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Waterproof Insulating Sleeving Silicone Rubber Power Overhead Line Cover
US$2.50
50-299 Meters
US$2.30
300-999 Meters
US$2.10
1,000+ Meters
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableApplication
Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Insulating Varnish, Switch BaseplateColor
Yellow, Red, Green, WhiteModel NO.
RUBNS-OLCMaterial
RubberMaximum Voltage
<10KVThermal Rating
250 250Dielectric Constant
2-3Shore Hardness
70±5 aTensile Strength
4 MPaElectrical Strength
20 Kv/mmElongation at Break
200%Volume Resistivity
>1014Type
Insulation Sleeve & TubeChemistry
Organic InsulationClassification
Organic Insulating MaterialCertification
ISO9001Brand
VolsunTransport Package
Standard Carton PackageSpecification
RoHSTrademark
VOLSUNOrigin
ChinaHS Code
8547909000Production Capacity
10000000mtrs/WeekKey features
Corrosion & Aging Resistance: Silicone rubber material offers anti-aging, corrosion resistance, and good corona resistance.
Easy Installation: Soft, fold-resistant design allows simple installation without fire or power outage.
Customizable Dimensions: Size is available to customize to fit specific application requirements.
Wide Application Scope: Suitable for substations, railway catenary systems, and cross-line protection.
Multi-Color Options: Available in Yellow, Red, Green, and White for clear identification.
Certified Quality: ISO9001, IATF16949 certified with 88 patents and 97 product certifications.
Fast Lead Time: Standard lead time is 2-3 working days with 100,000 mts monthly supply capacity.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 19 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.14h
AI-Powered supplier vetting
SummaryVolsun is an industrial materials and components supplier with stated activities covering automotive parts, electronic materials, plastics, rubber, metal products, refractory materials, and fireproof sealing materials. It reports 88 patents, 97 product certifications, customers in 88 countries, and applications in communication, automotive, and power industries. The supplier supports extensive customization and reports new products within the past year, but does not provide 3D software design services. Quality and complaint-handling procedures have documented implementation, while service limitations include no overseas agents or branches, overseas warehouse, overseas showroom, or valid manufacturing-capacity contract with related subcontractors. Exporting experience is stated as 19 years, with a quoted lead time of within 15 working days in both peak and off-season.
Supplier typeThe supplier’s stated business scope includes automotive parts and accessories, electronic specialized materials, plastics, rubber, synthetic rubber, metal materials and products, refractory materials, fireproof sealing materials, and industrial automation systems. This identifies it as a diversified industrial materials and components manufacturer and seller.
CertificationsThe supplier explicitly reports 97 product certifications and 88 patents. The slices do not identify the certification standards, issuing bodies, validity periods, or product coverage, but the stated certification quantity is positive evidence of certification holding.
R&D capabilityThe supplier reports 88 patents, 97 product certifications, and new products within the past year. These statements provide explicit evidence of innovation activity, although the slices do not describe the technical significance or commercial outcomes of the innovations.
Production capacityThe supplier has instructions for finished-product inspection that are uniformly followed, documented quality-assurance procedures, in-stock capability, and stated lead times within 15 working days in both peak and off-season. However, it reports no valid contract between the factory and related subcontractors, so production-capacity governance has a documented weakness despite other positive operational evidence.
Customization capabilityThe supplier explicitly provides customization from samples, designs, full customization, minor customization, and flexible customization, and reports R&D activity with new products in the past year. It does not provide 3D software design services, but the stated customization coverage is broad.
Client casesThe supplier states that it has cooperated with customers from 88 countries and provided sealing and waterproofing solutions to well-known enterprises in the communication, automotive, and power industries. It also reports participation in the EP Shanghai offline trade show, but no customer names, project details, or independently verifiable case outcomes are provided.
Product Q&A
Q:What is the maximum voltage rating?
A:
The product supports voltage ratings up to 220KV, with thickness varying from 2.0mm to 6.0mm based on the voltage level.
Q:Is the size customizable?
A:
Yes, the size is available to customize to meet specific application needs.
Q:What materials are used?
A:
The product is made of silicone rubber, which provides anti-aging, corrosion resistance, and good corona resistance.
Q:What are the main applications?
A:
It is widely used in substation protection, railway catenary systems, and for protecting bare wires in cross-lines.
Q:What is the MOQ?
A:
The Minimum Order Quantity (MOQ) is 1 piece.
Send Inquiry
*To:
Suzhou Volsun Electronics Technology Co., Ltd.
Suzhou Volsun Electronics Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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