• lexan PC EXL1414物性

• Lexan* EXL1414 polycarbonate (PC) siloxane copolymer resin is a medium flow opaque injection molding (IM) grade. This resin offers extreme low temperature (-40 C) ductility in combination with excellent processability and release with opportunities for shorter IM cycle times compared to standard PC. Lexan EXL1414 resin is a product available in wide range of opaque colors and may be an excellent candidate for a wide variety of applications.

• Property

• TYPICAL PROPERTIES (1)
  MECHANICAL	Value	Unit	Standard
  Tensile Stress, yld, Type I, 50 mm/min	560	kgf/cm2	ASTM D 638
  Tensile Stress, brk, Type I, 50 mm/min	510	kgf/cm2	ASTM D 638
  Tensile Strain, yld, Type I, 50 mm/min	6	%	ASTM D 638
  Tensile Strain, brk, Type I, 50 mm/min	98	%	ASTM D 638
  Tensile Modulus, 50 mm/min	20500	kgf/cm2	ASTM D 638
  Flexural Stress, yld, 1.3 mm/min, 50 mm span	940	kgf/cm2	ASTM D 790
  Flexural Modulus, 1.3 mm/min, 50 mm span	22700	kgf/cm2	ASTM D 790
  Hardness, Rockwell L	89	-	ASTM D 785
  Hardness, Rockwell R	121	-	ASTM D 785
  Tensile Stress, yield, 50 mm/min	57	MPa	ISO 527
  Tensile Stress, break, 50 mm/min	60	MPa	ISO 527
  Tensile Strain, yield, 50 mm/min	6	%	ISO 527
  Tensile Strain, break, 50 mm/min	120	%	ISO 527
  Tensile Modulus, 1 mm/min	2150	MPa	ISO 527
  Flexural Stress, yield, 2 mm/min	85	MPa	ISO 178
  Flexural Modulus, 2 mm/min	2250	MPa	ISO 178
  IMPACT	Value	Unit	Standard
  Izod Impact, notched, 23°C	88	cm-kgf/cm	ASTM D 256
  Izod Impact, notched, -30°C	78	cm-kgf/cm	ASTM D 256
  Instrumented Impact Total Energy, 23°C	714	cm-kgf	ASTM D 3763
  Izod Impact, unnotched 80*10*3  23°C	NB	kJ/m2	ISO 180/1U
  Izod Impact, unnotched 80*10*3 -30°C	NB	kJ/m2	ISO 180/1U
  Izod Impact, notched 80*10*3  23°C	70	kJ/m2	ISO 180/1A
  Izod Impact, notched 80*10*3 -30°C	60	kJ/m2	ISO 180/1A
  Charpy 23°C , V-notch Edgew 80*10*3 sp=62mm	70	kJ/m2	ISO 179/1eA
  Charpy -30°C , V-notch Edgew 80*10*3 sp=62mm	65	kJ/m2	ISO 179/1eA
  Charpy 23°C , Unnotch Edgew 80*10*3 sp=62mm	NB	kJ/m2	ISO 179/1eU
  Charpy -30°C , Unnotch Edgew 80*10*3 sp=62mm	NB	kJ/m2	ISO 179/1eU
  THERMAL	Value	Unit	Standard
  Vicat Softening Temp, Rate B/50	145	°C	ASTM D 1525
  HDT, 0.45 MPa, 3.2 mm, unannealed	139	°C	ASTM D 648
  HDT, 1.82 MPa, 3.2mm, unannealed	124	°C	ASTM D 648
  CTE, -40°C to 40°C , flow	6.96E-05	1/°C	ASTM E 831
  CTE, -40°C to 40°C , xflow	7.47E-05	1/°C	ASTM E 831
  CTE, 23°C to 80°C , flow	7.2E-05	1/°C	ISO 11359-2
  CTE, 23°C to 80°C , xflow	7.2E-05	1/°C	ISO 11359-2
  Ball Pressure Test, 125°C  /- 2°C	Passes	-	IEC 60695-10-2
  Vicat Softening Temp, Rate B/50	145	°C	ISO 306
  Vicat Softening Temp, Rate B/120	146	°C	ISO 306
  HDT/Be, 0.45MPa Edgew 120*10*4 sp=100mm	140	°C	ISO 75/Be
  HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm	128	°C	ISO 75/Ae
  Relative Temp Index, Elec	130	°C	UL 746B
  Relative Temp Index, Mech w/impact	120	°C	UL 746B
  Relative Temp Index, Mech w/o impact	125	°C	UL 746B
  PHYSICAL	Value	Unit	Standard
  Specific Gravity	1.18	-	ASTM D 792
  Mold Shrinkage, flow, 3.2 mm	0.4 - 0.8	%	SABIC Method
  Mold Shrinkage, xflow, 3.2 mm	0.4 - 0.8	%	SABIC Method
  Melt Flow Rate, 300°C /1.2 kgf	10	g/10 min	ASTM D 1238
  Density	1.19	g/cm2	ISO 1183
  Water Absorption, (23°C /sat)	0.35	%	ISO 62
  Moisture Absorption (23°C / 50% RH)	0.15	%	ISO 62
  Melt Volume Rate, MVR at 300°C /1.2 kg	9	cm3/10 min	ISO 1133
  ELECTRICAL	Value	Unit	Standard
  Volume Resistivity	>1.E 15	Ohm-cm	ASTM D 257
  Surface Resistivity	>1.E 15	Ohm	ASTM D 257
  Dielectric Strength, in oil, 0.8 mm	16.2	kV/mm	ASTM D 149
  Relative Permittivity, 100 Hz	2.68	-	ASTM D 150
  Relative Permittivity, 1 MHz	2.64	-	ASTM D 150
  Dissipation Factor, 100 Hz	0.0012	-	ASTM D 150
  Dissipation Factor, 1 MHz	0.0093	-	ASTM D 150
  FLAME CHARACTERISTICS	Value	Unit	Standard
  UL Recognized, 94HB Flame Class Rating (3)	0.4	mm	UL 94
  Glow Wire Flammability Index 850°C , passes at	0.8	mm	IEC 60695-2-12
  Glow Wire Flammability Index 960°C , passes at	1	mm	IEC 60695-2-12
  Glow Wire Ignitability Temperature, 1.0 mm	875	°C	IEC 60695-2-13
  Glow Wire Ignitability Temperature, 3.0 mm	875	°C	IEC 60695-2-13

• Processing

• Parameter
  Injection Molding	Value	Unit
  Drying Temperature	120	°C
  Drying Time	3 - 4	hrs
  Drying Time (Cumulative)	48	hrs
  Maximum Moisture Content	0.02	%
  Melt Temperature	295 - 315	°C
  Nozzle Temperature	290 - 310	°C
  Front - Zone 3 Temperature	295 - 315	°C
  Middle - Zone 2 Temperature	280 - 305	°C
  Rear - Zone 1 Temperature	215 - 295	°C
  Mold Temperature	70 - 95	°C
  Back Pressure	0.3 - 0.7	MPa
  Screw Speed	40 - 70	rpm
  Shot to Cylinder Size	40 - 60	%
  Vent Depth	0.025 - 0.076	mm

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