ABS plastic — short for acrylonitrile butadiene styrene — is the petroleum-derived plastic that most off-the-shelf drawer trays and adjustable expanders are made from. It's the category default for cheap, mass-produced kitchen storage.
What ABS does well
- Cheap to manufacture. Injection-moulded in volume, very low unit cost.
- Durable. Doesn't warp in normal kitchen humidity. Resists most cleaning chemicals.
- Heat-resistant. Tolerates dishwasher cycles (unlike PLA).
Where ABS falls short
- Petroleum-derived. The supply chain depends on crude oil extraction.
- Not industrially compostable. ABS goes to landfill or polymer recycling; both have logistical costs.
- Picks up scratches. Cutlery edges scuff the surface. By year two, an ABS tray looks grubby in a way wiping doesn't fix.
- Mass-mould constraint. Injection moulds are expensive to retool, so ABS trays come in a small number of sizes — driving the one-size-fits-some problem.
How ABS compares to PLA
The trade-off is real. ABS is the right material for households that want dishwasher-tolerance and don't mind petroleum-sourcing. PLA is the right material for households that want plant-derived, food-safe, print-on-demand at the cost of wipe-clean care only.
Modu Drawer modules are PLA, not ABS, because print-on-demand needs a 3D-printable filament and PLA prints cleaner than ABS. The supply-chain shift was a side benefit; the manufacturing shift was the primary driver.