WINDFORM® GT

About
Technology: Selective Laser Sintering Windform® GT is a composite material based on polyamide fiber glass, deep and dark black colour. After hand finishing, the colour becomes shining and brighter. The Windform® GT is an absolute new product in the family of polyamide materials for the additive manufacturing not only aesthetically, but also in terms of performance, because it differs from the other Windform® powders thanks to its higher flexibility. Windform® GT combines optimal characteristics of elasticity and ductility and resistance, thus it can be considered a highly valuable material in various racing and functional applications affected to vibration and shocks. In fact, the material has meaningful values of impact strength and elongation at break, which combined with relevant values of tensile strength and flexural strength make it ideal for applications where resistance to “damage” is a prerequisite, in order to preserve the component, for example in case of impact and/or improper use. A further element of distinction from other materials Windform® is its characteristic of being a waterproof material, resistant to moisture and therefore to the absorption of liquids.Windform® GT is also a very light material with excellent mechanical properties per unit density. Applications: Automotive applications where a certain flexibility in the car and under hood (such as snap fit) is required. It is also suitable in motorsport, air ducts, intake and cooling systems, the hydraulic ducts in contact with liquids or oils, in protective cover for sensors and for all applications that need a good flexibility and resistance to damage (for example: racing components near the ground). Surface Finish: After SLS Process 6.20 Ra µm After manual finishing 1.45 Ra µm After CNC machining 1.15 Ra µm&&

Product Description
GenericPA Not specified
Material StatusCommercial: Active
FeaturesGood flexibility,Ductility,Low or no water absorption,noise reduction,Moisture resistance
AvailabilitysNorth America,Asia Pacific,Europe
Process Methods3D Printing, Laser Sintering/Melting

Technical Data
PHYSICALNominal valueUnitTest method
Density
20℃1.19g/cm³

MECHANICALNominal valueUnitTest method
Tensile modulus3290MPaISO 527-2
per density unit2760MPa
tensile strength56.2MPaISO 527-2
Tensile strain
fracture15%ISO 527-2
Bending modulus3230MPaISO 14125
per density unit2710MPa
bending strength87.9MPaISO 14125
per density unit73.9MPa
Ultimate Tensile Strength(per density unit)47.2MPa/g/cm³

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃8.7kJ/m²ISO 179
Charpy Unnotch Impact strength
23℃54kJ/m²ISO 179

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed169ASTM D648-B
Vicat Softening Temp189ASTM D1525 2
Melting temperature193ISO 11357

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+16ohmsASTM D257
Volume resistivity2.6E+15ohms·cmASTM D257

Notes
1. Typical properties: these are not to be construed as specifications.
2. Loading 1 (10 N)
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