PolyMax™ PC-FR, creation from Covestro’s Makrolon® family, could achieve V0 performance in the UL94 flame retardancy test and displays excellent toughness, strength and heat resistance. This filament opens new applications in the automotive, railway and aerospace industries.
Yes, PolyMax™ PC-FR has been tested by SGS-CSTC Standards Technical Services Co., Ldt.
IEC 60695-11-10:2013/Cor.1:2014 Method B
Full test report here.
Printing Temperature: 250˚C - 270˚C
Bed Temperature: 90˚C - 105˚C
Chamber Temperature: 90˚C - 100˚C
Printing Speed: 30mm/s - 50mm/s
Retraction Distance: 1mm
Retraction Speed: 20mm/s
Retraction Distance: 3mm
Retraction Speed: 40mm/s
Drying Settings: 75˚C for 6h
(Only if the material has absorbed moisture)
Annealing Settings: 90˚ for 2h
Does the FR affect the mechanical properties?
Yes, the FR additive will make the material less ductile which means a higher tensile strength and Young's modulus (more rigid). However the PC will maintain its great impact and high heat resistance.
1kg cardboard spool:
Spool Inner Hole Diameter: 55±1mm
Spool Diameter: 200±1mm
Spool Width: 65.6±2mm
Spool Weight: 140±7g