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Top Applications of PET Cleanroom Thermoformed Trays in the industrial equipment Industry

2026-10-02 Plastic News 0 views

Industrial equipment buyers increasingly specify cleanroom thermoformed trays instead of injection moulding or corrugated board. Here is where they are used and why they work.

Use it as a working checklist when you write your next enquiry.

Product Overview

This category covers a family of products rather than a single item. In practice a buyer defines cleanroom thermoformed trays 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 gauge 0.40 to 1.50 mm; low particle and low outgassing grades; laser marked identification. Materials most often specified are Polystyrene, Polyethylene Terephthalate Glycol, Polypropylene, Polyethylene Terephthalate, and the choice between them changes stiffness, temperature resistance, chemical behaviour and price.

In the industrial equipment sector the decision is usually driven by thick gauge capability and flare and fire rating, with paintability as a secondary requirement. Typical end uses include equipment covers, machine housings, protective guards.

Key Material Properties

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

MaterialDensityTensile strengthService temperature
Polystyrene1.04-1.06 g/cm³30-50 MPa-20°C to 70°C
Polyethylene Terephthalate Glycol1.27 g/cm³45-55 MPa-40°C to 70°C
Polycarbonate1.20 g/cm³55-70 MPa-40°C to 120°C

Polyethylene Terephthalate is frequently the default selection here: High IV PET resin is the reason a 1.5 L bottle can be light yet hold carbonation pressure.

Where Cleanroom thermoformed trays Is Used in industrial equipment

In the industrial equipment sector, these are the applications where this product has proven itself.

  • twin sheet panels – thick gauge capability
  • equipment covers – service life
  • kiosk shells – flare and fire rating
  • machine housings – dimensional stability
  • protective guards – service life

Common Grades and Variants

  • Polystyrene based: rigid and glossy
  • Polypropylene based: lowest density among commodity plastics
  • Polyethylene Terephthalate based: excellent barrier to CO2 and moisture
  • Polyethylene Terephthalate Glycol based: excellent clarity with no stress whitening

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

The route below is the one most factories use for this type of part.

  • Packing
  • Particle testing
  • Cleanroom washing
  • Precision die cutting

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 Cleanroom thermoformed trays Correctly

Use this checklist when comparing two or three supplier quotations.

  1. state the cleanroom class needed for production and packing
  2. request particle count test data
  3. avoid paper based packing inside the clean bag
  4. confirm washing and drying process
  5. validate outgassing for vacuum applications

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

Frequently Asked Questions

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.

What is the minimum order quantity for cleanroom thermoformed trays?

For standard sizes and colours the minimum is usually one pallet or one production run; for custom tooling the economic minimum depends on the tooling cost amortised over the expected volume. Send us your annual volume and we will calculate the break even point.

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.

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 cleanroom thermoformed trays in Polyethylene Terephthalate?

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.

Conclusion

If you are planning a new industrial equipment project, send us your drawing, annual volume and target properties, and we will come back with a material proposal, a tooling plan and a budget quotation.

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