VALOX™ HR426 resin

About
一种PBT材料,含有的填充物为30% 玻璃纤维增强材料.优异的强度,刚度和尺寸稳定性

Product Description
SupplierSABIC
Genericpolybutylene terephthalate
Material StatusCommercial: Active
FeaturesGood Rigidity,Good Dimensional Stability,Hydrolysis stability
AvailabilitysAsia Pacific

Technical Data
MECHANICALNominal valueUnitTest method
tensile strength
Fracture, 5 mm/min119MPaASTM D638
Tensile strain
Fracture, 5 mm/min3%ASTM D638
Bending modulus
6896.43MPaASTM D790
Rockwell hardness
R-level118ASTM D785

IMPACTNominal valueUnitTest method
Notched impact strength of cantilever beam
23℃793.8J/mASTM D4812
Impact strength of cantilever beam notch
23℃88.2J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
0.45 MPa, unannealed, 6.4 mm218ASTM D648
Hot deformation temperature
1.8 MPa, unannealed, 6.4 mm207ASTM D648
Relative temperature index
Non mechanical impact performance140UL 746B
Electrical performance140UL 746B
Impact mechanical performance140UL 746B

PHYSICALNominal valueUnitTest method
Density1.53g/cm³ASTM D792
Specific product0.65cm³/gASTM D 792
Shrinkage rate
TD:3.2-4.6 mm0.6-0.9%Internal Method
TD:1.5-3.2 mm0.4-0.6%Internal Method
MD:3.2-4.6 mm0.5-0.8%Internal Method
MD:1.5-3.2 mm0.3-0.5%Internal Method

Electrical performanceNominal valueUnitTest method
Volume resistivity1.9E+16ohms·cmASTM D257
Insulation oil dielectric strength l (3.2 mm)19.1kV/mmASTM D 149
Relative permittivity
50-60 Hz3.24ASTM D150
Relative permittivity
1 MHz3.13ASTM D150
Dissipation factor
50-60 Hz0.003ASTM D150
Dissipation factor
1 MHz0.014ASTM D150
Arc resistance
Tungsten wire5PLC CodeASTM D495
Hot wire ignition {PLC}0PLC 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 index1PLC CodeUL 746A

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant grade 94HB

Hydrolysis stabilityNominal valueUnitTest method
50% TS loss at 120 ℃/100% RH0daysSABIC Method
94% TS loss at 120 ℃/85% RH200Days (>)SABIC Method

Process Conditions
injection moldingNominal valueUnitTest method
Drying temperature60-75°C
Drying time4-5hrs
Drying time (gradually increasing)8hrs
Maximum water content0.05%
Melt temperature250-265°C
Spray 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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