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FlashForge RRUS Rapid PLA Filament 1.75mm Ruby Red 1kg

SKU CH-W92D-SQ15G

High-speed PLA filament prints up to 500 mm/s with ±0.02 mm diameter accuracy and strong layer adhesion

  • Diameter1.75
  • Product colorRuby Red
  • Main materialPolylactic Acid
  • Product weight2.2 lb (1 kg)
  • Prints up to 500 mm/s with rapid melting and smooth flow
  • Maintains layer adhesion and low shrinkage for precise dimensions at speed
  • Tangle-free winding prevents blockages for uninterrupted printing
  • Strong first-layer adhesion and bridging without pre-drying or tweaks
  • Diameter held to 1.75 mm ± 0.02 mm for consistent extrusion

Rapid High-Speed PLA Filament

FlashForge RRUS Rapid PLA is a 1.75 mm polylactic acid filament supplied on a 1 kg spool in Ruby Red. It is formulated for ultra-high-speed printing up to 500 mm/s while maintaining dimensional accuracy of ±0.02 mm. The material suits makers and small-batch producers who need faster throughput without sacrificing layer adhesion or surface detail.

Build Integration and Workflow

The filament works with standard 1.75 mm extruders and nozzle diameters of 0.4 mm or 0.6 mm. Recommended extruder temperatures range from 200 °C to 220 °C with a heated bed at 25 °C to 60 °C. Upgraded winding technology minimises tangles and blockages, reducing mid-print interruptions. Strong first-layer adhesion and bridging performance mean reliable prints without pre-drying or extensive parameter tuning.

Upgrade Context and Value

This spool replaces standard PLA that typically prints at 40 mm/s to 250 mm/s and often requires drying or profile adjustments. The jump is worthwhile when production speed is a bottleneck and consistent ±0.02 mm diameter tolerance is needed for repeatable extrusion. It is not suited for applications demanding high-temperature resistance or engineering-grade mechanical properties beyond standard PLA capabilities.

How it compares

Measured against everything we stock in 3D Printer Filament, at today’s prices. Recalculated every night.

Price $30.99
Pricier than about 60% of the 305 comparable items (median $27.99).

Specifications

Product
Brand nameFlashForge
Model nameRRUS
Product colorRuby Red
Size & build
Main materialPolylactic Acid
Diameter1.75
Product weight2.2 lb (1 kg)

Questions about this item

At what print speed does the filament maintain its dimensional accuracy of +/- 0.02mm?

The filament is rated for high-speed printing up to 500mm/s while maintaining a 1.75mm diameter with +/- 0.02mm accuracy.

What are the recommended extruder and platform temperature ranges for this material?

Extruder temperature should be set between 200 and 220°C, and the platform temperature between 25 and 60°C.

What nozzle diameter is specified for printing with this 1.75mm filament?

The specifications list a nozzle diameter of 0.4mm for this filament.

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