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TPU density and cost per gram

TPU 95A density from Bambu Lab and Elegoo, the price per gram from their stores, and what a 30 g phone case costs in flexible filament.

Density, by datasheet

TPU 95A HFBambu Lab TDS1.22 g/cm³ · 341 m per kg
TPU 95AElegoo1.16 g/cm³ · 358 m per kg

Metres per kilogram of 1.75 mm filament, worked out from each density: a denser plastic puts fewer metres on the same kilogram, so a slicer that reports length needs the density of the roll you load.

Price per gram, by maker

TPU 95A HF, $41.99 for 1000 gBambu Lab store$0.0420 a gram
TPU 95A, $17.99 for 1000 gElegoo$0.0180 a gram

List prices on each maker’s US store, without a sale, on the day in the sources. Type your own in the filament cost calculator.

What phone case costs in plastic

30 g of model and 2 g of purge and supports, both charged at the spool’s price per gram.

TPU 95A HF$1.34
TPU 95A$0.58

The plastic is one line of a quote. Power, machine hours, your time and failed prints are the rest, and the cost calculator prices them all.

From the TPU datasheets

  • Bambu Lab's TPU 95A HF stretches more than 650% before it breaks, by its datasheet.Bambu Lab TDS
  • Elegoo states its empty TPU spool weighs 165 ± 5 g, the figure to subtract when you weigh a roll on a kitchen scale.Elegoo

Other materials

Keep these numbers for every print

Printyard runs this arithmetic on your phone at the machine and on the web: every quote itemised, every roll to the gram, and a month with the fees and the failed prints already taken out.

Price your shopDownload on the App Store

Sources