VALOX™ 420 resin

About
30% GR, excellent strength, stiffness and dimensional stability. High heat resistance. Appliance handles, spotlights, electric motors, connectors.&&

Product Description
SupplierSABIC
Genericpolybutylene terephthalate
Material StatusCommercial: Active
FeaturesGood Rigidity,Good Dimensional Stability,High Heat Resistance,HB
AvailabilitysNorth America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.53g/cm³ASTM D792
Specific volume0.660cm³/gASTM D792
Melt Flow Rate
250℃,2.16kg17g/10minISO 1133
Melt Volume Rate
250℃,2.16 kg13.0cm³/10minISO 1133
Shrinkage rate Internal Method
MD0.30 to 0.70%Internal Method
MD0.30 to 0.50%Internal Method
MD0.50 to 0.80%Internal Method
MD:3.2 mm0.30 to 0.80%Internal Method
Water absorption rate
Equilibrium, 23 ℃, 50% RH0.080%ISO 62
24hr0.090%ASTM D570

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179/1eA
-30℃5.0kJ/m²ISO 179/1eA
23℃5.0kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength ISO 179/1eU
-30℃45kJ/m²ISO 179/1eU
23℃45kJ/m²ISO 179/1eU
Impact strength of cantilever beam notch ASTM D256
23℃800J/mASTM D4812
-30℃80J/mASTM D256
23℃85J/mASTM D256
Impact strength of cantilever beam notch ISO 180/1A
-30℃7.0kJ/m²ISO 180-1A
23℃8.0kJ/m²ISO 180-1A
Notched impact strength of cantilever beam ISO 180/1U
-30℃45kJ/m²ISO 180/1U
23℃45kJ/m²ISO 180/1U
Dart impact equipped with measuring instruments
23℃,Total Energy8.00JASTM D3763

THERMALNominal valueUnitTest method
Hot deformation temperature ASTM D648
1.8 MPa, unannealed, 64 mm span204ISO 75-2/Af
0.45 MPa, unannealed, 64 mm span217ISO 75-2/Bf
1.8 MPa, unannealed, 3.2 mm203ASTM D648
1.8 MPa, unannealed, 6.4 mm207ASTM D648
Vicat Softening Temp215ASTM D1525 14
Vicat Softening Temp 
A50223ISO 306/A50
B50215ISO 306
B120215ISO 306/B120
Ball pressure test
125℃Pass IEC 60695-10-2
Linear coefficient of thermal expansion
TD:-40~40℃1.2E-41/℃ASTM E831
TD:-40~40℃1.2E-41/℃ISO 11359-2
MD:-40~40℃2.5E-51/℃ISO 11359-2
MD ASTM E831
-40 to 40 ℃2.5E-5cm/cm/℃ASTM E831
60 to 138 ℃2.5E-5cm/cm/℃ASTM E831
Thermal conductivity coefficient0.19W/m/KISO 8302
Relative temperature index
Electrical performance140UL 746
Strength mechanical performance140UL 746
Impact mechanical performance140UL 746

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+15ohmsIEC 60093
Volume resistivity> 3.2E+16ohms·cmASTM D257
Volume resistivity> 1.0E+15ohms·cmIEC 60093
Dielectric strength ASTM D149
1.6 mm in oil25kV/mmASTM D149
3.2 mm in air19kV/mmASTM D149
Dielectric strength IEC 60243-1
0.8 mm in oil28kV/mmIEC 60243-1
1 mm19kV/mmIEC 60243-1
1.6 mm in oil24kV/mmIEC 60243-1
3.2 mm in oil16kV/mmIEC 60243-1
Dielectric constant ASTM D150
100 Hz3.80 ASTM D150
1 MHz3.70 ASTM D150
Relative permittivity IEC 60250
50 Hz3.10 IEC 60250
60 Hz3.10 IEC 60250
1 MHz3.10 IEC 60250
Dissipation factor ASTM D150
100 Hz2.0E-3 ASTM D150
1 MHz0.020 ASTM D150
Dissipation factor IEC 60250
50 Hz1.0E-3 IEC 60250
60 Hz1.0E-3 IEC 60250
100 Hz1.0E-3 IEC 60250
1 MHz0.010 IEC 60250
Arc resistancePLC 5 ASTM D495
Compared to the leakage tracing indexPLC 0 UL 746
Compared to the leakage tracing index300VIEC 60112
High voltage arc marking rate
HVTRPLC 1 UL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
0.80 mmHB UL 94
Glowing wire flammability index
1.0 mm750IEC 60695-2-12
Extreme oxygen index19%ASTM D2863

Supplementary informationNominal valueUnitTest method
Filler30%ASTM D229

MECHANICALNominal valueUnitTest method
Tensile modulus9300MPaASTM D638
Tensile modulus9300MPaISO 527-1-2
tensile strength
fracture125MPaISO 527-2/5
fracture120MPaASTM D638
yield125MPaISO 527-2/5
yield120MPaASTM D638
Tensile strain
fracture2.7%ASTM D638
fracture2.0%ISO 527-2/5
yield2.0%ISO 527-2/5
yield2.7%ASTM D638
Bending modulus8500MPaISO 178
50 mm span7580MPaASTM D790
bending strength195MPaISO 178
bending strength
Fracture, 50 mm span190MPaASTM D790
Yield, 50 mm span195MPaASTM D790
Taber abraser
1000 cycles, 1000 g, CS-17 wheels19.0mgASTM D1044
Rockwell hardness
R-level118 ASTM D785
R-level118 ISO 2039-2
Ball hardness
H358/30122MPaISO 2039-1

Special valueNominal valueUnitTest method
TD0.50 to 1.0%Internal Method
TD0.40 to 0.60%Internal Method
TD0.60 to 0.90%Internal Method
TD:3.2 mm0.50 to 1.0%Internal Method
0.45 MPa, unannealed, 3.2 mm220ASTM D648
0.45 MPa, unannealed, 6.4 mm216ASTM D648

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. Tensile Bar
3. 1.5 to 3.2 mm
4. 3.2 to 4.6 mm
5. 3.2-4.6 mm
6. 0.20 in/min
7. Type I, 0.20 in/min
8. 0.051 in/min
9. 0.079 in/min
10. Yield
11. 80*10*4 sp=62mm
12. 80*10*4
13. 80*10*4 mm
14. Rate B (120°C/h), Loading 2 (50 N)
15. Short-Time
16. Tungsten Electrode
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