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CRP Technology Windform® GT Polyamide Glass Composite
Categories: Polymer; Thermoplastic; Nylon (Polyamide PA)

Material Notes: Processed by selective laser sintering (SLS). Windform® GT is a deep and dark black composite material based on polyamide fiber glass. After hand finishing, the color becomes shining and brighter. Windform® GT 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. Windform® is resistant to moisture. Windform® GT is also a very light weight material with excellent mechanical properties per unit density.

Applied in 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).

Information provided by CRP Technology.

Vendors:   About CRP Technology
CRP Technology (Modena, Italy) develops, manufactures and sells its proprietary high performance composite materials Windform® for professional 3D Printing. It is also distinguished by its know-how in Selective Laser Sintering technology. It offers part production for short- and low-run production, and prototyping services with Windform®. Its specific application fields including but are not limited to: automotive and motorsports, design, aerospace, UAVs, marine, entertainment, defense, and packaging.

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Physical PropertiesOriginal ValueComments
Density 1.19 g/cc
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 56.21 MPaUNI EN ISO 527-1(97) and UNI EN ISO 527-2(97)
Elongation at Break 14.82 %UNI EN ISO 527-1(97) and UNI EN ISO 527-2(97)
Tensile Modulus 3.29 GPaUNI EN ISO 527-1(97) and UNI EN ISO 527-2(97)
Flexural Strength 87.9 MPaUNI EN ISO 14125: 2000
Flexural Modulus 3.227 GPaUNI EN ISO 14125: 2000
Charpy Impact Unnotched 5.428 J/cm²ISO 179-1:2007
Charpy Impact, Notched 0.869 J/cm²ISO 179-1:2007
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 2.62e+15 ohm-cmASTM D257-93
Surface Resistance 1.02e+16 ohmASTM D257-93
 
Thermal PropertiesOriginal ValueComments
Melting Point 193 °CISO 11357-2
Deflection Temperature at 1.8 MPa (264 psi) 169.4 °CASTM D648
Vicat Softening Point 188.9 °C10 N; ASTM D1252
 
Descriptive Properties
ColorBlack
Specific Flexural Modulus2711.76[MPa/(g/cc)], Flexural Modulus per density unit
Specific Flexural Strength73.87[MPa/(g/cc)], Flexural Strength per density unit
Specific Tensile Modulus2764.54[MPa/(g/cc)], Tensile Modulus per density unit
Specific Tensile Strength47.24[MPa/(g/cc)], UTS per density unit
Surface Finish1.15 Ra µmAfter CNC Machining
 1.15 Ra µmAfter CNC machining
 6.2 Ra µmAfter SLS Process

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