VALOX™ 508R resin

About
30% 玻纤增强PBT + PC。 出色的机械和热性能。非阻燃。 降低翘曲特性。 应用与VALOX 420R相同

Product Description
SupplierSABIC
GenericPBT/PC
Material StatusCommercial: Active
FeaturesGood Rigidity,Low warping,Heat Resistance, Good,Glass fiber reinforced

Technical Data
MECHANICALNominal valueUnitTest method
tensile strength
Fracture, Type I, 5 mm/min112MpaASTM D638
bending strength
Fracture, 1.30 mm/min, 50 mm span193MpaASTM D790
Bending modulus
1.3 mm/min,50mm跨距7030MpaASTM D790
Rockwell hardness119ASTM D785

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
23℃650J/mASTM D4812
23℃90J/mASTM D256
-30℃80J/mASTM D256
Instrument impact energy
23℃
peak value6.9N.mASTM D 3763
total value8.2N.mASTM D 3763

THERMALNominal valueUnitTest method
Hot deformation temperature
Unannealed, 6.4 mm
0.45 MPa215ASTM D 648
1.8MPa176ASTM D 648
Linear coefficient of thermal expansion
MD
-40 to 40 ℃2.34E-051/℃ASTM E 831
60 to 138 °1.62E-051/℃ASTM E 831
Relative temperature index
Electrical performance125UL 746B
Impact mechanical performance110UL 746B
Non mechanical impact performance125UL 746B

PHYSICALNominal valueUnitTest method
Density1.5g/cm³ASTM D792
Specific product0.66cm³/gASTM D 792
Water absorption rate
24hr0.06%ASTM D570
Shrinkage rate
MD
1.5-3.2 mm, flowing0.3-0.5%SABIC Method
3.2-4.6 mm, flowing0.5-0.8%SABIC Method
1.5-3.2 mm,TD0.4-0.6%SABIC Method
3.2-4.6 mm,TD0.6-0.9%SABIC Method

Electrical performanceNominal valueUnitTest method
Volume resistivity5.9E+16ohms·cmASTM D257
Dielectric strength
3.2 mm in air23.6kV/mmASTM D149
1.6 mm in oil29.1kV/mmASTM D149
Relative permittivity
100 Hz3.6ASTM D150
1 MHz3.6ASTM D150
Dissipation factor
100 Hz0.0014ASTM D150
1 MHz0.02ASTM D150
Arc resistance
Tungsten wire6PLC CodeASTM D495
Hot wire ignition {PLC}1PLC CodeUL 746A
High voltage arc marking rate {PLC}2PLC CodeUL 746A
High current arc ignition (surface {PLC})3PLC CodeUL 746A
Compared to the leakage tracing index4PLC CodeUL 746A

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant grade 94HB1.47mmUL 94
ultraviolet radiation
Water exposure/immersionF2UL 746C

Process Conditions
Injection moldingNominal valueUnitTest method
Drying temperature120°C
Drying time3-4hrs
Drying time (gradually increasing)12hrs
Maximum water content0.02%
Melt temperature250-265°C
Nozzle temperature245 – 260°C
Front temperature250-265°C
Mid section temperature245-260°C
Post stage temperature240-255°C
Mold temperature65-90°C
Back pressure0.3-0.7MPa
Screw speed50-80rpm
Shooting cylinder size40-80%
Depth of exhaust groove0.025-0.038mm

Notes
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