Loading Port:Shanghai
Payment Terms:TT OR LC
Min Order Qty:-
Supply Capability:3000 Tons kg/month
PVCJacket Compound
I. Type andapplication
Type | Product | Application and Cable Specification |
7021N | 70℃ PVC jacket compound | Used for wires and cables which working voltage less than 450/750V, and power cables which working voltage less than 26/35kV, according with PVC/ST4 standard of GB5023 and PVC/S-1 standard of GB12706, and H-70 standard of GBT/8815-2008. |
7022N | 70℃Flexible PVC jacket compound | Used for flexible wires and cables which working voltage less than 450/750V, according with PVC/ST5 standard of GB5023, and HR-70 standard of GBT/8815-2008. |
9021N | 90℃PVC jacket compound | |
9022N | 90℃Flexible PVC jacket compound | Used for flexible wires and cables which working voltage less than 450/750V. |
HⅡ-90 | 90℃PVC jacket compound | Used for heat resistant wires and cables which working voltage less than 450/750V, according with HII-90 standard of GBT/8815-2008, and PVC/ST10 standard of GB5023. |
III. Processing:
It is recommended that compoundshould be processed with common extruder having a minimum L/D ratio of 20.
The following temperature(℃)profile of extruder is recommended:
Zone | Zone 1 | Zone 2 | Zone 3 | Zone 4 | Head | Die |
Temperature ℃ | 140 | 160 | 170 | 175 | 175 | 170 |
IV. Storage andtransport
Packaging：25kg/bag， PE membrane inside bag and Kraft outsidebag.
Storage and transport: Avoiding in directsunlight and weathering. The storage place should be in clean, cool, dry, andventilated conditions.
V. Properties
Table
Unit | Standard Value | ||||||
7021N | 7022N | 9021N | 9022N | HⅡ-90 | |||
≥ MPa | 15.0 | 12.5 | 16.0 | 12.5 | 16.0 | ||
Elongation at Break | ≥ % | 180 | 200 | 180 | 200 | 180 | |
Impact Brittleness Temperature | ℃ | -25 | -30 | -20 | -30 | -20 | |
Volume Resistivity, at 20℃ | ≥Ω﹒m | 1.0×108 | 1.0×108 | 1.0×109 | 1.0×108 | 1.0×109 | |
Dielectric Strength | ≥ MV/m | 18 | 18 | 18 | 18 | 18 | |
Hot Deformation | ≤ % | 50 | 65 | 40 | 65 | 40 | |
Thermal Stability Time at 200℃ | ≥ min | 50 | 60 | 80 | 60 | 180 | |
Thermal Aging |
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Aging Temperature | ℃ | 100±2 | 100±2 | 100±2 | 100±2 | 135±2 | 115±2 |
Aging Time | h | 168 | 168 | 240 | 240 | 240 | 240 |
Tensile Strength after aging | ≥ MPa | 15.0 | 12.5 | 16.0 | 12.5 | 16.0 |
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Variation on Tensile Strength | % | ±20 | ±20 | ±20 | ±20 | ±20 |
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Elongation at Break after aging | ≥ % | 180 | 200 | 180 | 200 | 180 |
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Variation on Elongation at Break | % | ±20 | ±20 | ±20 | ±20 | ±20 |
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Loss of Mass | ≤ g/m2 | 23 | 25 | 15 | 25 |
| 20 |
