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Handling, Storage and Service Life of PC Industrial Dunnage and Handling Trays in logistics and warehousing

2026-10-02 Plastic News 0 views

Correct handling and storage protect the performance of industrial dunnage and handling trays from the factory to the packing line. This guide covers stacking, climate, static and inspection.

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 industrial dunnage and handling 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 1.5 to 8.0 mm; custom cavity layouts; stack and nest geometry. Materials most often specified are Polyethylene Terephthalate, Acrylonitrile Butadiene Styrene, Polypropylene, Polycarbonate, and the choice between them changes stiffness, temperature resistance, chemical behaviour and price.

In the logistics and warehousing sector the decision is usually driven by stackability and returnability, with traceability as a secondary requirement. Typical end uses include picking trays, bakey distribution crates, 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
High Density Polyethylene0.94-0.97 g/cm³20-32 MPa-50°C to 80°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.

Installation and Care

Most premature failures are installation issues rather than material failures.

  1. Clean with mild detergent and a soft cloth; avoid solvents unless the data sheet allows them.
  2. Inspect every part on arrival and record the batch number.
  3. Acclimatise the material at the installation temperature for at least 24 hours.
  4. Re-check torque or alignment after the first month of service.
  5. Use fixings that allow for thermal expansion; do not clamp rigidly.

With correct specification and installation, service life in typical indoor conditions exceeds ten years.

Common Grades and Variants

  • Polypropylene based: lowest density among commodity plastics
  • Polycarbonate based: outstanding impact strength (250x glass)
  • High Density Polyethylene based: high impact strength even at low temperature
  • Polyethylene Terephthalate based: excellent barrier to CO2 and moisture

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.

  • Assembly
  • Twin sheet forming
  • Cnc trimming
  • 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 Industrial dunnage and handling trays Correctly

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

  1. check stack load and conveyor compatibility
  2. design locating features that survive repeated use
  3. specify ESD grade if electronics are handled
  4. validate washing and drying resistance
  5. define the number of returnable trips expected

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

Frequently Asked Questions

What is the minimum order quantity for industrial dunnage and handling 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.

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 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.

What tolerance can be achieved?

Standard production tolerance follows the relevant ISO or DIN tolerance class for the process; tighter tolerances are possible after machining or grinding, but they add cost. Define the tolerance only on the functional dimensions.

How do you control colour consistency?

Colour is controlled with a masterbatch reference approved by the customer, and every production lot is checked against the approved sample under standard lighting before shipment.

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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