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TPU 85A Bedrock

Ref.: BROCK-TPU85A-NATURAL-175-750

33.71 €

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In stock 120 units available for immediate shipping.
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Approximate delivery date: Monday 1 December

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Bedrock 3D TPU 85A is a flexible TPU 85A filament that combines elasticity and strength in a single solution for functional 3D printing, and this guide covers everything you need to get the best results from it.

What makes the filament special

This Bedrock 3D flexible filament offers a hardness of Shore 85A, providing an ideal balance between structural rigidity and elasticity, perfect for high-performance flexible parts.

The formulation of Bedrock 3D TPU 85A is designed to maintain dimensional stability and consistent diameter, resulting in more reliable prints and fewer production iterations.

Key properties and performance

The TPU 85A filament stands out for its high wear and abrasion resistance, making it ideal for parts subject to continuous friction or intensive use.

In addition, Bedrock 3D TPU 85A retains flexibility at low temperatures, making it suitable for applications that require performance in cold and demanding environments.

Another advantage of Bedrock 3D flexible filament is its good chemical resistance to oils, greases, and ozone, broadening its use in industrial and automotive environments.

Its damping capability makes Bedrock 3D TPU 85A a natural choice for parts that absorb vibrations or reduce noise in mechanical assemblies.

Finally, the TPU 85A filament offers high tensile strength and tear propagation resistance, improving the durability of every printed part.

Recommended applications

In footwear and sports, Bedrock 3D TPU 85A is excellent for soles, cushioning elements, and parts that require both comfort and resistance.

In the automotive sector, this flexible TPU 85A filament is used for seals, hoses, and anti-vibration components that must withstand continuous working conditions.

For industry, agriculture, and construction, Bedrock 3D TPU 85A enables flexible parts resistant to chemical agents and mechanical wear.

Its condition as a relatively biocompatible filament also makes it suitable for parts in contact with the skin, provided each use is evaluated individually.

Quality and reliability for professional projects

Bedrock 3D TPU 85A is designed to produce final parts, not just prototypes, making it a cost-effective alternative for additive manufacturing applications with flexible TPU 85A filament.

The diameter consistency of the Bedrock 3D filament reduces rejects and facilitates repeatability in print batches, which is key in industrial projects using TPU 85A.

Its combination of damping, chemical resistance, and durability positions the Bedrock 3D flexible filament as a versatile choice for designers and manufacturers focused on performance.

Why choose Bedrock TPU 85A filament

In short, the Bedrock 3D TPU 85A flexible filament offers a balanced combination of strength, elasticity, and reliability that enables the creation of functional, durable parts in sectors such as footwear, automotive, and industry, making it an outstanding choice for those seeking to optimize flexible 3D printing processes.

General information
Material	TPU/TPE
Format	0.75 kg
Density	1.11 g/cm³
Filament diameter	1.75 / 2.85 mm
Filament tolerance	±0.05 - 0.1 mm
Filament length	(Ø 1.75 mm - 750 g) ±280.9 m / (Ø 2.85 mm - 750 g) ±105.9 m

Printing properties
Printing temperature	200 - 220 ºC
Print bed temperature	40 ºC
Chamber temperature	-
Cooling fan	✗
Recommended printing speed	15 - 40 mm/s

Mechanical properties
Izod impact strength	(ISO 180) (notched) no break KJ/m²
Charpy impact strength	(ISO 179-2) (notched) no break / (notched @ -30 ºC) 47.3 KJ/m²
Elongation at break	(ISO 527) 600 %
Tensile strength	34 MPa
Tensile modulus	(ISO 527) 20 MPa
Flexural strength	- MPa
Flexural modulus	- MPa
Surface hardness	Shore 85 A

Electrical properties
Volumetric resistivity	(IEC 62631-3-1) 2.6E+11 Ω/cm
Dielectric strength	(IEC 60243-1) 21 kV/mm

Thermal properties
Softening temperature	(ISO 306 @ 10 N) 114 ºC

Specific properties
Chemical resistance	✓

Other
HS Code	3916.9
Spool diameter (outer)	200 mm
Spool diameter (inner hole)	50.5 mm
Spool width	55 mm

To print with Bedrock 3D TPU 85A, it is recommended to use a direct-drive extruder, since the highly flexible TPU 85A filament feeds more reliably in this configuration.

The nozzle should be set between 200 °C and 230 °C to achieve stable extrusion with the Bedrock 3D flexible filament, adjusting according to printer model and speed.

The heated bed should be set between 30 °C and 60 °C to improve adhesion. Moderate print speeds (approx. 20-40 mm/s) are ideal when working with TPU 85A filament to avoid layer defects.

It is important to minimize retraction with Bedrock 3D TPU 85A because the elastic material can produce stringing; perform tests until achieving the best balance between quality and finish.

Store and dry the Bedrock 3D flexible filament in a dry, sealed container to preserve its properties and prevent printing issues caused by humidity in TPU 85A. Using filament dryers and special storage boxes ensures material quality.

Best practices and verification

Although Bedrock 3D TPU 85A provides a solid base, each printed part must be individually tested for its final use, and any critical application should be validated with mechanical and compatibility tests.

Always consult the manufacturer’s technical datasheets to confirm tolerances, chemical resistance, and drying recommendations before implementing the TPU 85A filament in production. Technical sheets, compatibility data, and printing profiles are available under the Attachments tab.