Technical Specifications
Cheetah 3D Printing Filament
Flexible Polyurethane Material for FDM Printers
Cheetah flexible filament is the fastest and easiest to print flexible filament on the market. The focus in development
of this material was on optimizing the user experience. The result is a filament that is printable across all types of
desktop 3D printers at ABS and PLA speeds, many times twice the speed of other flexible materials on the market.
General Properties Test Method Imperial Metric
Specific Gravity ASTM D792 1.22 g/cc 1.22 g/cc
Moisture Absorption - 24 hours ASTM D570 0.18 % 0.18 %
Mechanical Properties
Tensile Strength, Yield ASTM D638 1,250 psi 9 Mpa
Tensile Strength, Ultimate ASTM D638 5,650 psi 39 Mpa
Tensile Modulus ASTM D638 3,800 psi 26 Mpa
Elongation at Yield ASTM D638 55% 55%
Elongation at Break ASTM D638 580% 580%
3 3 6
Toughness (integrated stress-strain curve; calculated stress x strain) ASTM D638 17,000 inlbF/in 117.2 m*N/m x10
Hardness ASTM D2240 95 Shore A 95 Shore A
2 2
Impact Strength (notched Izod, 23C) ASTM D256 9.1 ft.lbf/in 19.1 kJ/m
Abrasion Resistance (mass loss, 10,000 cycles) ASTM D4060 0.06 mg 0.06 mg
Thermal Properties
Melting Point (via Differential Scanning Calorimeter) DSC 428 F 220 C
Glass Transition (Tg) DSC -11 F -24 C
Heat Deflection Temperature (HDT) @ 10.75psi/ 0.07 MPa ASTM D648 165 F 74 C
Heat Deflection Temperature (HDT) @ 66psi/ 0.45 MPa ASTM D648 120 F 49 C
NinjaTek filament is capable of being printed by a variety of printers in a variety of configurations. This specification sheet gives results as they pertain to the defined test standard and specimen details. Different slicing and/or
printing configurations, test conditions, ambient environments, etc. may result in dif ferent results.
Impact Strength and Heat Deflection Temperature results were both provided by an accredited university testing laboratory. Specific Gravity and Hardness are innate characteristics of the material. Moisture Absorption, values
associated with the Tensile Strength tests, Melting Point and Glass Transition data were prepared by Fenner Drives, Inc.
NinjaTek makes no warranties of any type, express or implied, including, but no liited to, the warranties of fitness for a partuclar application.
Impact (D256): Un-notched test specimen,
Test Specimen Details (by ASTM Test Number) Tensile (D638): Dogbone Style IV, 100% fill, diagonal line fill.
notch added post print by testing facility.
All printed specimens were created using the TAZ5 printer 0.75mm nozzle. Dimensions: 5mm thick. See drawing for other dimensions.
For ASTM D638 tests, the extrusion multiplier is 1.05. Dimensions:
2.5 L x 0.25 H x 0.5 W
Specific Gravity (D792): Results determined by nature of material.
Abrasion (D4060): Rectanglar block sized to fit tabor abrader.
Dimensions:
Moisture (D570): 30g of filament tested in moisture analyzer evaluated at all dimensions in mm.
5 L x 0.5 H x 0.5 W
125C until the mass change is < 0.005% over 1 minute.
HDT (D648): Bar shape.
Hardness (D2240): Solid testing block.
Dimensions:
Dimensions: 7.5 L x 0.125 H x 0.5 W
2L x 2 H x 0.75 W
NinjaTek.com +1-717-664-8254 support@ninjatek.com
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