while still at forming temperature, the two molds are brought together under high pressures, which causes the two sheets to weld together wherever a weld is dictated. While being pressed together, a pin is pushed through one of the sheets and air is blown in, which causes the sheets to be pressure formed. If the air were trapped within, the panel would collapse. Finished products are hollow and have molded features on both sides, they are also attractive, structurally rigid, and detailed.

Different types of twin sheet machinery may be required for specific applications. This can be dictated by the material gauge, type, heating to cooling ratio, hot melt strength, bonding properties, material shrink, part size, part design, and amount of pressure required.

Benefits of Using Twin Sheet Thermoforming

  • Ability to add internal reinforcements such as rigid foam components.
  • Twin sheet forming has increased structural stability.
  • Can have molded in attachments.
  • Allows for air and wiring ducts.
  • Can accommodate multiple textures with variable wall sizes.
  • Ability to control both sides of the part.
  • Lower tooling cost than competitive processes.
  • No secondary bonding required.
  • Improved aesthetics caused by tool contact on both sides.
  • Formable in multiple materials and sizes.


Twin Sheet Thermoforming Informational Video