SPECTRUM Filament TPU S-Flex 85A White 0.5kg 1.75mm, 36.50 CHF

Spectrum TPU S-Flex 85A 1.75mm 0.5kg

Flexibility with excellent impact resistance and thermal insulation

Spectrum S-Flex 85A is a thermoplastic polyether polyurethane-based filament. In the context of additive manufacturing, S-Flex 85A is a material characterized by a relatively easy and error-free 3D printing process. An additional advantage that enables perfect printing is the excellent adhesion of the first layer of the printed part to the workspace, regardless of whether it is made of glass, steel, plastic or other material.

The low processing shrinkage and high flexibility significantly reduce the risk of so-called edge curling of produced parts. The distinguishing feature of the 85A filament name refers to the hardness of the material on the Shore scale and classifies Spectrum S-Flex 85A in the category of hard elastomers. This property, from the perspective of the 3D printing process, reduces the risk of filament deformation in the insertion system that brings the material to the print head. This allows for slightly faster printing than other more compact elastomers.

Parts made with Spectrum S-Flex 85A feature very high resistance to hydrolysis (a type of degradation caused by the presence of water), good recyclability, and excellent resistance to dynamic forces. Thanks to these properties, it is possible to 3D print parts that protect surfaces exposed to impacts (bumpers, sharp edge protectors), sealing and protective elements with high chemical resistance, as well as thermal insulators.

The filament is delivered vacuum sealed & reeled on a transparent spool.

Print Parameters

Name	Value
Nozzle temperature	200-230°C
Bed temperature	50-70°C
Printing speed	20-70 mm/s
Heated chamber	Not necessary
Verify your spool	YES (course of diameter – online graph - on the entire length of the spool, mean diameter, ovality, standard deviation individually for each manufactured spool)

Key features

high resistance to hydrolysis
up to 650% elongation at break
Shore-A hardness of 85
high tensile and tear resistance
low shrinkage
resistance to many common industrial oils and chemicals
reduced stringing while the printer is running idle

Applications

manufacturing of seals with a high chemical resistance
production of items, which has to be used as energy adsorbents
functional parts
all kinds of bumpers, vibration dampers
guides
protective cases
snap-fit parts
sleeves
hinges
bumpers and flexible spacers,
sealing parts with increased stiffness,
spring-damping elements for use in machine production and modeling,
flexible bands with high strength,
covers and housings for various devices,

Storage
Cool and dry (15-25°C) and away from UV light. This enhances the shelf life significantly.

Each desktop 3D printer has its own unique characteristics, you might need to tweak around with your temperature settings a bit to obtain the best results. To obtain optimal results for your prints you need to take into account variables like your 3D printer’s nozzle diameter, your printing speed settings, and layer height.

Material:	TPU (FLEX)
Features:	Flexible
Printing technology:	FDM
Brands:	Spectrum Filaments
Filament diameter:	1.75mm
Color:
Flex Shore Hardness:	85 A
Weight:	500g
Shipping weight:	1,00 kg

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