Storage products are cheap enough to be bought carelessly, and replacing a system is where the money goes.
What Fails
Thin plastic cracking at corners and handle points.
Clear plastic clouding and scratching until it is no longer clear, which removes the reason it was bought.
Non-skid liners peeling away or hardening.
Bearings jamming with debris, and moulded hubs wearing until rotation becomes stiff.
What Predicts Durability
- Material thickness, which weight indicates
- Handles moulded in rather than applied
- Ball bearings rather than plastic on plastic
- Liners bonded rather than loose
- A range that has existed for years, so spares still match
Ranges that have run the same designs across a long period, of the kind reflected at https://copco-usa.com/, make adding to a system years later more likely to work.
Sunlight Destroys Plastic
Ultraviolet light breaks down polymers, making them yellow, brittle and prone to cracking.
A tray on a sunny windowsill has a life measured in a season or two. The same tray in a cupboard lasts indefinitely.
Abrasives Ruin Clear Plastic
Scouring pads scratch acrylic permanently, and scratched clear plastic is opaque plastic.
Warm water and mild soap only. No solvent cleaners on acrylic, which crazes.
Heat Warps
The lower rack of a dishwasher near the element distorts thin plastic.
Top rack where rated, and hand washing anything with a bearing, since water in a race makes it grind.
Clean the Mechanism
Crumbs work into bearings and stop them turning smoothly.
Do Not Overload
Stiff rotation is usually weight or debris rather than a fault.
Retire Cracked Items
A crack harbours residue and spreads.
Weight Indicates Thickness
Two similar trays at different weights are not made from the same material.
Wipe Bearings Twice a Year
The whole maintenance requirement.
Keep One Spare
Of whichever size you use most.
Avoid Sunlit Positions
Which halve the lifespan of plastic.
Buy a System, Not Pieces
Individually bought containers do not nest, stack or share sizes.
Retire Cracked Items
A crack harbours residue and spreads.
Hand Wash Anything With a Bearing
Water in a race makes it grind.