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Ensinger PEI

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SABIC FLEX NORYL™ Resin WCD891A Polyphenylene Ether + TPE (PPE+TPE) (Americas)
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyphenylene Ether/PPO

Material Notes: FLEX NORYL™ WCD891A resin is a flexible, non-reinforced extrudable blend of Polyphenylene Ether (PPE) + Thermoplastic Elastomer (TPE). This material contains non-halogenated flame retardant and performance capable of meeting UL VW-1 requirements, 80C end use temperature rating, and heat deformation performance as defined by UL 1581. FLEX NORYL WCD891A resin is intended for evaluation in wire insulation and cable jacket applications in dark colors. It has a Shore A Hardness reading of 89 and exhibits superior thermal stability, very low water absorption, good electric properties, and low specific gravity. Processing is typically conducted on standard extrusion equipment, and UL 1581 testing is conducted on 2.0mm wire with 0.12mm X 20 stranded copper conductor.

Features: Flexible,Low Creep Sensitivity,Flame Retardant,Thin Wall,Non-Halogenated,Non-Chlorinated,Non-Brominated,Good Processability,Ductile

Information provided by SABIC

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.08 g/ccASTM D792
Water Absorption 0.16 %
@Time 173000 sec
ASTM D570
Moisture Absorption 0.0200 %Wire Coating Extrusion
Melt Flow 6.9 g/10 min
@Load 2.16 kg,
Temperature 250 °C
ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 8930s reading; ASTM D2240
Tensile Strength at Break 11.0 MPa50 mm/min; ISO 527
 12.0 MPa50 mm/min; ASTM D638
 18.0 MPaUL 1581
 19.0 MPaafter 7days @113°C; UL 1581
Elongation at Break 219 %50 mm/min; ISO 527
 235 %after 7days @113°C; UL 1581
 239 %50 mm/min; ASTM D638
 250 %UL 1581
Flexural Modulus 210 MPa12.5 mm/min, 100 mm span; ASTM D790
 320 MPa12.5 mm/min; ISO 178
Tear Strength 12.0 kN/mISO 6383
Heat Distortion 22 %
@Load 0.250 kg,
Temperature 100 °C
UL 1581
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 5.30e+15 ohm-cmIEC 60093
Dielectric Constant 3.1
@Frequency 1e+6 Hz
IEC 60250
 3.6
@Frequency 50.0 - 60.0 Hz
IEC 60250
Dielectric Strength 25.0 kV/mm
@Thickness 2.00 mm
in oil; IEC 60243-1
Dissipation Factor 0.017
@Frequency 1e+6 Hz
IEC 60250
 0.026
@Frequency 50.0 - 60.0 Hz
IEC 60250
Comparative Tracking Index 600 VIEC 60112
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 80.0 °CUL temperature rating; UL 1581
Brittleness Temperature <= -40.0 °CASTM D746
Smoke Density 690.5mm plaque, Non-flame, Ds, max; ASTM E662
 1170.5mm plaque, Flame, Ds, max; ASTM E662
Oxygen Index 26 %ISO 4589
Glow Wire Ignition Temperature 850 °C
@Thickness 3.00 mm
IEC 60695-2-13
Glow Wire Flammability Index 850 °C
@Thickness 3.00 mm
IEC 60695-2-12
 
Processing PropertiesOriginal ValueComments
Processing Temperature 15.0 - 80.0 °CWater Bath Temperature
 240 - 260 °CNeck Temperature
Feed Temperature 200 - 240 °C
Middle Barrel Temperature 220 - 260 °C
Die Temperature 240 - 260 °CWire Coating Extrusion
Melt Temperature 240 - 260 °CWire Coating Extrusion
Head Temperature 240 - 260 °CCross-head Temperature
 240 - 260 °C
Wire Preheat Temperature 80.0 - 150 °C
Drying Temperature 60.0 - 80.0 °CWire Coating Extrusion
Dry Time 4.00 - 6.00 hourWire Coating Extrusion
 12.0 hourCumulative; Wire Coating Extrusion
Screw Speed 15 - 40 rpm
 
Descriptive Properties
Cooling Water Air Gap100-200 mm
Extruder Length/Diameter Ratio (L/D)22:1 to 26:1
Screen Pack150-100
VW-1PassUL 1581

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