Composites, Fiberglass & Advanced Materials worked example

Resin Infusion Time at 29% setup, debulk and flow-front monitoring allowance: a worked example

This scenario runs the resin infusion time calculation on the strong side: 29% setup, debulk and flow-front monitoring allowance, with every other input held at its documented default. planning infusion window and operator coverage

The inputs for this scenario

  • Resin volume to infuse into the laminate: 145 gal (unchanged)
  • Stable resin flow rate during infusion: 32 gal / hr (unchanged)
  • Setup, debulk and flow-front monitoring allowance: 29 % (raised for this scenario; the documented default is 25)

Working through the calculation

  • Applying the documented formula (Base resin infusion time = resin volume to infuse รท stable resin flow rate) to the inputs above produces each figure below.
  • At this operating point the engine returns 5.85 hr for estimated resin infusion time, the number this scenario is built around.
  • At this operating point the engine returns 4.53 hr for base resin infusion time.
  • At this operating point the engine returns 29 % for infusion setup and monitoring allowance.
  • At this operating point the engine returns 32 gal / hr for stable resin flow rate.

How this compares with the baseline

  • Against the tool's baseline example, where setup, debulk and flow-front monitoring allowance sits at 25% and the headline result is 5.66 hr, this scenario comes in 3.2% above the baseline at 5.85 hr.
  • Use it when planning an infusion against resin gel time, scheduling cure resources, or validating flow-media and inlet design. Treat this as a target state: the delta against the baseline quantifies what the improvement is worth before you commit to chasing it.

Results at a glance

  • estimated resin infusion time: 5.85 hr (headline result)
  • base resin infusion time: 4.53 hr
  • infusion setup and monitoring allowance: 29 %
  • stable resin flow rate: 32 gal / hr

Run it with your numbers

  • Every input above is editable in the live Resin Infusion Time calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.