Filaflex 82A 'Original' is the flagship flexible filament of the Filaflex brand and the most widely used TPU in 3D printing. With a Shore hardness of 82A and impressive 650% elongation at break, this thermoplastic polyurethane filament delivers exceptional elasticity, consistently returning to its original shape without deformation after stretching. As the industry standard for flexible printing, it combines reliability with outstanding performance.

Designed for optimal printing performance, Filaflex 82A is recommended for use with direct extrusion 3D printers and requires specific configuration guidelines different from rigid filaments. The filament features excellent bed adhesion without requiring heated bed or additional adhesives, while being odorless and resistant to various solvents and fuels. Its non-toxic nature makes it safe for skin contact, opening up numerous practical applications.

Key Features

Optimal Flexibility: 82A Shore hardness with 650% elongation capacity
Superior Recovery: Returns to original shape after stretching
Easy Printing: Excellent bed adhesion without additives
Material Safety: Non-toxic and skin-safe formulation
Chemical Resistance: Resistant to solvents and fuels

Professional Applications

Medical & Orthopedic: Custom insoles and prosthetic components
Surgical Training: Anatomical models for operation simulation
Industrial Components: Buffers, gaskets, tires, and grippers
Fashion & Accessories: Textile printing, bags, and wearable items
Footwear Production: Soles, custom shoes, and sandals

Printing Parameters

Complete Technical Printing Guide - FILAFLEX 82A

🌡️ 1. Material Preparation

Filament Drying (CRUCIAL):

📏 Temperature: 55°C
⏱️ Minimum time: 1 hour
💡 Proper drying is essential for optimal printing results

⚡ 2. Understanding Print Speed

Volumetric vs. Linear Speed

🌊 Volumetric Speed (mm³/s): Like water through a hose - measures how much plastic flows per second, regardless of nozzle size.
📏 Linear Speed (mm/s): Like walking speed - how fast the printer head moves across the print area
🔑 Key Formula: Linear Speed = Volumetric Speed / (Line Width × Layer Height)

✨ The Magic: When you set a volumetric speed limit in your slicer, it automatically calculates and adjusts all linear speeds (perimeters, infill, etc.) based on your current nozzle size and layer height. This ensures consistent material flow regardless of your print settings!

⚙️ 3. Basic Parameters

Unique Characteristics of Filaflex 82A

Unlike rigid filaments, TPU stretches when extruded, producing thinner lines. The line width will be smaller than the nozzle diameter. To ensure proper bonding between vertical walls and perimeters

Nozzle	Layer Height	Line Width	Volumetric Speed	Temperature
0.4mm	0.2mm	0.35mm	3.2 mm³/s	240°C
0.6mm	0.3mm	0.55mm	7.2 mm³/s	242°C
0.8mm	0.4mm	0.75mm	12.8 mm³/s	245°C
1.0mm	0.5mm	0.95mm	20.0 mm³/s	248°C

🚀 4. Speed Settings

0.4mm Nozzle (Volumetric Speed: 3.2 mm³/s)

Line Type	Percentage	Speed
External Perimeter	50%	22.85 mm/s
Internal Perimeters	75%	34.27 mm/s
Infill	100%	45.70 mm/s
Top/Bottom	60%	27.42 mm/s
First Layer	30%	13.71 mm/s

0.6mm Nozzle (Volumetric Speed: 7.2 mm³/s)

Line Type	Percentage	Speed
External Perimeter	50%	21.80 mm/s
Internal Perimeters	75%	32.70 mm/s
Infill	100%	43.60 mm/s
Top/Bottom	60%	26.16 mm/s
First Layer	30%	13.08 mm/s

0.8mm Nozzle (Volumetric Speed: 12.8 mm³/s)

Line Type	Percentage	Speed
External Perimeter	50%	21.33 mm/s
Internal Perimeters	75%	32.00 mm/s
Infill	100%	42.67 mm/s
Top/Bottom	60%	25.60 mm/s
First Layer	30%	12.80 mm/s

1.0mm Nozzle (Volumetric Speed: 20.0 mm³/s)

Line Type	Percentage	Speed
External Perimeter	50%	21.05 mm/s
Internal Perimeters	75%	31.58 mm/s
Infill	100%	42.11 mm/s
Top/Bottom	60%	25.26 mm/s
First Layer	30%	12.63 mm/s

↩️ 5. Retraction Settings

🚀 IMPORTANT: Set travel speed to the maximum your machine allows (200-500mm/s). Faster movements reduce filament oozing time, minimizing stringing.

Nozzle	Distance	Speed	Z-Hop
0.4mm	1.5-3.0mm	40mm/s	0.2mm
0.6mm	1.5-3.0mm	40mm/s	0.2mm
0.8mm	2.5-3.5mm	40mm/s	0.2mm
1.0mm	2.5-3.5mm	40mm/s	0.2mm

🌡️ 6. Bed Temperature Settings

Bed Temperature:

Small parts: No heating (room temperature)
Large parts: 45-50°C

❄️ 7. Cooling Settings

Cooling Configuration:

General: 0% (fan off)
KEEP FAN ALWAYS: OFF
Force fan speed for overhangs and bridges: OFF
Layers < 8 seconds: 50% fan
First layer: Always 0%

🔧 8. Troubleshooting Guide

Problem	Solution
Irregular extrusion	1. Dry the filament 2. Check extruder 3. Reduce speed
Poor adhesion	1. Dry the filament 2. Use adhesive 3. Adjust first layer
Stringing	1. Dry the filament 2. Adjust retraction 3. Increase travel speed 4. Check temperature

✨ 9. Best Practices

🌡️ Keep filament dry - store properly and dry before use
⚙️ Preferably use direct drive extruder
🔄 Print multiple small parts simultaneously for better results
🚀 Use maximum travel speed to minimize stringing

⚠️ PLEASE NOTE: These printing parameters are initial recommendations based on our experience. They may need adjustment depending on your specific 3D printer, environmental conditions, and the geometry of the part you are printing. Use these settings as a starting point and fine-tune them according to your specific needs.

Documents

Technical Data Sheet Download TDS & MSDS

Safety & Compliance Material Safety Documentation

Skin Contact Safety Biocompatibility Information

Reach & RoHS Product Safety

Filaflex 82A

Filaflex 82A

Filaflex 82A

Key Features

Professional Applications