Regrind Blend Calculator
Split a planned resin batch between approved regrind and virgin material before preparing the blend.
Example starting values are prefilled to demonstrate the calculation. Replace them with your measured, quoted, or job-specific inputs before relying on a result.
Result
Regrind mass (lb)
20.000
Regrind share of total blend
0.20
Total blend mass (oz)
1,600.00
Virgin resin mass (lb)
80.000
Recipe limitation
Regrind and virgin values are mass components of the entered total blend. The percentage is a recipe input, not a material-approval recommendation; validate drying, contamination, residence history, color/additive compatibility, and customer requirements separately.
Related calculators
Shot Weight
Estimate the material needed for one injection shot from part weight, cavity count, and discharged runner weight.
Open calculatorColorant / Masterbatch Dosage Calculator
Work out how much masterbatch to add to a resin batch using the supplier dosage basis you select.
Open calculatorRunner Weight and Shot Waste
Back-calculate discharged runner and sprue weight from a measured shot, part weight, and active cavities.
Open calculatorFinished Goods Shipment Weight
Calculate finished-goods shipment weight by combining per-part mass, quantity, and packaging mass.
Open calculator