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Filaments: Difference between revisions

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| Filament density g/cm³ || 1.21 || 1.05 || 0.99
| Filament density g/cm³ || 1.21 || 1.05 || 0.99
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| Foaming rate || 0-120% || n/a || 0-110%
| Foaming rate || 0-120 || n/a || 0-110
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| Vol. expansion ratio || 100-220% || 102% || 100-210%
| Vol. expansion ratio || 100-220 || 102 || 100-210
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| Print density g/cm³ || 0.55-1.05 || 1.03 || 0.46-0.97
| Print density g/cm³ || 0.55-1.05 || 1.03 || 0.46-0.97
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| Tensile strength MPa || || || 32±4
| Tensile strength MPa || 24±2 || || 32±4
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| Breaking elongation rate || || || 5.1% ± 1.6%
| Breaking elongation rate || 2.6±0.7 || || 5.1±1.6
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| Bending modulus MPa || || || 1510±120
| Bending modulus MPa || 1690±120 || || 1510±120
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| Bending strength MPa || || || 58±6
| Bending strength MPa || 45±4 || || 58±6
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| Impact strength kJ/m² || || || 32.0±2.5  
| Impact strength kJ/m² || 28.8±1.3  || || 32.0±2.5  
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| Melt index g/10min || || || 1.56 ± 0.5
| Melt index g/10min || 7.7±0.6 || || 1.56 ± 0.5
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| Melting temp C || || || 204
| Melting temp C || 153 || || 204
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| Heat deflection temp C || || || 85
| Heat deflection temp C || 53 || || 85
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| Vicat softening temp C || || || 80
| Vicat softening temp C || 54 || || 80
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Revision as of 10:13, 28 July 2024

Keeping notes on various FDM printing filaments here. Prices are per kilogram spool unless stated otherwise. Printing was done on a Bambu Carbon X1C unless stated otherwise.

Polylactic acid (PLA)

  • Bambu silky green 2024-06 $25: beautiful results

Thermoplastic polyurethane (TPU)

  • Overture 95A green 2024-06 $30: stringy as hell

Acrylonitrile butadiene styrene (ABS)

  • Bambu black/green 2024-06 $14 (4kg @ $56): solid workhorse

High impact polystyrene (HIPS)

Support material for ABS/PET, dissolvable

  • Bambu green Support-G $80 ($40/.5kg): expensive!

Acrylic styrene acrylonitrile (ASA)

  • Atomic Filaments black 2024-06 $19 (7kg @ $130): lay the first layer at 105, and remaining layers at 115.

Polycarbonate (PC)

  • Bambu clear black 2024-06 $40: befouled my .4mm hotend. Very lovely when it prints.
    • warping at 115, stick to builtin 110

Polyamide Nylon (PA)

  • Atomic Filaments black

Polyethylene terephthalate (PET)

Polyethylene terephthalate glycol (PETG)

  • Atomic Filaments black Carbon Fiber: result is very tough
  • Bambu Support-W (breakaway PLA support) $70 ($35/.5kg): works well enough, expensive

Bambu filaments parameter table

Parameter PLA Aero ASA ASA Aero
Print temp C 210-260 240-270 240-280
Print speed mm/s <180 <250 <150
Flow rate ratio 0.5-0.8 0.93-0.97 0.45-0.80
Filament density g/cm³ 1.21 1.05 0.99
Foaming rate 0-120 n/a 0-110
Vol. expansion ratio 100-220 102 100-210
Print density g/cm³ 0.55-1.05 1.03 0.46-0.97
Tensile strength MPa 24±2 32±4
Breaking elongation rate 2.6±0.7 5.1±1.6
Bending modulus MPa 1690±120 1510±120
Bending strength MPa 45±4 58±6
Impact strength kJ/m² 28.8±1.3 32.0±2.5
Melt index g/10min 7.7±0.6 1.56 ± 0.5
Melting temp C 153 204
Heat deflection temp C 53 85
Vicat softening temp C 54 80
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