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🖤 Flex your creativity with Siraya Tech Flex TPU 85A — where speed meets strength!
Siraya Tech Flex TPU 85A is a premium black thermoplastic polyurethane filament designed for 3D printing projects requiring exceptional flexibility and durability. With a Shore hardness of 85A, it offers softer, more elastic prints than typical 95A TPU filaments. Its high flow formulation enables faster printing speeds, optimized for direct drive extruders. The filament is ISO 10993 biocompatibility tested, ensuring safety for medical and wearable applications. Packaged in moisture-resistant resealable aluminum bags, it maintains print quality for up to 3 years. Ideal for professionals and enthusiasts creating flexible, durable parts like custom footwear, seals, and protective cases.















| ASIN | B0CP213ZMG |
| Additional Features | High flexibility and toughness, ISO 10993 tested, high flow and speed, durable quality with special packaging, versatile for various applications |
| Brand | Siraya Tech |
| Brand Name | Siraya Tech |
| Color | 38a black |
| Colour | 38a black |
| Customer Reviews | 4.5 out of 5 stars 364 Reviews |
| EU Spare Part Availability Duration | 3 Years |
| Item Diameter | 1.75 Millimeters |
| Item Weight | 1 Kilograms |
| Item diameter | 1.75 Millimeters |
| Item weight | 1 Kilograms |
| Manufacturer | Siraya Tech |
| Manufacturer Part Number | Flex TPU 85A Black 1kg |
| Material | Thermoplastic Polyurethane |
| Material Type | Thermoplastic Polyurethane |
| Number of Items | 1 |
| Special features | High flexibility and toughness, ISO 10993 tested, high flow and speed, durable quality with special packaging, versatile for various applications Special features High flexibility and toughness, ISO 10993 tested, high flow and speed, durable quality with special packaging, versatile for various applications See more |
| Unit Count | 1000.0 Grams |
D**E
Good filament but...
The filament itself is great, but it was a terrible idea to put such a difficult to feed filament on a cardboard spool. My spool was very minorly damaged, so the filament wasn't feeding properly from my Creality Space Pi drier, so I had to reload it onto a spare plastic spool I had.
D**E
Very soft, won't print on just any machine but very nice filament!
This is very soft TPU, ideal for stuff like rubber seals and rc car tyres. It is smooth and shiny and has an impressive amount of strength. It can be stretched quite a lot, you have to work quite hard to tear it so I feel that it could be a long lasting material for seals and tyres etc. A word of caution - this will not work in all machines. Its so soft that to get it to feed into the extruder I had to bypass the Bowden tube altogether as it creates too much friction. On my Creality K1 Max I can remove the top so I fed it directly into the extruder and left the top off of the machine. You then have to release the tension on the filament as it enters the extruder or it will crush the filament and jam up before it even enters. If you have anything other than a direct drive extruder forget it. You just can't push this stuff through Bowden tube it physically won't go. Dual extruder is a MASSIVE advantage. If you have the ability to extrude both this and PETG/PLA at the same time then youre laughing. Use the PETG/PLA for the support structure and print the object on top of that. Printing a support structure made of this TPU and then the model on top won't work, you won't get the two apart without a fight I promise you. All that aside it is really good filament so ill be ordering this again in the future.
L**Y
S'imprime très bien sur une K1 MAX à 30mm/s
Siraya Tech Flex TPU 85A : Un TPU 85A exceptionnel ! Je suis extrêmement satisfait de ce filament Siraya Tech Flex TPU 85A. C'est un excellent choix pour quiconque cherche un matériau à la fois souple et résistant. Qualité d'impression et Compatibilité Le niveau de flexibilité (dureté 85A) est parfait pour des pièces nécessitant une bonne élasticité sans être trop "mou" à l'impression. J'ai obtenu de très bons résultats en l'utilisant sur mon imprimante Creality K1 Max. Il s'imprime étonnamment bien, même à une vitesse de 30 mm/s pour le remplissage, avec une adhérence entre les couches remarquable et des impressions propres et fiables. C'est un excellent point pour un filament flexible ! Conseil d'utilisation : L'importance du séchage Un point crucial à noter pour réussir vos impressions : ce TPU, comme beaucoup de flexibles, est très sensible à l'humidité. Il est impératif de s'assurer que le filament est parfaitement sec avant et pendant l'utilisation. J'ai dû le passer au sèche-filament pour obtenir des performances optimales. Si le filament n'est pas sec, vous risquez d'avoir des bulles, des défauts de surface et une mauvaise extrusion. Une fois sec, il s'imprime à merveille. Verdict C'est un TPU que je recommande vivement, en particulier aux utilisateurs d'imprimantes rapides comme la K1 Max, à condition de faire très attention à son séchage. La qualité Siraya Tech est au rendez-vous. C'est un excellent rapport qualité-prix pour des pièces techniques ou des prototypes souples !
C**W
Smooth TPU
Best TPU hands down. Prints with excellent consistency and the feel of the finished prints is excellent. Recommend going a bithotter thanthe 230 on the roll, sticks well to a warm bed. 10/10 will buy again
2**マ
85Aショアとは思えない柔軟さ。医療用途対応の実力派TPU
"# Siraya Tech Flex TPUフィラメント レビュー 3Dプリンターで柔軟性が必要な部品を自作したいと考え、複数のTPU製品を検討した結果こちらを選択しました。NinjaTek Cheetahと迷いましたが、ISO 10993認証と高流量対応という仕様に魅力を感じました。 実際に2ヶ月間毎日のように使用して驚いたのは、85Aショアという硬度の割に非常にしなやかで、クッション性に優れている点です。靴のインソール代わりになる保護具を複数製作しましたが、素足で触った時の肌触りが良く、繰り返し曲げても劣化が見られません。印刷時の安定性も良好で、詰まりのトラブルがほぼありませんでした。アルミバッグの密閉性も実感でき、開封から2ヶ月経った今も吸湿の心配がありません。 ただし、印刷速度は通常のPLAより落とす必要があり、私の環境では40mm/s程度が限界でした。急ぎの案件には向きません。 柔軟性と耐久性の両立が必須な日用品や保護具の自作を考えている方に、強くおすすめできる製品です。一方、速度重視や複雑な細部表現が必要な用途には不向きかもしれません。"
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