SABIC PBT

VALOX™ RESINS 420

物性表（TECHNICAL DATASHEET)

VALOX™ RESIN 420
REGION ASIA
DESCRIPTION
30% GR, excellent strength, stiffness and dimensional stability. High heat resistance. Appliance handles, spotlights, electric motors, connectors.
TYPICAL PROPERTY VALUES Revision 20260509
PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
VALOX™ RESIN 420 MECHANICAL
Tensile Stress, brk, Type I, 5 mm/min	119	MPa	ASTM D638
Tensile Strain, brk, Type I, 5 mm/min	3	%	ASTM D638
Flexural Stress, brk, 1.3 mm/min, 50 mm span	190	MPa	ASTM D790
Flexural Modulus, 1.3 mm/min, 50 mm span	7580	MPa	ASTM D790
Hardness, Rockwell R	118	–	ASTM D785
IMPACT
Izod Impact, unnotched, 23°C	801	J/m	ASTM D4812
Izod Impact, notched, 23°C	85	J/m	ASTM D256
THERMAL
HDT, 0.45 MPa, 6.4 mm, unannealed	215	°C	ASTM D648
HDT, 1.82 MPa, 6.4 mm, unannealed	207	°C	ASTM D648
CTE, -40°C to 40°C, flow	2.52E-05	1/°C	ASTM E831
CTE, 60°C to 138°C, flow	2.52E-05	1/°C	ASTM E831
Relative Temp Index, Elec	140	°C	UL 746B
Relative Temp Index, Mech w/impact	140	°C	UL 746B
Relative Temp Index, Mech w/o impact	140	°C	UL 746B
VALOX™ RESIN 420 PHYSICAL
Specific Gravity	1.53	–	ASTM D792
Specific Volume	0.66	cm³ /g	ASTM D792
Water Absorption, (23°C/24hrs)	0.06	%	ASTM D570
Mold Shrinkage, flow, 1.5-3.2 mm	0.3 – 0.5	%	SABIC method
Mold Shrinkage, flow, 3.2-4.6 mm	0.5 – 0.8	%	SABIC method
Mold Shrinkage, xflow, 1.5-3.2 mm	0.4 – 0.6	%	SABIC method
Mold Shrinkage, xflow, 3.2-4.6 mm	0.6 – 0.9	%	SABIC method
VALOX™ RESIN 420 ELECTRICAL
Volume Resistivity	>3.2E+16	Ω .cm	ASTM D257
Dielectric Strength, in air, 3.2 mm	18.7	kV/mm	ASTM D149
Dielectric Strength, in oil, 1.6 mm	24	kV/mm	ASTM D149
Relative Permittivity, 100 Hz	3.8	–	ASTM D150
Relative Permittivity, 1 MHz	3.7	–	ASTM D150
Dissipation Factor
100 Hz	0.002	–	ASTM D150
1 MHz	0.02	–	ASTM D150
Arc Resistance, Tungsten {PLC}	5	PLC Code	ASTM D495
High Voltage Arc Track Rate {PLC}	1	PLC Code	UL 746A
Comparative Tracking Index (UL) {PLC}	0	PLC Code	UL 746A
Comparative Tracking Index	400	V	IEC 60112
VALOX™ RESIN 420 FLAME CHARACTERISTICS
UL Yellow Card Link	E207780-100173314	–	–
UL Yellow Card Link 2	E45587-236813	–	–
UL Recognized, 94HB Flame Class Rating	0.83	mm	UL 94
Oxygen Index (LOI)	19	%	ASTM D2863
INJECTION MOLDING
Drying Temperature	120	°C
Drying Time	3 – 4	Hrs
Drying Time (Cumulative)	12	Hrs
Maximum Moisture Content	0.02	%
Melt Temperature	250 – 265	°C
Nozzle Temperature	245 – 260	°C
Front – Zone 3 Temperature	250 – 265	°C
Middle – Zone 2 Temperature	245 – 260	°C
Rear – Zone 1 Temperature	240 – 255	°C
Mold Temperature	65 – 90	°C
Back Pressure	0.3 – 0.7	MPa
Screw Speed	50 – 80	rpm
Shot to Cylinder Size	40 – 80	%
Vent Depth	0.025 – 0.038	mm
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