Loading Port:Shanghai
Payment Terms:TT OR LC
Min Order Qty:-
Supply Capability:3000 Tons kg/month
EPDM shield rubber compound for medium voltage cable
I. Type and application
Type | Product | Application |
XB-34A | 90℃ Shield rubber compound for medium voltage cable | Unpeelable shield rubber compound for 6～30KV medium voltage cables and wires |
XB-34B1 | 90℃ Shield rubber compound for medium voltage cable | Inner shield rubber compound for 6/10KVmedium voltage cables and wires |
XB-34K1 | 90℃ Peelable shield rubber compound for medium voltage cable | Peelable outer shield rubber compound for 6/10KVmedium voltage cables and wires |
XB-34B2 | 90℃ Shield rubber compound for medium voltage cable | Inner shield rubber compound for 8.5/15KV medium voltage cables and wires |
XB-34K2 | 90℃Peelable shield rubber compound for medium voltage cable | Peelable outer shield rubber compound for 8.5/15KV medium voltage cables and wires |
II. Product description
XB series shield rubber compound for medium voltage cable, based onEPDM rubber, is mixed with various additives, and is elaborated in theextra-clean conditions. The compound has outstanding performances of vulcanization, processing, electricconduction and shield properties. The compound is complied withQ/320585JSDT058-2003 standard.
III. Processing
Processing Equipment | Compression ratio | L/D | Processing temp. | Recommended vulcanize temp. |
Common rubber extruder | 1.1：1～1.5：1 | 5：1～20：1 | 60～110℃ | 160-200℃ |
IV. Maximum useful shelf life
12 months at 20℃, 6 months at 30℃.
V. Properties
Table
Item | XB-34A | XB-34B1 | XB-34K1 | XB-34B2 | XB-34K2 | |||||
Standard | Typical | Standard | Typical | Standard | Typical | Standard | Typical | Standard | Typical | |
Tensile Strength N/mm2 | ≥7.0 | 10.1 | ≥7.0 | 10.4 | ≥7.0 | 9.0 | ≥7.0 | 11.2 | ≥7.0 | 9.6 |
Elongation at Break % | ≥200 | 472 | ≥200 | 430 | ≥200 | 420 | ≥200 | 460 | ≥200 | 440 |
Oven aging |
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Aging condition 135℃168h |
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Tensile Strength N/mm2 |
| 10.6 |
| 10.6 |
| 9.3 |
| 12.0 |
| 10.6 |
Variation % | ±20 | +5 | ±20 | +2 | ±20 | +3 | ±20 | +7 | ±20 | +10.4 |
Elongation at Break % |
| 450 |
| 400 |
| 400 |
| 450 |
| 410 |
Variation % | ±30 | -4 | ±30 | -7 | ±30 | -5 | ±30 | -2 | ±30 | -7 |
Hot Prolongation |
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Testing Temp. 200℃ |
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Conditions 15min20N/cm2 |
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Elongation Under Load % | ≤175 | 70 | ≤175 | 50 | ≤175 | 60 | ≤175 | 60 | ≤175 | 70 |
Permanent Elongation after cooling % | ≤15 | 10 | ≤15 | 0 | ≤15 | 10 | ≤15 | 0 | ≤15 | 10 |
Volume Resistivity at20℃Ω﹒cm | ≤100 | 8 | ≤100 | 43 | ≤100 | 45 | ≤100 | 25 | ≤100 | 30 |
