VALOX™ 508 resin

About
30% GR PBT+PC. Excellent mechanical and thermal performance. Non-flame retardant. Reduced warpage characteristics. Applications same as VALOX 420.&&

Product Description
SupplierSABIC
GenericPC+PBT
Material StatusCommercial: Active
FeaturesLow warping,HB
AvailabilitysNorth America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.50g/cm³ASTM D792
Specific volume0.670cm³/gASTM D792
Shrinkage rate Internal Method
TD0.40 to 0.60%Internal Method
TD0.60 to 0.90%Internal Method
Water absorption rate
24hr0.060%ASTM D570
Weathering resistancef2 UL 746C

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch ASTM D256
23℃640J/mASTM D4812
-30℃80J/mASTM D256
23℃86J/mASTM D256
Dart impact equipped with measuring instruments ASTM D3763
23℃,Energy at Peak Load6.78JASTM D3763
23℃,Total Energy8.13JASTM D3763

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed, 6.4 mm177ASTM D648
0.45 MPa, unannealed, 6.4 mm216ASTM D648
Linear coefficient of thermal expansion
MD ASTM E831
-40 to 40 ℃2.3E-5cm/cm/℃ASTM E831
60 to 138 ℃1.6E-5cm/cm/℃ASTM E831
Relative temperature index
Electrical performance125UL 746
Strength mechanical performance125UL 746
Impact mechanical performance110UL 746

Electrical performanceNominal valueUnitTest method
Volume resistivity5.9E+16ohms·cmASTM D257
Dielectric strength ASTM D149
1.6 mm in oil29kV/mmASTM D149
3.2 mm in air24kV/mmASTM D149
Dielectric constant ASTM D150
100 Hz3.60 ASTM D150
1 MHz3.60 ASTM D150
Dissipation factor ASTM D150
100 Hz1.4E-3 ASTM D150
1 MHz0.020 ASTM D150
Arc resistancePLC 6 ASTM D495
Compared to the leakage tracing indexPLC 4 UL 746
High Arc Burning Index (HAI)PLC 3 UL 746
High voltage arc marking rate
HVTRPLC 2 UL 746
Hot wire ignition
HWIPLC 1 UL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
1.50 mmHB UL 94

MECHANICALNominal valueUnitTest method
tensile strength
fracture110MPaASTM D638
Bending modulus
50 mm span6890MPaASTM D790
bending strength
Fracture, 50 mm span190MPaASTM D790
Rockwell hardness
R-level119 ASTM D785

Special valueNominal valueUnitTest method
MD0.30 to 0.50%Internal Method
MD0.50 to 0.80%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. 1.5 to 3.2 mm
3. 3.2 to 4.6 mm
4. 3.2-4.6 mm
5. Type I, 0.20 in/min
6. 0.051 in/min
7. Tungsten Electrode
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Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials.