VALOX™ 553U resin

About
30% GR PBT+PC, UL94 V-0. Reduced warpage characteristics.Applications; appliance handles, spotlights, electric motors, pump housings, etc.&&

Product Description
SupplierSABIC
GenericPC+PBT
Material StatusCommercial: Active
FeaturesLow warping,V-0,5VA
AvailabilitysNorth America
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.58g/cm³ASTM D792
Specific volume0.636cm³/gASTM D792
Shrinkage rate Internal Method
MD0.30 to 0.50%Internal Method
MD0.50 to 0.80%Internal Method
Water absorption rate
24hr0.070%ASTM D570
Weathering resistancef1 UL 746C

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
23℃85J/mASTM D256
23℃640J/mASTM D4812

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed, 6.4 mm160ASTM D648
0.45 MPa, unannealed, 6.4 mm204ASTM D648
Linear coefficient of thermal expansion
MD ASTM E831
-40 to 40 ℃2.2E-5cm/cm/℃ASTM E831
60 to 138 ℃2.2E-5cm/cm/℃ASTM E831
Relative temperature index
Electrical performance125UL 746
Strength mechanical performance125UL 746
Impact mechanical performance110UL 746

Electrical performanceNominal valueUnitTest method
Volume resistivity4.3E+16ohms·cmASTM D257
Dielectric strength ASTM D149
1.6 mm in oil26kV/mmASTM D149
3.2 mm in air19kV/mmASTM D149
Dielectric constant ASTM D150
100 Hz3.80 ASTM D150
1 MHz3.70 ASTM D150
Dissipation factor ASTM D150
100 Hz2.0E-3 ASTM D150
1 MHz0.020 ASTM D150
Arc resistancePLC 6 ASTM D495
Compared to the leakage tracing indexPLC 3 UL 746
High Arc Burning Index (HAI)PLC 3 UL 746
High voltage arc marking rate
HVTRPLC 3 UL 746
Hot wire ignition
HWIPLC 1 UL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level UL 94
0.90 mmV-0 UL 94
2.30 mm5VA UL 94
Extreme oxygen index37%ASTM D2863

MECHANICALNominal valueUnitTest method
tensile strength
fracture110MPaASTM D638
Bending modulus
50 mm span6890MPaASTM D790
bending strength
Fracture, 50 mm span179MPaASTM D790
Rockwell hardness
R-level118 ASTM D785

Special valueNominal valueUnitTest method
TD0.40 to 0.60%Internal Method
TD0.60 to 0.90%Internal Method

Process Conditions
injectionNominal valueUnitTest method
Drying temperature121°C
Drying time3.0 to 4.0hr
Drying time, maximum12hr
Recommended maximum moisture content0.020%
Recommended injection volume40 to 80%
Barrel rear temperature238 to 254°C
Barrel middle temperature243 to 260°C
Barrel front temperature249 to 266°C
Nozzle temperature243 to 260°C
Processing (melt) temperature249 to 266°C
Mold temperature66 to 88°C
Back pressure0.345 to 0.689MPa
Screw speed50 to 80rpm
Vent depth0.025 to 0.038mm

Notes
1. Typical properties: these are not to be construed as specifications.
2. Type I, 0.20 in/min
3. 0.051 in/min
4. Tungsten Electrode
5. Surface
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