Bayblend® FR421 MT

About
Rubber modified PC blend; mineral filled; flame retardant; Vicat/B 120 temperature = 134°C; extrusion grade for aircraft interiors; the classifications according to the respective aircraft standards are communicated with email inquiry under plastics@covestro.com&&

Product Description
SupplierCovestro
GenericPC+ABS
Material StatusCommercial: Active
FeaturesFlame Characteristics,V-0,5VA
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsExtrusion

Technical Data
MECHANICALNominal valueUnitTest method
Tensile modulus
23℃3400MPaISO 527-1-2
tensile strength
Fracture, 23 ℃47.0MPaISO 527-2/50
Yield, 23 ℃58.0MPaISO 527-2/50
Tensile strain
Fracture, 23 ℃22%ISO 527-2/50
Yield, 23 ℃4.0%ISO 527-2/50

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
23℃30kJ/m²ISO 180-A

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed118ISO 75-2/A
0.45 MPa, unannealed129ISO 75-2/B
Vicat Softening Temp 
B50132ISO 306
B120134ISO 306/B120
Linear coefficient of thermal expansion
TD:23~55℃6.0E-51/℃ISO 11359-2
MD:23~55℃5.0E-51/℃ISO 11359-2

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+16ohmsIEC 60093
Volume resistivity
23℃1.0E+16ohms·cmIEC 60093
Dielectric strength
23 ℃,1 mm41kV/mmIEC 60243-1
Relative permittivity IEC 60250
23℃,100 Hz3.10 IEC 60250
23℃,1 MHz3.00 IEC 60250
Dissipation factor IEC 60250
23℃,100 Hz4.6E-3 IEC 60250
23℃,1 MHz9.4E-3 IEC 60250
Compared to the leakage tracing index
Solution A200VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level UL 94
0.75 mm, Bayer testV-0 UL 94
3.00 mm, Bayer test5VA UL 94

PHYSICALNominal valueUnitTest method
Density1.29g/cm³ISO 1183
Melt Volume Rate
260℃,5 kg2.00cm³/10minISO 1133
Shrinkage rate ISO 2577
TD:260℃,3.0 mm0.60 to 0.80%ISO 2577
MD:260℃,3.0 mm0.50 to 0.70%ISO 2577
Water absorption rate
Saturation, 23 ℃0.50%ISO 62
Equilibrium, 23 ℃, 50% RH0.20%ISO 62
Apparent viscosity of melt
260℃640Pa·sISO 11443-A

Notes
1. Typical properties: these are not to be construed as specifications.
2. 150x105x3mm,, MT 80°C
3. 1000s-1
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