VALOX™ 357M resin

About
未增强的PBTP,易流动,易释放,阻燃等级UL94 V-0

Product Description
SupplierSABIC
Genericpolybutylene terephthalate
Material StatusCommercial: Active
FeaturesGood Rigidity,Good Dimensional Stability,Fatigue resistance

Technical Data
MECHANICALNominal valueUnitTest method
Tensile strain
Fracture, 50 mm/min110%ASTM D638
bending strength
Yield, 50 mm span82MPaASTM D790
Fracture, 50 mm span82MPaASTM D790
Bending modulus
2060MPaASTM D790
Rockwell hardness117ASTM D785

IMPACTNominal valueUnitTest method
Notched impact strength of cantilever beam
23℃3204J/mASTM D4812
Impact strength of cantilever beam notch
23℃534J/mASTM D256
Gardner, 23 ℃43JASTM D 3029
Improved Gardner
23℃43JASTM D 3029

THERMALNominal valueUnitTest method
Relative temperature index
Electrical performance120UL 746B
Impact mechanical performance120UL 746B
Non mechanical impact performance120UL 746B

PHYSICALNominal valueUnitTest method
Density1.34g/cm³ASTM D792
Specific product0.75cm³/gASTM D 792
Water absorption rate
24hr0.08%ASTM D570
Shrinkage rate
MD:0.75-2.3 mm0.8 – 1.1%Internal Method
MD:2.3-4.6 mm1 – 1.4%Internal Method
TD:0.75-2.3 mm0.9 – 1.3%Internal Method
TD:2.3-4.6 mm1.2 – 1.6%Internal Method

Electrical performanceNominal valueUnitTest method
Volume resistivity>1.2E+16ohms·cmASTM D257
Dielectric strength
3.2 mm in air18.5kV/mmASTM D149
1.6 mm in oil25kV/mmASTM D49
3.2 mm in oil18.5kV/mmASTM D149
Relative permittivity
100 Hz3.2ASTM D150
1 MHz3.2ASTM D150
Dissipation factor
100 Hz0.003ASTM D150
1 MHz0.03ASTM D150
Arc resistance
Tungsten wire6PLC CodeASTM D495
Hot wire ignition {PLC}2PLC CodeUL 746A
High voltage arc marking rate {PLC}3PLC CodeUL 746A
High current arc ignition (surface {PLC})3PLC CodeUL 746A
Compared to the leakage tracing index2PLC CodeUL 746A

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
0.45 mmHBUL 94
0.63 mmV-0UL 94
2.99 mm5VAUL 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 temperature50-75°C
Back pressure0.3-0.7MPa
Screw speed50-100rpm
Shooting cylinder size40-80%
Depth of exhaust groove0.025-0.038mm

Notes
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