NORYL™ WCD855 resin

About
Flexible and non-halogenated flame retardant extrusion grade intended for evaluation in applications such as cable jacket of UL 62 SPE and NISPE configurations. Flame retardant performance capable of meeting UL 1581 VW-1 requirement. 90C or 105C temperature rating as defined by UL 62 TPE category. 85 Shore A hardness. Processing typically conducted on standard extrusion equipment. UL 1581 tests conducted on 2.0 mm wire with 0.12 mm x 20 stranded copper conductor.&&

Product Description
SupplierSABIC
GenericPPO(PPE)+TPE
Material StatusCommercial: Active
FeaturesGood flexibility,Halogen free,Flame Characteristics
AvailabilitysAsia Pacific

Technical Data
PHYSICALNominal valueUnitTest method
Density1.01g/cm³ASTM D792
Melt Flow Rate
250℃,10.0kg16g/10minASTM D1238

THERMALNominal valueUnitTest method
Embrittlement temperature< -40.0ASTM D746
Heat Deformation(121℃)5.0%UL 1581

Electrical performanceNominal valueUnitTest method
Volume resistivity1.9E+16ohms·cmASTM D257
Dielectric strength
2 mm in oil25kV/mmIEC 60243-1
Dielectric constant
1 MHz2.40ASTM D150
Dissipation factor
1 MHz7.0E-3ASTM D150
Compared to the leakage tracing index600VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
Glowing wire flammability index
3.0 mm850IEC 60695-2-12
Igniting temperature of the hot wire
3 mm825IEC 60695-2-13
Extreme oxygen index27%ISO 4589-2
VW-1PassUL 1581
Smoke densityASTM E662
Flame,0.5 mm plaque,Ds,max110
Non-Flame,0.5 mm plaque,Ds,max47

MECHANICALNominal valueUnitTest method
Shore hardness
Shore A, 30 seconds85ASTM D2240
tensile strength
fracture23.0MPaUL 1581
fracture16.0MPaASTM D638
Fracture, 136 ℃22.0MPaUL 1581
fracture16.0MPaISO 527-2/50
Tensile strain
fracture310%UL 1581
fracture260%ASTM D638
Fracture, 136 ℃250%UL 1581
fracture250%ISO 527-2/50
Bending modulus
100 mm span65.0MPaASTM D790
45.0MPaISO 178

Process Conditions
ExtrusionNominal valueUnitTest method
Drying temperature75.0 to 85.0°C
Drying time5.0 to 7.0hr
Recommended maximum moisture content0.020%
Barrel 1 zone temperature180 to 220°C
Barrel 3 zone temperature220 to 250°C
Barrel 5 zone temperature220 to 250°C
Melt temperature220 to 250°C
Nozzle temperature220 to 250°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. 2.0 mm wire with 0.12 mm x 20 stranded copper
3. Type I, 2.0 in/min
4. After 7 days. Tested on 2.0 mm wire with 0.12 mm x 20 stranded copper
5. 6 days, 2.0 mm wire with 0.12 mm x 20 stranded copper
6. 0.49 in/min
7. 250g, 2.0 mm wire with 0.12 mm x 20 stranded copper
8. Plaque
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