Spectrum Filament S-Flex 85A 250g, bloody red

Flexibility with very good impact toughness and thermal insulation
Spectrum S-Flex 85A is a filament based on thermoplastic polyether polyurethane. In the field of additive manufacturing, S-Flex 85A is a material characterized by a relatively easy and trouble-free 3D printing process. Another advantage that allows achieving a perfect print is the very good adhesion of the first layer of the printed part to the build surface regardless of whether it is made of glass, steel, plastic, or another material. Low processing shrinkage and high flexibility significantly reduce the risk of so-called edge warping of manufactured parts. The distinguishing feature in the filament name 85A 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 point of view of the 3D printing process, reduces the risk of filament deformation in the feed system leading the material to the print head. This allows slightly faster printing compared to other, more compliant elastomers.

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

Key features:
high resistance to hydrolysis
up to 650% elongation at break
Shore A hardness 85
high resistance to tearing and tension
low shrinkage
resistance to many common industrial oils and chemicals
reduced number of chains during printer idle time

Applications:
production of seals with high chemical resistance
production of objects that need to be used as energy absorbers
functional parts
all kinds of bumpers, vibration dampers
protective housings
snap-fit parts
sleeves
hinges
bumpers and flexible spacers
sealing parts with increased stiffness
spring damping elements for use in machinery manufacturing and modeling
flexible belts with high strength
covers and housings for various devices

Filament specifications:
filament diameter: 1.75 mm / 2.85 mm
extrusion temperature: 200–230 "C
bed temperature: 50–70 "C
printing speed: 20–70 mm/s

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