NORYL™ 731F resin

About
PPE+PS blend. Unfilled. NSF listed for potable water use in several colors (Standard 61). FDA compliant in several colors (restrictions apply). UL94 HB rated. Low water absorption. Hydrolytic stability. Dimensional stability. Suitable for fluid engineering applications: valve components, water pump housings, etc. This grade will no longer be supported with biocompatibility information and should not be used for medical applications which require biocompatibility. Alternative grade HN731A.&&

Product Description
SupplierSABIC
GenericPPO(PPE)+PS
Material StatusCommercial: Active
FeaturesGood Dimensional Stability,Hydrolysis stability,Low or no water absorption,HB
AvailabilitysNorth America,Asia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.06g/cm³ASTM D792
Density1.06g/cm³ISO 1183
Melt Flow Rate
280℃,5.0kg9.2g/10minASTM D1238
Melt Volume Rate
280℃,5 kg9.00cm³/10minISO 1133
Shrinkage rate
TD:3.2 mm0.50 to 0.70%Internal Method
MD:3.2 mm0.50 to 0.70%Internal Method
Water absorption rate
Saturation, 23 ℃0.23%ISO 62
Equilibrium, 23 ℃, 50% RH0.060%ISO 62
24hr0.060%ASTM D570

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃17kJ/m²ISO 179/1eA
Impact strength of cantilever beam notch ASTM D256
-40℃130J/mASTM D256
23℃210J/mASTM D256
Impact strength of cantilever beam notch ISO 180/1A
-30℃5.0kJ/m²ISO 180-1A
23℃17kJ/m²ISO 180-1A
Dart impact equipped with measuring instruments
23℃,Total Energy48.8JASTM D3763
Drop hammer impact ASTM D3029
-40℃5.42JASTM D3029
-30℃25.8JASTM D3029

THERMALNominal valueUnitTest method
Hot deformation temperature ASTM D648
1.8 MPa, unannealed, 64 mm span120ISO 75-2/Af
1.8 MPa, unannealed, 3.2 mm118ASTM D648
1.8 MPa, unannealed, 6.4 mm127ASTM D648
0.45 MPa, unannealed, 3.2 mm132ASTM D648
0.45 MPa, unannealed, 6.4 mm137ASTM D648
Vicat Softening Temp149ASTM D1525 11
Vicat Softening Temp 
B50140ISO 306
B120143ISO 306/B120
Linear coefficient of thermal expansion
TD:-40~40℃9.5E-51/℃ASTM E831
TD:-40~40℃9.5E-51/℃ISO 11359-2
MD:-40~40℃9.2E-51/℃ASTM E831
MD:-40~40℃9.2E-51/℃ISO 11359-2
Relative temperature index
Electrical performance105UL 746
Strength mechanical performance105UL 746
Impact mechanical performance90.0UL 746

Electrical performanceNominal valueUnitTest method
Dielectric strength
3.2 mm in oil22kV/mmASTM D149
Dielectric constant ASTM D150
50 Hz2.65 ASTM D150
60 Hz2.65 ASTM D150
Dissipation factor ASTM D150
50 Hz4.0E-4 ASTM D150
60 Hz4.0E-4 ASTM D150
Arc resistancePLC 7 ASTM D495
Compared to the leakage tracing indexPLC 3 UL 746
High Arc Burning Index (HAI)PLC 0 UL 746
High voltage arc marking rate
HVTRPLC 4 UL 746
Hot wire ignition
HWIPLC 2 UL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
1.50 mmHB UL 94
Extreme oxygen index22%ASTM D2863

MECHANICALNominal valueUnitTest method
Tensile modulus2860MPaASTM D638
Tensile modulus2700MPaISO 527-1-2
tensile strength
fracture49.6MPaASTM D638
fracture51.0MPaISO 527-2/50
yield57.0MPaISO 527-2/50
yield58.6MPaASTM D638
Tensile strain
fracture28%ASTM D638
fracture17%ISO 527-2/50
yield3.5%ISO 527-2/50
yield7.2%ASTM D638
Bending modulus ASTM D790
100 mm span2420MPaASTM D790
50 mm span2650MPaASTM D790
Bending modulus2550MPaISO 178
bending strength95.0MPaISO 178
bending strength ASTM D790
Yield, 50 mm span90.3MPaASTM D790
Yield, 100 mm span89.6MPaASTM D790
Rockwell hardness
R-level119 ASTM D785

Process Conditions
injectionNominal valueUnitTest method
Drying temperature104 to 110°C
Drying time3.0 to 4.0hr
Drying time, maximum8.0hr
Recommended maximum moisture content0.020%
Recommended injection volume30 to 70%
Barrel rear temperature249 to 299°C
Barrel middle temperature260 to 304°C
Barrel front temperature271 to 310°C
Nozzle temperature282 to 310°C
Processing (melt) temperature282 to 310°C
Mold temperature77 to 104°C
Back pressure0.345 to 0.689MPa
Screw speed20 to 100rpm

Notes
1. Typical properties: these are not to be construed as specifications.
2. 2.0 in/min
3. Type I, 2.0 in/min
4. 0.10 in/min
5. 0.051 in/min
6. 0.079 in/min
7. at Yield
8. 80*10*4 sp=62mm
9. 80*10*4 mm
10. Rate A (50°C/h), Loading 2 (50 N)
11. Tungsten Electrode
12. Surface
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