Spectrum Filament S-Flex 85A 500g, lion orange

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 for perfect prints is very good adhesion of the first printed layer 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 produced parts. The distinguishing feature in the filament name, 85A, refers to the material’s hardness on the Shore A scale, placing Spectrum S-Flex 85A in the category of hard elastomers. This property reduces the risk of filament deformation in the feeding system leading to the print head during 3D printing. This allows 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, sharp edge protectors), sealing and protective elements with high chemical resistance, and also thermal insulators.

Key Features:
High resistance to hydrolysis
Up to 650% elongation at break
Shore A hardness 85
High tear and tensile strength
Low shrinkage
Resistance to many common industrial oils and chemicals
Reduced chain breakage during printer idle time

Applications:
Production of seals with high chemical resistance
Manufacture of items used as energy absorbers
Functional parts
All kinds of bumpers, vibration dampers
Protective cases
Snap-fit parts
Sleeves
Hinges
Bumpers and flexible spacers
Sealing parts with increased stiffness
Spring dampers for use in machinery and modeling
Flexible straps with high strength
Covers and housings for various devices

Filament Specifications:
Filament diameter: 1.75mm / 2.85mm
Extrusion temperature: 200–230"C
Bed temperature: 50–70"C
Printing speed: 20–70mm/s

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