EPDM shield rubber compound for medium voltage cable

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

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Supply Capability:: 3000 Tons kg/month

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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
Item	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
Aging condition 135℃168h
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
Testing Temp. 200℃
Conditions 15min20N/cm²
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

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