Bioplastics & Biomaterials Processing worked example

Bio-Resin Drying Load at 8.64% drying setup and moisture-check allowance: a worked example

Suppose drying setup and moisture-check allowance falls to 8.64%. This page works the full calculation at that level so you can see exactly which result moves and by how much. Estimate dryer hours needed for moisture-sensitive PLA, PHA, PBAT, starch blend, cellulose, or bio-based resin before extrusion or molding.

The inputs for this scenario

  • Bio-resin weight to dry: 1,800 kg or lb (held at the documented default)
  • Dryer throughput: 225 kg/hr or lb/hr (held at the documented default)
  • Drying setup and moisture-check allowance: 8.64 % (the input this scenario stresses; the baseline uses 12)

Working through the calculation

  • The calculation starts from the formula this tool documents: Base dryer load time = bio-resin weight to dry รท dryer throughput.
  • Required bio-resin drying time works out to 8.69 hr at these inputs, and this is the headline figure for the scenario.
  • Base dryer load time works out to 8 hr at these inputs.
  • Drying setup and moisture-check allowance works out to 8.64 % at these inputs.
  • Dryer throughput works out to 225 kg/hr or lb/hr at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where drying setup and moisture-check allowance sits at 12% and the headline result is 8.96 hr, this scenario comes in 3% below the baseline at 8.69 hr.
  • It computes required bio-resin drying time by dividing batch weight by dryer throughput and inflating it with a setup and moisture-check allowance. When the numbers land here, the stressed input is the lever to work; the walkthrough above shows exactly how much each output recovers as it climbs back toward the baseline.

Results at a glance

  • Required bio-resin drying time: 8.69 hr (headline result)
  • Base dryer load time: 8 hr
  • Drying setup and moisture-check allowance: 8.64 %
  • Dryer throughput: 225 kg/hr or lb/hr

Run it with your numbers

  • To rerun this with your own numbers, open the live Bio-Resin Drying Load calculator, set drying setup and moisture-check allowance to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.