Filaflex Foamy is a breakthrough TPU filament featuring dynamic foaming technology, designed to create lightweight, elastic parts with reduced density. This innovative filament includes a unique foaming agent that activates at high temperatures, producing prints with a distinctive foamy texture while enhancing material efficiency. With an initial Shore hardness of 78A that can be adjusted down to 51A, it offers exceptional versatility in hardness and density control.

The material's properties can be fine-tuned through printing parameters, with temperatures of 245-250°C and 60-70% flow rate achieving 1.4-1.6 times volume expansion. This adaptability not only allows for customization of physical properties but also enables color tone variation based on temperature settings. The efficient material usage provides 30-40% more prints per spool, making it ideal for high-volume production while maintaining excellent flexibility and durability.

Key Features

Dynamic Foaming: Lightweight parts with adjustable density
Flexible Hardness: Adjustable from 78A to 51A Shore
Enhanced Efficiency: Up to 40% more prints per spool
Color Control: Adjustable tones through temperature
Versatile Properties: Customizable expansion and texture

Professional Applications

Footwear Innovation: Complete shoes, insoles, and soles
Cycling Components: Lightweight grips and seats
Automotive Parts: Cushioning elements and gaskets
Protection Equipment: Impact-absorbing pads and gear
Sound Management: Acoustic damping components

Discover how dynamic foaming technology works

Filaflex Foamy in Action

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Printing Parameters

Complete Technical Printing Guide - FILAFLEX FOAMY

🌡️ 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 FOAMY

This material contains a foaming agent that activates during printing, causing the material to expand when heated. At 100% flow, the line width expands approximately 37.5% more than the nozzle diameter. To achieve the desired line width, flow rate must be reduced to compensate for this expansion.

🎨 COLOR AND FOAMING EFFECT: The material becomes lighter in color as foaming increases. Higher temperatures and lower flow rates will result in more foaming and consequently lighter coloring. This effect is normal and indicates proper activation of the foaming agent.

Nozzle	Layer Height	Line Width at 100% Flow	Optimized Flow for 0.4mm Line Width	Volumetric Speed	Temperature
0.4mm	0.2mm	0.55mm	75%	3.5 mm³/s	248°C
0.6mm	0.3mm	0.825mm	75%	7.9 mm³/s	248°C
0.8mm	0.4mm	1.1mm	75%	14.0 mm³/s	250°C
1.0mm	0.5mm	1.375mm	75%	21.9 mm³/s	252°C

🎯 Advanced Weight Reduction & Foaming Control

Further Weight Optimization:

Flow rate can be reduced to 60% to achieve maximum weight reduction
Lower volumetric speed allows more time for the foaming agent to activate during extrusion

Fine-tuning Guidelines:

The optimal balance between flow rate and volumetric speed depends on:
- Your specific printer's characteristics
- Part geometry and requirements
- Desired level of foaming effect
Start with our recommended settings (75% flow) and gradually adjust:
- Reduce flow rate in 5% increments (down to 60%)
- Decrease volumetric speed by 10-15% to allow more foaming time
- Monitor line width consistency and material color change

⚠️ Important Consideration: Lighter material color indicates increased foaming activation. Aim for consistent color throughout your print to ensure uniform material properties.

🚀 4. Speed Settings

⚠️ NOTE: All speeds are calculated considering the expanded line width and optimized flow rate (75%) to ensure proper material behavior.

0.4mm Nozzle (Volumetric Speed: 3.5 mm³/s)

Line Type	Percentage	Speed
External Perimeter	50%	15.91 mm/s
Internal Perimeters	75%	23.86 mm/s
Infill	100%	31.82 mm/s
Top/Bottom	60%	19.09 mm/s
First Layer	30%	9.55 mm/s

0.6mm Nozzle (Volumetric Speed: 7.9 mm³/s)

Line Type	Percentage	Speed
External Perimeter	50%	15.96 mm/s
Internal Perimeters	75%	23.94 mm/s
Infill	100%	31.92 mm/s
Top/Bottom	60%	19.15 mm/s
First Layer	30%	9.58 mm/s

0.8mm Nozzle (Volumetric Speed: 14.0 mm³/s)

Line Type	Percentage	Speed
External Perimeter	50%	15.91 mm/s
Internal Perimeters	75%	23.86 mm/s
Infill	100%	31.82 mm/s
Top/Bottom	60%	19.09 mm/s
First Layer	30%	9.55 mm/s

1.0mm Nozzle (Volumetric Speed: 21.9 mm³/s)

Line Type	Percentage	Speed
External Perimeter	50%	15.93 mm/s
Internal Perimeters	75%	23.89 mm/s
Infill	100%	31.85 mm/s
Top/Bottom	60%	19.11 mm/s
First Layer	30%	9.56 mm/s

↩️ 5. Retraction Settings

🚀 IMPORTANT: Due to the foaming nature of this material, stringing will be more pronounced than with standard TPU. Set travel speed to maximum (200-500mm/s) and ensure proper retraction settings to minimize stringing.

Nozzle	Distance	Speed	Z-Hop
0.4mm	2.5-5.0mm	65mm/s	0.2mm
0.6mm	2.5-5.0mm	65mm/s	0.2mm
0.8mm	2.5-5.0mm	65mm/s	0.2mm
1.0mm	2.5-5.0mm	65mm/s	0.2mm

🌡️ 6. Bed Temperature Settings

Bed Temperature:

Small parts: No heating (room temperature)
Large parts: 50-55°C

❄️ 7. Cooling Settings

Cooling Configuration:

General: 0% (fan off)
KEEP FAN ALWAYS: OFF
Force fan speed for overhangs and bridges: OFF
Layers < 10 seconds: 40% fan
First layer: Always 0%

🔧 8. Troubleshooting Guide

Problem	Solution
Excessive expansion	1. Reduce temperature 2. Increase flow rate 3. Check actual line width
Insufficient foaming	1. Increase temperature 2. Decrease flow rate 3. Ensure proper drying
Excessive stringing	1. Increase travel speed 2. Optimize retraction 3. Reduce temperature if possible

✨ 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

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