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Top Applications of PC Twin Sheet Thermoformed Products in the automotive and mobility Industry

2026-10-02 Plastic News 0 views

Automotive and mobility buyers increasingly specify twin sheet thermoformed products instead of injection moulding or corrugated board. Here is where they are used and why they work.

Everything here can be checked on a real sample before you commit to a production order.

Product Overview

This category covers a family of products rather than a single item. In practice a buyer defines twin sheet thermoformed products by three things: the base resin, the format or dimension, and the performance or certification level it has to meet. Typical options in this category include integrated mounting bosses; large panels over 2000 mm; hollow double wall structures. Materials most often specified are Polypropylene, PC/ABS Alloy, Polycarbonate, High Density Polyethylene, and the choice between them changes stiffness, temperature resistance, chemical behaviour and price.

In the automotive and mobility sector the decision is usually driven by dimensional stability and heat resistance, with impact strength as a secondary requirement. Typical end uses include under body shields, line side trays, dunnage trays.

Key Material Properties

The table below summarises the values that usually decide the material choice.

MaterialDensityTensile strengthService temperature
Acrylonitrile Butadiene Styrene1.04-1.06 g/cm³30-50 MPa-20°C to 80°C
Polypropylene0.90-0.91 g/cm³25-40 MPa-10°C to 100°C
Polycarbonate1.20 g/cm³55-70 MPa-40°C to 120°C

Polycarbonate is frequently the default selection here: PC replaces glass where impact safety matters, but it needs a hard coat for abrasion resistance.

Where Twin sheet thermoformed products Is Used in automotive and mobility

Typical automotive and mobility users specify this product for the following jobs.

  • line side trays – low odour
  • interior panels – heat resistance
  • dunnage trays – heat resistance
  • under body shields – heat resistance
  • commercial vehicle trim – heat resistance

Common Grades and Variants

  • Polycarbonate based: outstanding impact strength (250x glass)
  • Polypropylene based: lowest density among commodity plastics
  • High Density Polyethylene based: high impact strength even at low temperature
  • Acrylonitrile Butadiene Styrene based: high impact toughness

Beyond the base resin, most suppliers offer UV stabilised, food contact, flame retardant, anti-static and recycled content versions of the same product. Ask which additive package is included, because it is often the difference between a part that lasts three years and one that lasts ten.

Processing and Finishing Options

Each step below has its own control points, and skipping one of them is where most defects start.

  • Twin sheet forming
  • Pressure forming
  • Assembly
  • Welding

Secondary operations such as printing, welding, machining and assembly are often cheaper to do in the same factory, and they reduce the risk of mismatch between components.

How to Specify Twin sheet thermoformed products Correctly

These are the criteria that actually predict whether the part will perform in service.

  1. check flatness of large panels
  2. design mounting features into the twin sheet structure
  3. validate the weld strength with a burst or drop test
  4. specify wall thickness on both sheets
  5. confirm the pinch-off design with your moulder

Send this list to your supplier with the drawing and you will receive comparable quotations from every factory you contact.

Frequently Asked Questions

What packing and shipping options are available?

Standard packing is export cartons on fumigation-free pallets, with custom labelling, barcode and retail packing available. We also handle consolidated containers and door to door delivery.

Do you offer samples?

Yes. Standard samples are normally free of charge and shipped within three working days; custom samples are charged at cost and credited against the first production order.

Can you produce twin sheet thermoformed products in Polycarbonate?

Yes. {mat1} is one of our regular materials for this item, and we can supply virgin, modified and certified grades with full traceability. Material certificates and test reports are issued per batch.

How long does tooling and sampling take?

A new tool typically takes 25 to 45 days depending on cavity count and complexity, followed by T1 samples within one week. Existing tools can usually start production within 10 to 15 days of order confirmation.

Which certifications can you provide?

We can provide ISO 9001 quality system documentation, material certificates, RoHS and REACH statements, and where applicable food contact, flame retardancy or drinking water approvals. Tell us your target market and we will match the document set.

Conclusion

Share your specification and quantity with us and we will recommend the most cost effective material, tooling route and packing method for your market.

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