LNP™ ELCRES™ CRX9421U

LNP ELCRES CRX9421U is a UV stabilized semi-crystalline Polycarbonate (PC) copolymer/Polybutylene Terephthalate (PBT) opaque blend. This grade offers medium flow, UL V0 rating @ 1.5 mm, and high ductility in combination with excellent chemical resistance. CRX9421U is available for custom coloring and is intended for a wide variety of healthcare applications that need improved chemical resistance.

Product Family

LNP™ COMPOUNDS AND PC COPOLYMER RESINS

Polymer Family

Polycarbonate + PBT (PC+PBT)

Processing Technology

Injection Molding

Where to buy

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

Colors

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

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Features

Key characteristics of the material

Chemical Resistance
Flame Retardant
Impact resistant
Weatherable/UV stable

Industry

Material previously used in

General Healthcare

Applications

Possible usage of material

Enclosure/Housing/Cover
Enclosures
Medical Device
Healthcare

Technical Datasheet Data

View different characteristics of the material at a standard test conditions

Region

FLAME CHARACTERISTICS

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
UL Yellow Card Link	View	-	-
UL Recognized, 94V-0 Flame Class Rating	≥1.5	mm	UL 94

IMPACT

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
*Izod Impact, notched 80104 +23°C*	55	kJ/m²	ISO 180/1A
*Izod Impact, notched 80104 0°C*	25	kJ/m²	ISO 180/1A
*Izod Impact, notched 80104 -30°C*	13	kJ/m²	ISO 180/1A
*Izod Impact, unnotched 80104 +23°C*	255	kJ/m²	ISO 180/1U
*Izod Impact, unnotched 80104 -30°C*	220	kJ/m²	ISO 180/1U
Izod Impact, notched, 23°C	590	J/m	ASTM D256
Izod Impact, notched, 0°C	230	J/m	ASTM D256
Izod Impact, notched, -30°C	150	J/m	ASTM D256
Izod Impact, unnotched, 23°C	NB	J/m	ASTM D4812
Izod Impact, unnotched, -30°C	NB	J/m	ASTM D4812
Instrumented Dart Impact Total Energy, 23°C	54	J	ASTM D3763
Instrumented Dart Impact Energy @ peak, 23°C	35	J	ASTM D3763

INJECTION MOLDING

PROPERTIES	TYPICAL VALUES	UNITS
Drying Temperature	120	°C
Drying Time	2 - 4	Hrs
Maximum Moisture Content	0.02	%
Melt Temperature	240 - 255	°C
Rear - Zone 1 Temperature	225 - 240	°C
Middle - Zone 2 Temperature	230 - 245	°C
Front - Zone 3 Temperature	235 - 250	°C
Nozzle Temperature	240 - 255	°C
Mold Temperature	50 - 70	°C
Back Pressure	0.3 - 0.7	MPa
Screw Speed	50 - 100	rpm
Shot to Cylinder Size	40 - 80	%
Vent Depth	0.025 - 0.038	mm

MECHANICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Tensile Stress, yield, 50 mm/min	45	MPa	ISO 527
Tensile Stress, break, 50 mm/min	40	MPa	ISO 527
Tensile Strain, yield, 50 mm/min	4	%	ISO 527
Tensile Strain, break, 50 mm/min	100	%	ISO 527
Tensile Modulus, 1 mm/min	2040	MPa	ISO 527
Flexural Modulus, 2 mm/min	2050	MPa	ISO 178
Flexural Stress, yield, 2 mm/min	70	MPa	ISO 178
Tensile Modulus, 50 mm/min	1984	MPa	ASTM D638
Tensile Strain, brk, Type I, 50 mm/min	59	%	ASTM D638
Tensile Strain, yld, Type I, 50 mm/min	4	%	ASTM D638
Tensile Stress, brk, Type I, 50 mm/min	36	MPa	ASTM D638
Tensile Stress, yld, Type I, 50 mm/min	44	MPa	ASTM D638
Flexural Modulus, 1.3 mm/min, 50 mm span	1985	MPa	ASTM D790
Flexural Stress, yld, 1.3 mm/min, 50 mm span	72	MPa	ASTM D790

PHYSICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Specific Gravity	1.3	-	ASTM D792
Water Absorption, (23°C/24hrs)	0.1	%	ISO 62-1
Moisture Absorption (23°C / 50% RH)	0.05	%	ISO 62
Density	1.3	g/cm³	ISO 1183
Mold Shrinkage, flow	1.3 - 1.6	%	SABIC method
Mold Shrinkage, xflow	1.3 - 1.5	%	SABIC method
Melt Volume Rate, MVR at 250°C/5 kg	10	cm³/10 min	ASTM D1238
Melt Flow Rate, 250°C/5.0 kgf	12	g/10 min	ASTM D1238

THERMAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
*HDT/Af, 1.8 MPa Flatw 80104 sp=64mm*	70	°C	ISO 75/Af
*HDT/Bf, 0.45 MPa Flatw 80104 sp=64mm*	115	°C	ISO 75/Bf
HDT, 1.82 MPa, 3.2mm, unannealed	66	°C	ASTM D648
HDT, 0.45 MPa, 3.2 mm, unannealed	118	°C	ASTM D648
Vicat Softening Temp, Rate B/50	131	°C	ASTM D1525
Vicat Softening Temp, Rate B/120	132	°C	ASTM D1525
CTE, -40°C to 40°C, flow	8.50E-05	1/°C	ASTM E831
CTE, -40°C to 40°C, xflow	1.05E-04	1/°C	ASTM E831

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