Common Defects in ABS Industrial Dunnage and Handling Trays for logistics and warehousing and How to Prevent Them

Most quality claims on thermoformed parts trace back to a handful of root causes. Learn to recognise them on the drawing, in the tool and on the finished part.

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 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 ESD and conductive grades; returnable and reusable designs; gauge 1.5 to 8.0 mm. Materials most often specified are Acrylonitrile Butadiene Styrene, Polyethylene Terephthalate, High Density Polyethylene, Polypropylene, 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 parts supermarket trays, picking trays, dunnage trays.

Key Material Properties

These figures are typical for commercial grades and should be confirmed against the supplier's certificate for your specific lot.

Acrylonitrile Butadiene Styrene is frequently the default selection here: ABS is the default choice when a part needs a glossy, paintable, impact-resistant surface.

Failure Modes and Prevention

Spotting these early saves rework, freight and reputation.

• static damage to parts – usually caused by gate position; prevent it by controlling cycle parameters.
• cracking at low temperature – usually caused by material moisture; prevent it by controlling tool design.
• loss of stack stiffness – usually caused by material moisture; prevent it by controlling resin drying.
• warpage after washing – usually caused by gate position; prevent it by controlling handling and storage.
• wear of locating features – usually caused by material moisture; prevent it by controlling resin drying.

Common Grades and Variants

• 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
• 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.

• Welding
• Twin sheet forming
• Cnc trimming
• Thick gauge thermoforming

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

Use this checklist when comparing two or three supplier quotations.

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

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

Frequently Asked Questions

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.

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.

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.

Can you produce industrial dunnage and handling trays in Acrylonitrile Butadiene Styrene?

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.

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.

Conclusion

If you are planning a new logistics and warehousing 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.