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Glow PLA

PLA + phosphor. glows in the dark for 4–6 hours. abrasive: hardened nozzle.

Glow-in-the-dark PLA: standard PLA + 5–15% strontium aluminate (Sr·Al₂O₄) or zinc sulfide (ZnS:Cu) phosphor. Absorbs UV/visible light → emits in the dark for hours. Standard PLA in every other respect.

Night decorations, safety signs, glow toys, immersive cosplay. Actually works: 4–6 hours of slow decay in full darkness.

FormulaPLA + ZnS:Cu phosphor
Density1.3 g/cm³
Tg (glass transition)60°C
Nozzle temp200–215°C
Bed temp50–60°C
Enclosureno
Difficulty★★: beginner+

Engineer, author of The Big Book of 3D Printing and additive manufacturing expert

Properties

FormulaPLA + ZnS:Cu phosphor
Density (g/cm³)1.3
Tg (°C)60
Print ease (0-10)8
Tensile (0-10)4
Flexibility (0-10)2
Impact resistance (0-10)3
Heat resistance (0-10)2
UV resistance (0-10)2
Chemical resistance (0-10)4
Cost (0-10)5
Safety (0-10)9
Finishing (0-10)7
Bed adhesion (0-10)9
Accuracy (0-10)8

Property comparison

PropertyGlow PLAABSASACF-Filled (PLA/PETG)
Print ease8555
Tensile4676
Flexibility2553
Impact resistance3875
Heat resistance2883
UV resistance2394
Chemical resistance4675
Cost5866
Safety9557
Finishing7998
Bed adhesion9668
Accuracy8777

Price per kilogram by brand

BrandManufacturerEUR/kgTier
eSUN PLA-GloweSUN28budget
Bambu PLA GlowBambu Lab35budget
Polymaker PolyLite GlowPolymaker50mid
ColorFabb GlowColorFabb55mid
Glow Inc. Glow PLAGlow Inc.60premium

Compatible printers

Compatible printers: 582

Mark TwoX1 CarbonAnkerMake M5Centauri CarbonELEGOO NEPTUNEELEGOO NEPTUNE 4Prusa MK4X-Plus 3