PP3D
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PP3D Polypropylene, developed in collaboration with Repsol, represents a breakthrough in 3D printing materials. This high-quality thermoplastic polymer benefits from Repsol's extensive expertise in polyolefin manufacturing, delivering exceptional fatigue resistance, high toughness, and low friction coefficient. Each spool comes with a specialized adhesion primer that enables strong bed adhesion at just 40°C on glass surfaces, effectively eliminating warping issues.
What sets PP3D apart is its injection-molding-like finish that minimizes visible layer lines, resulting in professional-grade parts with exceptional surface quality. The material is non-toxic, autoclavable, and food-safe, making it perfect for end-use applications. Its outstanding chemical resistance and mechanical properties make it ideal for functional prototypes and industrial components that require reliability and durability.
⚠️ Important Shipping Notice for International Orders (Outside Spain): Due to air transport restrictions and customs regulations, the adhesive/primer included with our PP3D filament will not be shipped with orders sent by air outside of Spain — this includes destinations such as the USA, Canada, Asia, and other non-EU countries. We have encountered issues in the past with customs clearance for this type of chemical product, and to avoid delays or returns, we are unable to include it in international air shipments. If you require the primer or have any questions about alternative solutions, please contact us in advance through our contact form. We’ll be happy to assist you.
Key Features
- Superior Finish: Injection-molding-like quality Pro-Grade
- Enhanced Adhesion: Includes specialized primer
- Wide Resistance: Chemical, thermal, and mechanical
- Food Safe: Suitable for food contact applications
- Versatile Use: Autoclavable and low friction
Professional Applications
- Fluid Containers: Bottles and liquid-tight enclosures
- Industrial Parts: High electrical resistance components
- Chemical Storage: Acid and solvent resistant containers
- Mechanical Parts: Low friction and heat resistant components
- Food Industry: Food-safe containers and tools
Product Videos
Complete Technical Printing Guide - PP3D
🌡️ 1. Material Preparation
Filament Drying (CRUCIAL):
- 📏 Temperature: 50°C
- ⏱️ Minimum time: 4-6 hours
- 💡 Proper drying is essential for optimal printing results and to prevent moisture-related issues
⚡ 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 PP3D
Polypropylene (PP3D) is a semi-crystalline polymer known for its excellent chemical resistance, fatigue resistance, and good electrical insulation properties. Its low density and high flexibility make it ideal for living hinges and durable parts.
| Nozzle | Layer Height | Line Width | Volumetric Speed | Temperature |
|---|---|---|---|---|
| 0.4mm | 0.2mm | 0.42mm | 5.0 mm³/s | 240°C |
| 0.6mm | 0.3mm | 0.62mm | 16.2 mm³/s | 242°C |
| 0.8mm | 0.4mm | 0.82mm | 28.8 mm³/s | 245°C |
| 1.0mm | 0.5mm | 1.02mm | 45.0 mm³/s | 248°C |
🚀 4. Speed Settings
⚠️ NOTE: PP3D benefits from consistent speeds to maintain uniform crystallization and prevent warping. The following speeds are calculated based on the volumetric speeds listed in the basic parameters section.
0.4mm Nozzle (Volumetric Speed: 5.0 mm³/s)
| Line Type | Percentage | Speed |
|---|---|---|
| External Perimeter | 50% | 29.76 mm/s |
| Internal Perimeters | 75% | 44.64 mm/s |
| Infill | 100% | 59.52 mm/s |
| Top/Bottom | 60% | 35.71 mm/s |
| First Layer | 30% | 17.86 mm/s |
0.6mm Nozzle (Volumetric Speed: 16.2 mm³/s)
| Line Type | Percentage | Speed |
|---|---|---|
| External Perimeter | 50% | 43.55 mm/s |
| Internal Perimeters | 75% | 65.32 mm/s |
| Infill | 100% | 87.10 mm/s |
| Top/Bottom | 60% | 52.26 mm/s |
| First Layer | 30% | 26.13 mm/s |
0.8mm Nozzle (Volumetric Speed: 28.8 mm³/s)
| Line Type | Percentage | Speed |
|---|---|---|
| External Perimeter | 50% | 43.90 mm/s |
| Internal Perimeters | 75% | 65.85 mm/s |
| Infill | 100% | 87.80 mm/s |
| Top/Bottom | 60% | 52.68 mm/s |
| First Layer | 30% | 26.34 mm/s |
1.0mm Nozzle (Volumetric Speed: 45.0 mm³/s)
| Line Type | Percentage | Speed |
|---|---|---|
| External Perimeter | 50% | 44.12 mm/s |
| Internal Perimeters | 75% | 66.18 mm/s |
| Infill | 100% | 88.24 mm/s |
| Top/Bottom | 60% | 52.94 mm/s |
| First Layer | 30% | 26.47 mm/s |
↩️ 5. Retraction Settings
🚀 IMPORTANT: PP3D requires precise retraction settings to prevent stringing while maintaining consistent flow. Lower retraction speeds help prevent filament grinding, while Z-hop helps prevent nozzle marks and improves overall print quality.
| Nozzle | Distance | Speed | Z-Hop |
|---|---|---|---|
| 0.4mm | 0.8-1.2mm | 30mm/s | 0.2mm |
| 0.6mm | 0.8-1.2mm | 30mm/s | 0.2mm |
| 0.8mm | 0.8-1.2mm | 30mm/s | 0.2mm |
| 1.0mm | 0.8-1.2mm | 30mm/s | 0.2mm |
Additional Retraction Recommendations:
- Minimum Travel for Retraction: 1.5mm
- Maximum Retraction Count: 100
- Minimum Extrusion Between Retractions: 1mm
- Retract on Layer Change: Yes
- Wipe Before Retraction: Yes
🌡️ 6. Bed Temperature Settings
Print Surface Requirements:
- Recommended surface: Clean glass bed + PP3D Primer
- First Layer Temperature: 40°C with PP3D Primer
- Removal Temperature: 85°C
- Chamber Temperature (if available): Room temperature with no drafts
How to Use Recreus' PP3D Primer
Step-by-Step Application Guide:
- Open PP3D Primer bottle
- Apply directly to print area
- Ensure even coverage
- Wait minimum 5 minutes
- Allow primer to dry completely
- Avoid touching prepared surface
- Set bed temperature to 40°C
- Maintain this temperature during printing
- Do not exceed 40°C to prevent deformation
- After print completion, heat bed to 85°C
- Remove part carefully
- Let bed cool before next application
- Clean residue with Sanytol or acetone
- Store primer bottle tightly sealed
- We recommend to use a dedicated buildplate for Polypropylene printing
Step 1 - APPLY
Step 2 - DRY
Step 3 - HEAT
Step 4 - REMOVE
Cleaning & Maintenance
❄️ 7. Cooling Settings
Cooling Configuration:
- First Layer: 0% (fan off)
- General Printing: 0% base fan speed
- Layers < 10 seconds: 30% fan speed
- Minimum Layer Time: 10 seconds
- Keep Fan Always On: OFF
- Force Fan Speed for Overhangs: OFF
- Bridge Fan Speed: 30%
- Maximum Fan Speed: 30%
- Minimum Layer Time: 10 seconds
- PP3D requires minimal cooling for optimal layer adhesion
- Only use cooling for bridges and overhangs
- Gradual fan speed introduction helps prevent warping
- Enclosed chamber helps maintain consistent temperature
Base Fan Settings:
Advanced Settings:
Layer Time Goals:
Critical Considerations:
Temperature Control Tips:
- Keep printer in draft-free environment
- Use enclosure if available to maintain stable temperature
- Monitor first few layers closely for proper adhesion
- Adjust fan speed based on part geometry and size
🔧 8. Troubleshooting Guide
| Problem | Solution |
|---|---|
| Poor Bed Adhesion | 1. Clean build plate thoroughly 2. Reapply fresh PP3D Primer 3. Verify bed temperature is exactly 40°C 4. Increase first layer width (110%) 5. Reduce first layer speed |
| Warping | 1. Use enclosure if possible 2. Eliminate all drafts 3. Ensure fan is OFF for first layers 4. Add brim or raft 5. Verify proper primer application |
| Under-extrusion | 1. Increase printing temperature by 5°C 2. Check for partial nozzle clog 3. Reduce print speed 4. Verify filament is dry 5. Increase flow rate by 2-3% |
| Stringing | 1. Fine-tune retraction settings 2. Ensure filament is properly dried 3. Optimize travel moves 4. Enable z-hop for travel moves 5. Lower printing temperature 2-3°C |
| Layer Separation | 1. Increase printing temperature 2. Reduce cooling fan speed 3. Lower print speed 4. Check for drafts 5. Ensure proper layer height |
| Rough Surface Finish | 1. Check for moist filament 2. Reduce printing temperature 3. Optimize retraction settings 4. Slow down outer perimeter speed 5. Verify nozzle condition |
Common PP3D Print Issues Prevention:
- Always store PP3D in airtight container with desiccant
- Pre-heat filament at 50°C for 4-6 hours if stored improperly
- Regular maintenance of nozzle and print surface
- Check bed leveling before each print
- Monitor first layer adhesion carefully
✨ 9. Best Practices
- Clean glass bed (recommended)
- PP3D Primer (essential)
- Enclosed chamber (recommended)
- Standard brass nozzle (suitable)
- Direct drive or bowden setup (both compatible)
- Store in sealed bag with desiccant
- Keep humidity levels below 40%
- Avoid direct sunlight exposure
- If needed, dry at 50°C for 1-2 hours
- Handle spools carefully to prevent tangling
- Always use fresh PP3D Primer application
- Level bed while at printing temperature
- Start with small test prints
- Print first layer slower for better adhesion
- Use brim for larger parts
- Enable Z-hop for travel moves
- Allow parts to cool completely before removal
- Heat bed to 85°C for easy part removal
- Clean build plate between prints
- Remove support structures with the help of heatgun(recommended)
🛠️ Hardware Requirements
🌡️ Material Care
⚙️ Print Setup
🎯 Quality Optimization
🔬 Post-Processing
⚠️ IMPORTANT NOTE: PP3D is an engineering-grade material that requires proper handling and printing conditions. While it's forgiving compared to other engineering materials, following these best practices will ensure optimal print quality and part performance. Always perform test prints before critical productions.
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