Spectrum Filament S-Flex 85A 500g, 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 enabling the achievement of 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 other materials. Low processing shrinkage and high flexibility significantly reduce the risk of so-called warping of the edges 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 as a hard elastomer. This property, from the perspective of the 3D printing process, reduces the risk of filament deformation in the feeding system that guides the material to the print head. This allows for slightly faster printing compared to other, more compliant elastomers.

Parts made from Spectrum S-Flex 85A are characterized by 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, edge protectors), sealing and protective elements with high chemical resistance, and also thermal insulators.

Key properties:
High resistance to hydrolysis, up to 650% elongation at break, Shore-A hardness 85, high resistance to tearing and tensile forces, low shrinkage, resistance to many common industrial oils and chemicals, reduced chain breakage during printer inactivity.

Applications:
Production of seals with high chemical resistance, manufacturing of objects used as energy absorbers, functional parts, all types 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. Print speed: 20–70 mm/s.

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