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Filaments: Difference between revisions

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==Bambu filaments parameter table==
==Bambu filaments parameter table==
{| wikiclass="table" border="1"
{| wikiclass="table" border="1"
! Parameter !! PLA Aero !! ASA !! ASA Aero !! PC !! ABS !! ABS-GF !! PETG-Trans !! PETG-HF !! PA6-CF !! PPA-CF
! Parameter !! PLA Aero !! ASA !! ASA Aero !! PC !! ABS !! ABS-GF !! PETG-Trans !! PETG-HF !! PA6-CF !! PPA-CF !! PETG-HF
|-
|-
| Print temp C || 210-260 || 240-270 || 240-280 || 250-270 || 240-270 || 240-270 || 230-260 || 230-260 || 260-290 || 280-310
| Print temp C || 210-260 || 240-270 || 240-280 || 250-270 || 240-270 || 240-270 || 230-260 || 230-260 || 260-290 || 280-310 || 230-260
|-
|-
| Print speed mm/s || <180 || <250 || <150 || <300 || <300 || <180 || <220 || <300 || <100 || <100
| Print speed mm/s || <180 || <250 || <150 || <300 || <300 || <180 || <220 || <300 || <100 || <100 || <300
|-
|-
| Flow rate ratio || 0.5-0.8 || 0.93-0.97 || 0.45-0.80 || || || || || || ||
| 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 || 1.2 || 1.05 || 1.08 || 1.25 || 1.28 || 1.09 || 1.25
| Filament density g/cm³ || 1.21 || 1.05 || 0.99 || 1.2 || 1.05 || 1.08 || 1.25 || 1.28 || 1.09 || 1.25 || 1.28
|-
|-
| Foaming rate || 0-120 || n/a || 0-110 || n/a || n/a || n/a || n/a || n/a || n/a || n/a
| Foaming rate || 0-120 || n/a || 0-110 || n/a || n/a || n/a || n/a || n/a || n/a || n/a || n/a
|-
|-
| Vol. expansion ratio || 100-220 || 102 || 100-210 || || || || || || ||  
| Vol. expansion ratio || 100-220 || 102 || 100-210 || || || || || || || ||
|-
|-
| 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 || || || || || || || ||
|-
|-
| Tensile strength MPa || 24±2 || 37±3 || 32±4 || 55±4 || 33±3 || 36±3 || 33±4 || 34±4 || 102±7  || 168±4
| Tensile strength MPa || 24±2 || 37±3 || 32±4 || 55±4 || 33±3 || 36±3 || 33±4 || 34±4 || 102±7  || 168±4 || 34±4
|-
|-
| Breaking elongation rate || 2.6±0.7 || 9.2±1.4 || 5.1±1.6 || 3.8±0.3 || 10.5±1.0 || 6.3±1.2 || 8.2±1.3 || 8.6±1.2 || 5.8±1.6 || 3.2±0.4
| Breaking elongation rate || 2.6±0.7 || 9.2±1.4 || 5.1±1.6 || 3.8±0.3 || 10.5±1.0 || 6.3±1.2 || 8.2±1.3 || 8.6±1.2 || 5.8±1.6 || 3.2±0.4 || 8.6±1.2
|-
|-
| Bending modulus MPa || 1690±120 || 1920±130 || 1510±120 || 2310±70 || 1880±110 || 2860±130 || 1610±130 || 2050±120 || 5460±280 || 9860±480
| Bending modulus MPa || 1690±120 || 1920±130 || 1510±120 || 2310±70 || 1880±110 || 2860±130 || 1610±130 || 2050±120 || 5460±280 || 9860±480 || 2050±120
|-
|-
| Bending strength MPa || 45±4 || 65±5 || 58±6 || 108±4 || 62±4 || 68±4 || 68±3 || 64±3 || 151±8 || 208±6
| Bending strength MPa || 45±4 || 65±5 || 58±6 || 108±4 || 62±4 || 68±4 || 68±3 || 64±3 || 151±8 || 208±6 || 64±3
|-
|-
| Impact strength kJ/m² || 28.8±1.3 || 41.0±2.3 || 32.0±2.5 || 34.8±2.1 || 39±3.6 || 14.5±1.5 || 37.4±3.3 || 31.5±2.2 || 40.3±2.5 || 41.7±2.8
| Impact strength kJ/m² || 28.8±1.3 || 41.0±2.3 || 32.0±2.5 || 34.8±2.1 || 39±3.6 || 14.5±1.5 || 37.4±3.3 || 31.5±2.2 || 40.3±2.5 || 41.7±2.8 || 31.5±2.2
|-
|-
| Melt index g/10min || 7.7±0.6 || 7.0±0.8 || 1.56 ± 0.5 || 32.2±2.9 || 34.2±3.8 || 7.56±1.4 || 11.7±1.5 || 28.2±2.7 || 6.8±0.6 || 8.4±0.7
| Melt index g/10min || 7.7±0.6 || 7.0±0.8 || 1.56 ± 0.5 || 32.2±2.9 || 34.2±3.8 || 7.56±1.4 || 11.7±1.5 || 28.2±2.7 || 6.8±0.6 || 8.4±0.7 || 28.2±2.7
|-
|-
| Melting temp C || 153 || 210 || 204 || 228 || 200 || 202 || 228 || 214 || 223 || 258
| Melting temp C || 153 || 210 || 204 || 228 || 200 || 202 || 228 || 214 || 223 || 258 || 214
|-
|-
| Heat deflection temp C || 53 || 100 || 85 || 117 || 87 || 99 || 74 || 69 || 186 || 227
| Heat deflection temp C || 53 || 100 || 85 || 117 || 87 || 99 || 74 || 69 || 186 || 227 || 69
|-
|-
| Vicat softening temp C || 54 || 106 || 80 || 119 || 94 || 103 || 79 || 70 || 212 || 232
| Vicat softening temp C || 54 || 106 || 80 || 119 || 94 || 103 || 79 || 70 || 212 || 232 || 70
|-
|-
|}
|}

Revision as of 09:14, 28 August 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)

Polycaprolactam (Nylon 6, PA6)

  • Atomic Filaments black

Polyethylene terephthalate (PET)

Polyethylene terephthalate glycol (PETG)

  • Atomic Filaments black Carbon Fiber: result is very tough
    • most reliable method seems to be cold plate (not textured PEI)
    • 270/60, no fans
    • or *very clean* textured PEI at 270/80, default 70 is no good
  • Bambu Support-W (breakaway PLA support) $70 ($35/.5kg): works well enough, expensive

Bambu filaments parameter table

Parameter PLA Aero ASA ASA Aero PC ABS ABS-GF PETG-Trans PETG-HF PA6-CF PPA-CF PETG-HF
Print temp C 210-260 240-270 240-280 250-270 240-270 240-270 230-260 230-260 260-290 280-310 230-260
Print speed mm/s <180 <250 <150 <300 <300 <180 <220 <300 <100 <100 <300
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 1.2 1.05 1.08 1.25 1.28 1.09 1.25 1.28
Foaming rate 0-120 n/a 0-110 n/a n/a n/a n/a n/a n/a n/a n/a
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 37±3 32±4 55±4 33±3 36±3 33±4 34±4 102±7 168±4 34±4
Breaking elongation rate 2.6±0.7 9.2±1.4 5.1±1.6 3.8±0.3 10.5±1.0 6.3±1.2 8.2±1.3 8.6±1.2 5.8±1.6 3.2±0.4 8.6±1.2
Bending modulus MPa 1690±120 1920±130 1510±120 2310±70 1880±110 2860±130 1610±130 2050±120 5460±280 9860±480 2050±120
Bending strength MPa 45±4 65±5 58±6 108±4 62±4 68±4 68±3 64±3 151±8 208±6 64±3
Impact strength kJ/m² 28.8±1.3 41.0±2.3 32.0±2.5 34.8±2.1 39±3.6 14.5±1.5 37.4±3.3 31.5±2.2 40.3±2.5 41.7±2.8 31.5±2.2
Melt index g/10min 7.7±0.6 7.0±0.8 1.56 ± 0.5 32.2±2.9 34.2±3.8 7.56±1.4 11.7±1.5 28.2±2.7 6.8±0.6 8.4±0.7 28.2±2.7
Melting temp C 153 210 204 228 200 202 228 214 223 258 214
Heat deflection temp C 53 100 85 117 87 99 74 69 186 227 69
Vicat softening temp C 54 106 80 119 94 103 79 70 212 232 70

Qualitative comparisons

Manufacturers employ additives to change the properties of their filaments, which I don't attempt to address here. Properties may change across different batches of the same filament. These are very rough comparisons based off oral wisdom.

  • Impact strength: ASA > ABS > PC > PETG > PLA
  • Tensile strength: PA6-CF >> PC >> ASA > ABS ~= PETG > PLA
  • UV resistance: ASA > ABS
  • "Chemical" resistance: PETG > ABS
  • Melting temp: PC > ASA > PETG > ABS >> PLA
  • Heat resistance: PC > ASA > ABS > PETG > PLA
  • Printing speed:
  • Offensiveness (odor, VOCs while printing): ABS > ASA, PC
  • Acetone postprocessing: ASA/ABS only
  • Ease of sanding: PLA > PETG > ABS/ASA
  • Ease of painting: PLA > PETG > ABS/ASA
  • Tendency to warp: PC > ABS/ASA > PLA > PETG
  • Hygroscopicity: PA > PETG/ABS/ASA > PLA
  • Filament density: PETG/PLA > ABS/ASA
  • Hotend temp required: PC > ABS/ASA > PETG > PLA
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