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eSUN TPU-95A White Flexible TPU Filament 1 kg with Plastic Roll eSUN TPU-95A White is a white flexi...
eSUN TPU-95A Filament for Flexible and Elastic 3D Printing
eSUN TPU-95A is a flexible thermoplastic polyurethane filament for FDM/FFF 3D printing with Shore 95A hardness. The material is designed for parts that require elasticity, high resilience, deformation resistance, wear resistance, tear resistance and durability. TPU-95A is suitable for phone cases, dampers, gaskets, protective pads, flexible mounts, insoles, straps, shock-absorbing parts, footwear components, sporting goods, electronic parts, automotive prototypes, conveying pipeline elements and functional models that need to bend and return to shape.
In eSUN content, the material may appear as TPU-95A or eTPU-95A. For product pages and category content, these names can be treated as the same product line unless another modification is specified. The main difference between TPU-95A and regular PLA, PETG or ABS is that TPU is not a rigid plastic but an elastomer: the printed part can be compressed, bent, stretched and used where rubber-like behavior is required.
TPU-95A is one of the most practical flexible materials for 3D printing because Shore 95A gives a useful balance between flexibility and printability. It is much more flexible than PLA or PETG, but easier to print than very soft TPU/TPE materials with lower hardness.
What Is TPU-95A
TPU means thermoplastic polyurethane. It is a flexible material that combines properties of plastic and rubber: it can be melted and printed on an FDM/FFF 3D printer, while the final part remains elastic, resilient and able to return to its original shape after deformation.
The 95A marking indicates Shore A hardness. The lower the number, the softer the material; the higher the number, the harder it is. TPU-95A is in a convenient range: flexible enough for cases, gaskets, dampers and soft technical parts, yet firm enough to feed more reliably than softer TPU/TPE filaments.
Main Advantages of eSUN TPU-95A
- Shore 95A hardness: good balance between flexibility and ease of printing.
- High elasticity: printed parts can bend and return to shape.
- High elongation at break: suitable for parts working under stretching and bending.
- Deformation resistance: TPU-95A parts do not crack as easily as rigid PLA parts.
- Wear resistance: useful for parts that contact hands, surfaces, belts or soft loads.
- Tear and cut resistance: important for gaskets, protective elements, straps and dampers.
- High impact resistance: TPU absorbs impact and vibration well.
- Good layer bonding: with correct temperature, layers bond well, which is critical for flexible parts.
- Wide color selection: basic, natural, rainbow and transparent color options are available.
eSUN TPU-95A Colors
eSUN TPU-95A is available in basic, natural, rainbow and transparent colors. Availability may vary by region and supply batch. For a category page, list the main official store colors and mention that some additional shades may depend on the current shipment.
| Official Color | Description | Visual Character | Best Applications |
|---|---|---|---|
| Black | Black | Universal technical color, hides wear marks well | Cases, gaskets, dampers, technical parts, automotive elements |
| Grey | Grey | Neutral technical shade | Prototypes, industrial parts, holders, protective elements |
| White | White | Light color for marking, painting and demonstration models | Medical mockups, prototypes, light accessories, paint-ready parts |
| Natural | Natural / translucent | Milky translucent or natural technical look | Gaskets, dampers, technical parts, wall inspection |
| Rainbow | Rainbow | Decorative color transition | Accessories, toys, straps, decorative flexible models |
| Transparent Yellow | Transparent yellow | Bright transparent color | Signal elements, accessories, soft decorative parts |
| Transparent Orange | Transparent orange | Warm transparent shade | Protective pads, sporting goods, visual elements |
| Transparent Red | Transparent red | Red transparent shade | Signal parts, decorative elements, cases, marking |
| Transparent Blue | Transparent blue | Cool transparent shade | Cases, accessories, electronic prototypes, decorative parts |
| Transparent Green | Transparent green | Bright transparent green shade | Marking, accessories, toys, soft decorative models |
| Transparent Purple | Transparent purple | Decorative transparent purple tone | Accessories, straps, decorative flexible parts |
| Transparent Pink | Transparent pink | Soft decorative transparent color | Cases, keychains, accessories, toys, straps |
Applications of eSUN TPU-95A
TPU-95A is chosen for parts that must work as flexible, resilient or shock-absorbing elements. It is especially useful where PLA, PETG or ABS are too rigid and may crack, break or fail to provide damping.
Phone Cases and Protective Pads
TPU-95A is suitable for phone cases, protective pads, corner bumpers, soft covers, protective frames and parts that must absorb impact.
Gaskets and Seals
The material can be used for soft gaskets, sealing inserts, vibration isolators, dampers, soft washers and parts that compensate gaps or reduce vibration. For sealing applications, always test the exact geometry, print density and chemical compatibility.
Insoles and Footwear Components
TPU-95A is suitable for insoles, inserts, cushioning zones, soft footwear elements and orthopedic prototypes. Its resilience allows it to take pressure and partially return to shape after loading.
Straps and Wearable Accessories
TPU-95A can be used for straps, bracelets, flexible fasteners, wearable accessories and elements that contact hands or the body.
Automotive and RC Parts
The material is suitable for soft mounts, dampers, protective pads, cable holders, gaskets, bump stops, shock-absorbing components and automotive or RC prototypes.
Sporting Goods and Household Accessories
TPU-95A can be used for protective pads, soft grips, cushioning inserts, sporting accessories, straps, holders, anti-stress models, keychains, non-slip feet and cable organizers.
Technical Specifications of eSUN TPU-95A
| Parameter | Value | Comment |
|---|---|---|
| Material type | TPU / Thermoplastic Polyurethane | Flexible thermoplastic polyurethane |
| Commercial name | TPU-95A / eTPU-95A | Both names may appear in eSUN materials |
| Hardness | Shore 95A | Flexible but firm enough for more reliable feeding |
| Diameter | 1.75 mm | Compatible with many modern FDM/FFF 3D printers |
| Spool weight | 1 kg | Standard spool for regular printing |
| Density | 1.21 g/cm³ | According to eTPU-95A TDS |
| Melt Flow Index | 1.2 g/10 min at 190 °C / 2.16 kg | Indicates melt behavior |
| Tensile Strength | 35 MPa | Good value for a flexible material |
| Elongation at Break | ≥800 % | Key indicator of TPU-95A elasticity |
⚙️ Recommended Printing Parameters
| Parameter | Recommendation | Comment |
|---|---|---|
| Nozzle temperature | 220–250 °C | Start around 230–235 °C for an initial profile |
| Bed temperature | 45–60 °C | Helps first-layer adhesion |
| Print speed | 20–50 mm/s | Flexible materials benefit from slower printing |
| Bowden speed | 20 mm/s or lower | Especially important for long filament paths |
| Fan speed | 100 % | Helps overhang and surface quality |
| Nozzle | 0.4 mm | Universal option for most applications |
| Perimeter shells | 4 | More walls make the part stiffer |
| Infill | 20 % starting point | Lower infill means softer parts; higher infill means stiffer parts |
| Drying | 55 °C for more than 4 hours | Recommended for better print quality |
| Extruder | Short-path direct drive / dual-gear feeding | Best choice for TPU and other flexible materials |
How to Control Part Flexibility
Even though the filament has Shore 95A hardness, the final flexibility of a printed part depends on model geometry and slicer settings. A thin wall with low infill will feel soft, while a massive part with many perimeters can feel almost rigid.
| Setting | Effect on Part | Best Use |
|---|---|---|
| Fewer walls | Softer part | Cases, soft pads, flexible covers |
| More walls | Stiffer and stronger part | Dampers, mounts, technical elements |
| Low infill | More flexibility and compression | Cushioning inserts, insoles, soft gaskets |
| High infill | Less compression and higher load resistance | Supports, bump stops, dampers, functional parts |
TPU-95A Compared with Other eSUN Flexible Materials
| Material | Type | Character | When to Choose |
|---|---|---|---|
| TPU-95A | Flexible TPU | Balance of flexibility, resilience and printability | Cases, gaskets, dampers, insoles, straps, soft technical parts |
| TPU-85A / TPU-87A | Softer TPU | Softer and more elastic than TPU-95A | Soft pads, flexible accessories, higher-deformation parts |
| TPU-64D | Harder TPU on Shore D scale | More rigid than Shore A TPU | More rigid technical parts |
| TPE-83A | Soft thermoplastic elastomer | Softer and more rubber-like than TPU-95A | Soft products, anti-slip parts, flexible pads |
| PEBA-90A / PEBA-85A | Elastic PEBA | High rebound and good shape recovery | Sporting elements, wearable parts, cushioning |
| TPU-LW / PEBA-LW | Lightweight elastic materials | Flexibility with lower weight | Light dampers, sports elements, footwear components |
3D Printer Compatibility
eSUN TPU-95A in 1.75 mm diameter is compatible with many FDM/FFF 3D printers, but results strongly depend on the extruder design. The material prints best on direct drive printers with a short filament path. Bowden printing is possible, but usually requires lower speed, reduced retraction and very smooth filament feeding.
- Direct Drive: best option for TPU-95A.
- Bowden: possible, but speed should be reduced to 20 mm/s or lower.
- Dual-gear extruder: helps feed flexible filament more reliably.
- Enclosure: not required.
- 0.4 mm nozzle: universal starting point.
- 0.6 mm nozzle: useful for larger soft parts and more stable feeding.
Storage and Drying Recommendations
TPU is moisture-sensitive. If the spool remains open for a long time, print quality may degrade: bubbles, popping, stringing, rough surface, weaker layer bonding and unstable flow can appear.
- Store the spool in a sealed bag or dry container.
- Use silica gel or another desiccant.
- Do not leave TPU open for several days in a humid room.
- Before important prints, dry the material at 55 °C for more than 4 hours.
- For long prints, use a filament dryer or dry box.
- After printing, return the spool to dry storage.
Common TPU-95A Printing Problems and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| Filament buckles in extruder | Speed too high, long path, too much pressure | Lower speed, reduce idler pressure, use direct drive |
| Too much stringing | Wet material, high temperature, wrong retraction | Dry the spool, lower temperature, reduce retraction |
| Bubbles and popping | Moisture in filament | Dry at 55 °C for more than 4 hours |
| Part is too soft | Too few walls, low infill, thin geometry | Increase wall count, infill and wall thickness |
| Part is too stiff | Too many walls or high infill | Reduce walls, infill or change geometry |
📄 File Download: technical files and certificates
- Parameters for Bambu Lab & Creality
- TDS / Technical Data Sheet
- MSDS / SDS
- REACH
- RoHS
- EU Food Contact Safety
- EN71
- FDA
FAQ About eSUN TPU-95A
Is eSUN TPU-95A a flexible filament?
Yes. TPU-95A is a flexible thermoplastic polyurethane filament with Shore 95A hardness. It is suitable for cases, gaskets, dampers, insoles, straps and other elastic parts.
Are TPU-95A and eTPU-95A the same?
Both names appear in eSUN materials. For product and category pages, they can be treated as the same product line unless another modification is specified.
What colors are available for eSUN TPU-95A?
Main colors include Black, Grey, White, Natural, Rainbow, Transparent Yellow, Transparent Orange, Transparent Red, Transparent Blue, Transparent Green, Transparent Purple and Transparent Pink. Additional shades may depend on region and supply.
Can TPU-95A be printed on a Bowden printer?
Yes, but it is more difficult. Reduce speed to 20 mm/s or lower, reduce retraction and make sure the filament does not buckle in the feeding path.
Does TPU-95A need drying?
Yes. For best quality, dry the material at 55 °C for more than 4 hours, especially if the spool has been open for a long time.