NORYL™ Resin 731

NORYL 731 resin is a non-reinforced blend of polyphenylene ether (PPE) + polystyrene (PS). This injection moldable grade exhibits good surface appearance, high ductility, and good impact resistance along with low moisture absorption, creep resistance, dimensional stability, and hydrolytic stability. NORYL 731 resin is an excellent candidate for a variety of applications.

Product Family

NORYL™ RESINS

Polymer Family

Polyphenylene Ether + PS (PPE+PS)

Processing Technology

Injection Molding

Where to buy

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

Americas

Colors

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

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Features

Key characteristics of the material

Amorphous
Dimensional stability
Hydrolytic Stability
Low Moisture Absorption
Low Shrinkage
Low Specific Gravity
Low Warpage
No PFAS intentionally added

Industry

Material previously used in

Building Component
Commercial Appliance
Consumer Goods
Electrical
Home Appliances
Mobile Phone - Computer - Tablets

Applications

Possible usage of material

Aerospace
Amusement Machine
Animal Testing
ATM/Ticket Machine
Audio
Auto Aftermarket
Auto Electrical
Bottles
Building Accessory
Building Element
Building/Construction Sheet
Circuit Protection
Coffee Maker/Espresso Machine
Conveyor
Data Management
Dishwasher
Displays
Document Handling
Doors Hardware/Trim
Electronic Components
Electronics
Enclosure/Housing/Cover
Enclosures
EV Infrastructure
Fixture Bath/Shower
Food Transportation
Furnace/Heater
Gas/Electric Oven
Head Protection
Heavy Vehicles
Hot Water System
Ignition System
Lab Ware and Clinical Diagnostics
Laundry Dryer
Lawn/Garden
LED Lighting
Medical Device
Meter Gas
Meter Water
Monitoring and Imaging
Non-LED Lighting
Personal Computing
Pharmaceutical Packaging & Drug Delivery
Pipe/Fitting
Plumbing
Power Boat
Pump
Recreational Vehicle
Refrigerator
Renal and Blood Handling
Sanitary
Security/Detection
Small Appliance
Surgical Tray
Swimming Pool/Spa
Vending Machine
Washing Machine
Watch/Jewelry
Water Treatment/Filtration
Wearables
Wheel Cover
Wireless Communications
Wiring Devices

Technical Datasheet Data

View different characteristics of the material at a standard test conditions

Region

ELECTRICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Dielectric Strength, in oil, 3.2 mm	21.6	kV/mm	ASTM D149
Relative Permittivity, 50/60 Hz	2.65	-	ASTM D150
Dissipation Factor, 50/60 Hz	0.0004	-	ASTM D150
High Voltage Arc Track Rate {PLC}	4	PLC Code	UL 746A
Comparative Tracking Index (UL) {PLC}	3	PLC Code	UL 746A
High Amp Arc Ignition (HAI), PLC 0	≥1.5	mm	UL 746A
High Amp Arc Ignition (HAI), PLC 4	≥6	mm	UL 746A
Hot-Wire Ignition (HWI), PLC 2	≥1.5	mm	UL 746A
Hot-Wire Ignition (HWI), PLC 4	≥6	mm	UL 746A
Arc Resistance, Tungsten {PLC}	7	PLC Code	ASTM D495

FLAME CHARACTERISTICS

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
UL Yellow Card Link	View	-	-
UL Recognized, 94HB Flame Class Rating	≥1.5	mm	UL 94
Oxygen Index (LOI)	22	%	ASTM D2863

IMPACT

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Izod Impact, notched, 23°C	213	J/m	ASTM D256
Izod Impact, notched, -40°C	133	J/m	ASTM D256
Gardner, -30°C	25	J	ASTM D3029
Gardner, -40°C	5	J	ASTM D3029
Instrumented Dart Impact Total Energy, 23°C	48	J	ASTM D3763
*Izod Impact, notched 80104 +23°C*	17	kJ/m²	ISO 180/1A
*Izod Impact, notched 80104 -30°C*	5	kJ/m²	ISO 180/1A
*Charpy 23°C, V-notch Edgew 80104 sp=62mm*	17	kJ/m²	ISO 179/1eA

INJECTION MOLDING

PROPERTIES	TYPICAL VALUES	UNITS
Drying Temperature	105 - 110	°C
Drying Time	3 - 4	Hrs
Drying Time (Cumulative)	8	Hrs
Maximum Moisture Content	0.02	%
Melt Temperature	280 - 310	°C
Nozzle Temperature	280 - 310	°C
Front - Zone 3 Temperature	270 - 310	°C
Middle - Zone 2 Temperature	260 - 305	°C
Rear - Zone 1 Temperature	250 - 300	°C
Mold Temperature	75 - 105	°C
Back Pressure	0.3 - 0.7	MPa
Screw Speed	20 - 100	rpm
Shot to Cylinder Size	30 - 70	%

MECHANICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Tensile Stress, yld, Type I, 50 mm/min	58	MPa	ASTM D638
Tensile Stress, brk, Type I, 50 mm/min	49	MPa	ASTM D638
Tensile Strain, yld, Type I, 50 mm/min	7.2	%	ASTM D638
Tensile Strain, brk, Type I, 50 mm/min	28.1	%	ASTM D638
Tensile Modulus, 50 mm/min	2860	MPa	ASTM D638
Flexural Stress, yld, 1.3 mm/min, 50 mm span	90	MPa	ASTM D790
Flexural Stress, yld, 2.6 mm/min, 100 mm span	89	MPa	ASTM D790
Flexural Modulus, 1.3 mm/min, 50 mm span	2640	MPa	ASTM D790
Flexural Modulus, 2.6 mm/min, 100 mm span	2420	MPa	ASTM D790
Hardness, Rockwell R	119	-	ASTM D785
Tensile Stress, yield, 50 mm/min	57	MPa	ISO 527
Tensile Stress, break, 50 mm/min	51	MPa	ISO 527
Tensile Strain, yield, 50 mm/min	3.5	%	ISO 527
Tensile Strain, break, 50 mm/min	17	%	ISO 527
Tensile Modulus, 1 mm/min	2700	MPa	ISO 527
Flexural Stress, yield, 2 mm/min	95	MPa	ISO 178
Flexural Modulus, 2 mm/min	2550	MPa	ISO 178

PHYSICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Specific Gravity	1.06	-	ASTM D792
Water Absorption, (23°C/24hrs)	0.06	%	ASTM D570
Mold Shrinkage, flow, 3.2 mm	0.5 - 0.7	%	SABIC method
Mold Shrinkage, xflow, 3.2 mm	0.5 - 0.7	%	SABIC method
Melt Flow Rate, 280°C/5.0 kgf	9.2	g/10 min	ASTM D1238
Density	1.06	g/cm³	ISO 1183
Water Absorption, (23°C/saturated)	0.23	%	ISO 62-1
Moisture Absorption (23°C / 50% RH)	0.06	%	ISO 62
Melt Volume Rate, MVR at 280°C/5.0 kg	9	cm³/10 min	ISO 1133

THERMAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Vicat Softening Temp, Rate B/50	148	°C	ASTM D1525
HDT, 0.45 MPa, 3.2 mm, unannealed	131	°C	ASTM D648
HDT, 1.82 MPa, 3.2mm, unannealed	117	°C	ASTM D648
HDT, 0.45 MPa, 6.4 mm, unannealed	137	°C	ASTM D648
HDT, 1.82 MPa, 6.4 mm, unannealed	126	°C	ASTM D648
CTE, -40°C to 40°C, flow	9.18E-05	1/°C	ASTM E831
CTE, -40°C to 40°C, xflow	9.54E-05	1/°C	ASTM E831
CTE, -40°C to 40°C, flow	9.18E-05	1/°C	ISO 11359-2
CTE, -40°C to 40°C, xflow	9.54E-05	1/°C	ISO 11359-2
Vicat Softening Temp, Rate B/50	140	°C	ISO 306
Vicat Softening Temp, Rate B/120	143	°C	ISO 306
*HDT/Af, 1.8 MPa Flatw 80104 sp=64mm*	120	°C	ISO 75/Af
Relative Temp Index, Elec	105	°C	UL 746B
Relative Temp Index, Mech w/impact	90	°C	UL 746B
Relative Temp Index, Mech w/o impact	105	°C	UL 746B

ELECTRICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
High Voltage Arc Track Rate {PLC}	4	PLC Code	UL 746A
Comparative Tracking Index (UL) {PLC}	2	PLC Code	UL 746A
High Amp Arc Ignition (HAI), PLC 3	≥1.5	mm	UL 746A
Hot-Wire Ignition (HWI), PLC 1	≥1.5	mm	UL 746A
Hot-Wire Ignition (HWI), PLC 2	≥3	mm	UL 746A
Arc Resistance, Tungsten {PLC}	6	PLC Code	ASTM D495

FLAME CHARACTERISTICS

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
UL Yellow Card Link	View	-	-
UL Yellow Card Link 2	View	-	-
UL Recognized, 94HB Flame Class Rating	≥1.5	mm	UL 94

IMPACT

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Izod Impact, unnotched, 23°C	800	J/m	ASTM D4812
Izod Impact, notched, 23°C	150	J/m	ASTM D256
Izod Impact, notched, -30°C	120	J/m	ASTM D256
Instrumented Dart Impact Total Energy, 23°C	55	J	ASTM D3763
*Izod Impact, unnotched 80104 +23°C*	60	kJ/m²	ISO 180/1U
*Izod Impact, unnotched 80104 -30°C*	55	kJ/m²	ISO 180/1U
*Izod Impact, notched 80104 +23°C*	16	kJ/m²	ISO 180/1A
*Izod Impact, notched 80104 -30°C*	11	kJ/m²	ISO 180/1A
*Charpy 23°C, V-notch Edgew 80104 sp=62mm*	13	kJ/m²	ISO 179/1eA

INJECTION MOLDING

PROPERTIES	TYPICAL VALUES	UNITS
Drying Temperature	105 - 110	°C
Drying Time	3 - 4	Hrs
Drying Time (Cumulative)	8	Hrs
Maximum Moisture Content	0.02	%
Melt Temperature	280 - 310	°C
Nozzle Temperature	280 - 310	°C
Front - Zone 3 Temperature	270 - 310	°C
Middle - Zone 2 Temperature	260 - 305	°C
Rear - Zone 1 Temperature	250 - 300	°C
Mold Temperature	75 - 105	°C
Back Pressure	0.3 - 0.7	MPa
Screw Speed	20 - 100	rpm
Shot to Cylinder Size	30 - 70	%

MECHANICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Tensile Stress, yld, Type I, 50 mm/min	54	MPa	ASTM D638
Tensile Stress, brk, Type I, 50 mm/min	45	MPa	ASTM D638
Tensile Strain, yld, Type I, 50 mm/min	4	%	ASTM D638
Tensile Strain, brk, Type I, 50 mm/min	30	%	ASTM D638
Tensile Modulus, 5 mm/min	2400	MPa	ASTM D638
Flexural Stress, yld, 1.3 mm/min, 50 mm span	75	MPa	ASTM D790
Flexural Modulus, 1.3 mm/min, 50 mm span	2100	MPa	ASTM D790
Tensile Stress, yield, 50 mm/min	40	MPa	ISO 527
Tensile Stress, break, 50 mm/min	40	MPa	ISO 527
Tensile Strain, yield, 50 mm/min	70	%	ISO 527
Tensile Strain, break, 50 mm/min	70	%	ISO 527
Tensile Modulus, 1 mm/min	2100	MPa	ISO 527
Flexural Stress, yield, 2 mm/min	80	MPa	ISO 178
Flexural Modulus, 2 mm/min	2300	MPa	ISO 178

PHYSICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Specific Gravity	1.08	-	ASTM D792
Mold Shrinkage, flow, 3.2 mm	0.5 - 0.8	%	SABIC method
Melt Flow Rate, 280°C/5.0 kgf	11	g/10 min	ASTM D1238
Water Absorption, (23°C/24hrs)	0.13	%	ISO 62-1
Moisture Absorption, (23°C/50% RH/Equilibrium)	0.04	%	ISO 62-4
Melt Volume Rate, MVR at 280°C/5.0 kg	12	cm³/10 min	ISO 1133

THERMAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Vicat Softening Temp, Rate B/50	133	°C	ASTM D1525
HDT, 1.82 MPa, 3.2mm, unannealed	110	°C	ASTM D648
HDT, 1.82 MPa, 6.4 mm, unannealed	124	°C	ASTM D648
CTE, -40°C to 40°C, flow	7.2E-05	1/°C	ASTM E831
CTE, -40°C to 40°C, xflow	8.E-05	1/°C	ASTM E831
CTE, -40°C to 40°C, flow	7.3E-05	1/°C	ISO 11359-2
CTE, -40°C to 40°C, xflow	8.3E-05	1/°C	ISO 11359-2
Vicat Softening Temp, Rate B/50	133	°C	ISO 306
Vicat Softening Temp, Rate B/120	135	°C	ISO 306
*HDT/Af, 1.8 MPa Flatw 80104 sp=64mm*	112	°C	ISO 75/Af
Relative Temp Index, Elec	105	°C	UL 746B
Relative Temp Index, Mech w/impact	90	°C	UL 746B
Relative Temp Index, Mech w/o impact	105	°C	UL 746B

ELECTRICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
High Voltage Arc Track Rate {PLC}	4	PLC Code	UL 746A
Volume Resistivity	1.E+15	Ω.cm	IEC 60093
Surface Resistivity, ROA	>1.E+15	Ω	IEC 60093
Dielectric Strength, in oil, 3.2 mm	19	kV/mm	IEC 60243-1
Relative Permittivity, 1 MHz	2.6	-	IEC 60250
Dissipation Factor, 50/60 Hz	0.002	-	IEC 60250
Dissipation Factor, 1 MHz	0.001	-	IEC 60250
Comparative Tracking Index	175	V	IEC 60112
Relative Permittivity, 50/60 Hz	2.7	-	IEC 60250
Comparative Tracking Index (UL) {PLC}	2	PLC Code	UL 746A
High Amp Arc Ignition (HAI), PLC 2	≥1.5	mm	UL 746A
High Amp Arc Ignition (HAI), PLC 3	≥3	mm	UL 746A
Hot-Wire Ignition (HWI), PLC 1	≥1.5	mm	UL 746A
Arc Resistance, Tungsten {PLC}	6	PLC Code	ASTM D495

FLAME CHARACTERISTICS

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
UL Yellow Card Link	View	-	-
UL Recognized, 94HB Flame Class Rating	≥1.5	mm	UL 94
Glow Wire Flammability Index 750°C, passes at	3.2	mm	IEC 60695-2-12
Oxygen Index (LOI)	22	%	ISO 4589

IMPACT

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
*Izod Impact, notched 80104 +23°C*	15	kJ/m²	ISO 180/1A
*Izod Impact, notched 80104 -30°C*	5	kJ/m²	ISO 180/1A
*Charpy 23°C, V-notch Edgew 80104 sp=62mm*	15	kJ/m²	ISO 179/1eA
*Charpy -30°C, V-notch Edgew 80104 sp=62mm*	5	kJ/m²	ISO 179/1eA

INJECTION MOLDING

PROPERTIES	TYPICAL VALUES	UNITS
Drying Temperature	100 - 120	°C
Drying Time	2 - 3	Hrs
Melt Temperature	280 - 300	°C
Nozzle Temperature	260 - 280	°C
Front - Zone 3 Temperature	280 - 300	°C
Middle - Zone 2 Temperature	260 - 280	°C
Rear - Zone 1 Temperature	240 - 260	°C
Hopper Temperature	60 - 80	°C
Mold Temperature	80 - 120	°C

MECHANICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Taber Abrasion, CS-17, 1 kg	65	mg/1000cy	SABIC method
Tensile Stress, yield, 50 mm/min	55	MPa	ISO 527
Tensile Stress, break, 50 mm/min	50	MPa	ISO 527
Tensile Strain, yield, 50 mm/min	5	%	ISO 527
Tensile Strain, break, 50 mm/min	30	%	ISO 527
Tensile Modulus, 1 mm/min	2300	MPa	ISO 527
Flexural Stress, yield, 2 mm/min	75	MPa	ISO 178
Flexural Modulus, 2 mm/min	2200	MPa	ISO 178
Ball Indentation Hardness, H358/30	100	MPa	ISO 2039-1

PHYSICAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Mold Shrinkage on Tensile Bar, flow	0.5 - 0.7	%	SABIC method
Density	1.06	g/cm³	ISO 1183
Water Absorption, (23°C/saturated)	0.23	%	ISO 62-1
Moisture Absorption (23°C / 50% RH)	0.06	%	ISO 62
Melt Volume Rate, MVR at 280°C/5.0 kg	8	cm³/10 min	ISO 1133

PROFILE EXTRUSION

PROPERTIES	TYPICAL VALUES	UNITS
Drying Temperature	100 - 110	°C
Drying Time	2 - 3	Hrs
Melt Temperature	250 - 270	°C
Barrel - Zone 1 Temperature	220 - 240	°C
Barrel - Zone 2 Temperature	230 - 250	°C
Barrel - Zone 3 Temperature	250 - 270	°C
Barrel - Zone 4 Temperature	250 - 270	°C
Hopper Temperature	40 - 60	°C
Adapter Temperature	250 - 270	°C
Die Temperature	250 - 270	°C
Calibrator Temperature	60 - 80	°C

THERMAL

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
Thermal Conductivity	0.22	W/m-°C	ISO 8302
CTE, 23°C to 80°C, flow	7.E-05	1/°C	ISO 11359-2
CTE, 23°C to 80°C, xflow	7.E-05	1/°C	ISO 11359-2
Ball Pressure Test, 125°C +/- 2°C	PASSES	-	IEC 60695-10-2
Ball Pressure Test, approximate maximum	133	°C	IEC 60695-10-2
Vicat Softening Temp, Rate A/50	145	°C	ISO 306
Vicat Softening Temp, Rate B/50	135	°C	ISO 306
Vicat Softening Temp, Rate B/120	140	°C	ISO 306
*HDT/Be, 0.45MPa Edgew 120104 sp=100mm*	130	°C	ISO 75/Be
*HDT/Ae, 1.8 MPa Edgew 120104 sp=100mm*	115	°C	ISO 75/Ae
Relative Temp Index, Elec	105	°C	UL 746B
Relative Temp Index, Mech w/impact	90	°C	UL 746B
Relative Temp Index, Mech w/o impact	105	°C	UL 746B

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NORYL™ Resin 731

Product Family

Polymer Family

Processing Technology

Where to buy

Colors

Features

Industry

Applications

Technical Datasheet Data

ELECTRICAL

FLAME CHARACTERISTICS

IMPACT

INJECTION MOLDING

MECHANICAL

PHYSICAL

THERMAL

ELECTRICAL

FLAME CHARACTERISTICS

IMPACT

INJECTION MOLDING

MECHANICAL

PHYSICAL

THERMAL

ELECTRICAL

FLAME CHARACTERISTICS

IMPACT

INJECTION MOLDING

MECHANICAL

PHYSICAL

PROFILE EXTRUSION

THERMAL

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Technical Data Sheets

Literature

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