Thermoforming Services

Scojet specializes in a range of plastic fabrication techniques, including thermoforming, to meet the unique requirements of all our clients.

Thermoforming is a process in which a flat sheet is heated and then shaped into the desired form. This method is commonly employed in packaging consumer products and for creating large items such as bathtubs, contoured skylights, and internal door liners for refrigerators. However, we can apply thermoforming to produce items in virtually any shape.

Our facilities accommodate Drape Forming, Press Forming, and Vacuum Forming to meet various specifications, with the maximum sheet size being 2440 x 2030mm (depending on the material). Additionally, we have the capability to create in-house tooling, providing a versatile, efficient, and cost-effective service.

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Thermoforming Tolerance Guidelines

ACTIVITYTOLERANCEGUIDELINE
FORMED MEASUREMENTS+/-0.020”Additional 0.001” per Inch beyond 12”
DRILLED HOLE DIAMETERS+/-0.005”Holes Equal or Lesser than 1”
DRILLED HOLE DIAMETERS+/-0.010”Holes from 1” to 5”
SLOTS+/-0.010”Slot Equal to or Lesser than 1” Any Direction
SLOTS+/-0.020”Slots Greater than 1”

Thermoforming Materials and Applications

Thermoforming is a versatile process that can be employed with a variety of materials, allowing for a wide range of thermal, mechanical, and chemical properties. We have compiled a brief guide to the materials frequently utilized in thermoforming and highlighted some of their ideal applications. While we offer examples here, these materials can be adapted for numerous different products. If you require more information about any of the materials mentioned below, please don’t hesitate to contact us.

HIPS (Polystyrene)

Our most frequently used material. It is cost-effective and practical, but it may become brittle at lower temperatures and emit gases at higher temperatures. HIPS is typically employed for packaging trays, covers, and light-duty structural components. Food-safe variants are also accessible.

PETG (Polyethylene Terephthalate) (Polyester)

A moderately affordable material with excellent water and oxygen resistance. It can withstand much lower temperatures compared to HIPS. PETG is commonly utilized for applications requiring food safety, freezer packaging, and the production of water bottles.

ABS (Acrylonitrile Butadiene Styrene)

A medium-cost engineering plastic known for its impact resistance, ABS can be made flame-retardant or UV-resistant by incorporating other materials. It is commonly employed for high-quality packaging and structural components that bear moderate loads.

Kydex T (ABS/PVC) or Kydex 100 (Acrylic/PVC)

These are premium flame-retardant engineering plastics renowned for their exceptional impact resistance. They are commonly chosen for applications involving moderate-load structures, covers, and enclosures that demand fire resistance. Kydex 100, in particular, is our preferred material for producing radomes.

PC (Polycarbonate)

A moderately priced engineering plastic distinguished by its high stiffness, remarkable impact strength, and excellent temperature resistance. It offers options for UV and scratch resistance as well. PC is often chosen for replacing glass in applications such as phones, TVs, lights, or eyewear, and for high-temperature uses. It should be noted that PC can be more challenging to form, particularly when intricate details are involved.

PE, HDPE, or LDPE (Polyethylene)

A moderately rigid and cost-effective plastic renowned for its exceptional chemical resistance. It does not release gases at high temperatures. Its chemical and thermal durability make it an ideal choice for containers designed to resist chemicals. However, it’s worth noting that it exhibits a higher shrink rate compared to other materials, which can impact tool longevity and introduce variability between parts.

PP (Polypropylene)

A moderately priced substitute for PE, PP boasts enhanced thermal and mechanical properties. It offers a higher level of chemical resistance compared to most plastics. PP is commonly chosen as an engineering plastic and is particularly suitable for applications involving contact with food.

PVC (Polyvinyl Chloride)

A robust engineering plastic with impressive mechanical properties, high resistance to chemicals and electricity. It can be formulated to be either rigid or flexible, depending on the application. PVC is commonly utilized for crafting specific chemical-resistant containers.

Acrylic

An affordable plastic known for its rigidity and brittleness, featuring excellent UV resistance. It can be more challenging to shape compared to other plastics and is not ideal for intricate bends or fine details. Acrylic’s UV resistance makes it a popular choice for outdoor applications.

Gallery of Thermoforming

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