LEXAN™ FR Resin BX7241

LEXAN BX7241 is based on Polycarbonate (PC) copolymer. It is an injection moldable non-chlorinated/brominated, unfilled flame retardant grade that has good impact and processability. It has an MVR of 18 (260°C/2.16kg), UL94 V0@0.6mm, 5VA at 3.0mm rating and is targeted for thin wall applications.

Product Family

LNP™ COMPOUNDS AND PC COPOLYMER RESINS

Polymer Family

Polycarbonate (PC)

Processing Technology

Injection Molding

Where to buy

You can get in touch with us in these regions to buy the material

Asia

Colors

All colors are customizable. Refer our ColorXpress tool to check color availability

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Features

Key characteristics of the material

Flame Retardant
Good Processability
Impact resistant
Non Cl/Br flame retardant
Thin Wall
Transparent/Translucent

Industry

Material previously used in

Mobile Phone - Computer - Tablets
Personal Accessory

Applications

Possible usage of material

Personal Computing
Power Manangement
Watch/Jewelry
Wireless Communications

Technical Datasheet Data

View different characteristics of the material at a standard test conditions

Region

ELECTRICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Volume Resistivity	>1.E+16	Ω.cm	ASTM D257
Surface Resistivity	>2.E+15	Ω	ASTM D257

FLAME CHARACTERISTICS

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
UL Yellow Card Link	View	-	-
UL Recognized, 94V-0 Flame Class Rating	0.5	mm	UL 94
UL Recognized, 94V-1 Flame Class Rating	≥0.5	mm	UL 94
UL Recognized, 94V-2 Flame Class Rating	≥0.2	mm	UL 94
Glow Wire Flammability Index 960°C, passes at	0.75	mm	IEC 60695-2-12
Glow Wire Ignitability Temperature, 1.0 mm	800	°C	IEC 60695-2-13
Glow Wire Ignitability Temperature, 1.5 mm	825	°C	IEC 60695-2-13
Glow Wire Ignitability Temperature, 3.0 mm	825	°C	IEC 60695-2-13

IMPACT

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Izod Impact, notched, 23°C	690	J/m	ASTM D256
Izod Impact, notched, 0°C	420	J/m	ASTM D256
Izod Impact, notched, -30°C	190	J/m	ASTM D256
Instrumented Dart Impact Total Energy, 23°C	60	J	ASTM D3763
*Izod Impact, notched 80104 +23°C*	28	kJ/m²	ISO 180/1A
*Izod Impact, notched 80104 0°C*	11	kJ/m²	ISO 180/1A
*Izod Impact, notched 80104 -30°C*	11	kJ/m²	ISO 180/1A
*Charpy Impact, notched, 23°C, 80104mm, Cut*	37	kJ/m²	ISO 179/1eA
*Charpy Impact, notched, 0°C, 80104mm, Cut*	12	kJ/m²	ISO 179/1eA
*Charpy Impact, notched, -30°C, 80104mm, Cut*	11	kJ/m²	ISO 179/1eA

INJECTION MOLDING

PROPERTIES	TYPICAL VALUES	UNITS
Drying Temperature	80 - 90	°C
Drying Time	2 - 4	Hrs
Maximum Moisture Content	0.02	%
Melt Temperature	250 - 300	°C
Nozzle Temperature	250 - 300	°C
Front - Zone 3 Temperature	250 - 300	°C
Middle - Zone 2 Temperature	240 - 290	°C
Rear - Zone 1 Temperature	230 - 280	°C
Hopper Temperature	60 - 80	°C
Mold Temperature	60 - 85	°C
Vent Depth	0.03 - 0.075	mm

MECHANICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Tensile Stress, yld, Type I, 50 mm/min	67	MPa	ASTM D638
Tensile Stress, brk, Type I, 50 mm/min	65	MPa	ASTM D638
Tensile Strain, yld, Type I, 50 mm/min	4.4	%	ASTM D638
Tensile Strain, brk, Type I, 50 mm/min	100	%	ASTM D638
Tensile Modulus, 5 mm/min	2500	MPa	ASTM D638
Flexural Stress, yld, 1.3 mm/min, 50 mm span	107	MPa	ASTM D790
Flexural Stress, brk, 1.3 mm/min, 50 mm span	105	MPa	ASTM D790
Flexural Modulus, 1.3 mm/min, 50 mm span	2450	MPa	ASTM D790
Tensile Stress, yield, 50 mm/min	62	MPa	ISO 527
Tensile Stress, break, 50 mm/min	45	MPa	ISO 527
Tensile Strain, yield, 50 mm/min	4.2	%	ISO 527
Tensile Strain, break, 50 mm/min	90	%	ISO 527
Tensile Modulus, 1 mm/min	2500	MPa	ISO 527
Flexural Stress, yield, 2 mm/min	99	MPa	ISO 178
Flexural Stress, break, 2 mm/min	98	MPa	ISO 178
Flexural Modulus, 2 mm/min	2600	MPa	ISO 178

PHYSICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Specific Gravity	1.2	-	ASTM D792
Mold Shrinkage, flow, 3.2 mm	0.4 - 0.6	%	SABIC method
Melt Flow Rate, 260°C/2.16 kgf	18	g/10 min	ASTM D1238
Water Absorption, (23°C/saturated)	0.2	%	ISO 62-1
Moisture Absorption (23°C / 50% RH)	0.1	%	ISO 62
Melt Volume Rate, MVR at 260°C/2.16 kg	18	cm³/10 min	ISO 1133

THERMAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Vicat Softening Temp, Rate B/50	111	°C	ASTM D1525
HDT, 0.45 MPa, 3.2 mm, unannealed	103	°C	ASTM D648
HDT, 1.82 MPa, 3.2mm, unannealed	93	°C	ASTM D648
CTE, -40°C to 40°C, flow	5.9E-05	1/°C	ASTM E831
CTE, -40°C to 40°C, xflow	5.9E-05	1/°C	ASTM E831
CTE, -40°C to 40°C, flow	5.9E-05	1/°C	ISO 11359-2
CTE, -40°C to 40°C, xflow	5.9E-05	1/°C	ISO 11359-2
Ball Pressure Test, 75°C +/- 2°C	Pass	-	IEC 60695-10-2
Vicat Softening Temp, Rate B/50	109	°C	ISO 306
Vicat Softening Temp, Rate B/120	112	°C	ISO 306
Relative Temp Index, Elec	80	°C	UL 746B
Relative Temp Index, Mech w/impact	80	°C	UL 746B
Relative Temp Index, Mech w/o impact	80	°C	UL 746B

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