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Black 1.75 mm PLA filament on a 1 kg spool

eSUN

eSUN Super Tough PLA Filament 1.75mm 1kg Black

SKU CH-D6V1-XMR2C

Toughened PLA filament with 90% elongation at break and 11 times higher impact strength than standard PLA, 1.75 mm diameter, ±0.05 mm tolerance, prints at 200-230 °C on a 45-60 °C bed

  • ColorBlack
  • MaterialPLA plastic
  • Diameter1.75 mm
  • FeaturesPLA Filament
  • Weight1kg
  • Impact resistance 11× standard PLA for durable mechanical parts
  • 90% elongation at break delivers superior bending resistance
  • ±0.05 mm diameter tolerance ensures consistent feeding
  • Prints at 200–230 °C with 45–60 °C bed for easy handling
  • Vacuum-sealed with desiccant keeps filament dry and tangle-free

Mechanical-grade filament

eSUN Super Tough PLA is a modified polylactic acid formulated for functional parts that must absorb impact without snapping. It targets engineers, product designers and makers who print brackets, gears, enclosures or drone components on standard FDM printers. The material retains PLA’s low warp and easy adhesion while delivering markedly higher elongation and toughness.

90 % elongation at break

The defining figure is an elongation at break of up to 90 %, which is roughly eleven times the impact strength of ordinary PLA. That ductility lets printed parts flex under sudden load instead of fracturing, making the spool suitable for mechanical models, structural prototypes and end-use components in industrial design, consumer electronics and automotive test rigs.

Vacuum-sealed spool with desiccant

Each 1 kg reel ships in a vacuum bag with a desiccant pack, keeping the 1.75 mm filament dry and dust-free until first use. The tight ±0.05 mm diameter tolerance and careful winding prevent tangles and nozzle clogging, while the recommended 200–230 °C nozzle and 45–60 °C bed temperatures work on most FDM machines without hardware changes.

Highlights

  • Impact resistance 11× standard PLA for durable mechanical parts
  • 90% elongation at break delivers superior bending resistance
  • ±0.05 mm diameter tolerance ensures consistent feeding
  • Prints at 200–230 °C with 45–60 °C bed for easy handling
  • Vacuum-sealed with desiccant keeps filament dry and tangle-free

Specifications

BrandeSUN
Model3D printer filament
ColorBlack
MaterialPLA plastic
Diameter1.75 mm
FeaturesPLA Filament
Weight1kg

Questions about this item

What does the 90 % elongation at break mean for finished parts?

It indicates the filament can stretch significantly before snapping, giving printed mechanical parts high impact resistance and reducing brittle failures.

How does the 1.75 mm diameter tolerance of ±0.05 mm affect printing?

The tight tolerance ensures consistent extrusion, stable layer bonding and less risk of nozzle clogs or filament jams.

What spool dimensions and weight should I check for my printer’s holder?

The filament comes on a 1 kg spool (2.2 lbs) with 1.75 mm diameter; verify your holder accepts that mass and width.

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