How to check the quality of bulk order?

We provide pre-production samples to all customers before mass production if needed. We accept third-party inspection, such as SGS, TUV, INTERTEK, BV, etc.

Can you provide customized service?

Yes, we accept customization and can produce products in different sizes, packaging, colors according to requirements.

Outdoor Power Line Protection Electrical Insulation Sleeve Overhead Line Cover

Name: Outdoor Power Line Protection Electrical Insulation Sleeve Overhead Line Cover
Brand: Suzhou Volsun Electronics Technology Co., Ltd.
SKU: 1932014071

Jiangsu, ChinaSuzhou Volsun Electronics Technology Co., Ltd.

US$1.30

100 Meters

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Application

Communication industry, Machine Protection, Insulators

Color

Black, White, Red, Yellow, Green, Blue

Model NO.

RUBNS-OLC

Flexibility

Flexible

Inner Diameter

Customized

Material

Siliocne Rubber

Maximum Voltage

10kv-220kv

Outer Diameter

Customized

Thermal Rating

220 220

Thickness

Customized

Dielectric Constant

2-3

Shore Hardness

70±5 a

Tensile Strength

4 MPa

Electrical Strength

20 Kv/mm

Elongation at Break

200%

Volume Resistivity

>1014

Chemistry

Organic Insulation

Classification

Hybrid Insulation Materials

Certification

ISO9001

Type

Silicon Rubber Protection Cover

Brand

Volsun

Transport Package

Standard Export Package

Specification

RoHS

Trademark

Volsun

Origin

Jiangsu

HS Code

85479090

Production Capacity

50000 M/Month

Key features

Wide Voltage Coverage: Provides insulation protection for overhead lines from 10kV to 220kV.

Customizable Dimensions: Inner diameter, outer diameter, and thickness are fully customizable.

High Quality Material: Made of high-quality silicone rubber with no recycled materials used.

Long Service Life: Rated service life reaches 30-50 years, 10 years longer than peers.

Easy Installation: Simple installation saves labor and time with no need for power outage.

Multiple Color Options: Available in Black, White, Red, Yellow, Green, and Blue.

Global Certifications: Certified with ISO9001, IATF16949, UL, ROHS, and REACH standards.

Company profile

Importers and ExportersYears of Export ExperienceStandardized quality controlManagement Certification

Suzhou Volsun Electronics Technology Co., Ltd.

Jiangsu, China

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: ≤3.55h

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:How long is the payment term?

We accept T/T 50% deposit and 50% balance against B/L or L/C copy at sight, also accept Western Union, VISA and Paypal.

Q:What is the normal lead time for product orders?

The average lead time for prototype/first piece is 7~10 days, if tooling is involved, the lead time for production tooling is 10 days, and the average production time after sample approval is 2-3 weeks.

Q:What is your standard packaging?

All goods will be packed in cartons and loaded on pallets. Special packing methods are acceptable when needed.

Q:Can you tell us the monthly production capacity of your products?

It depends on the model, we produce more than 1500 tons of rubber materials per month.

Q:What kind of certificates do you have?

We have ISO9001:2015 ,IATF16949:2016, ISO14001:2015 ,ISO45001:2018 certified. We have various rubber compounds approved by UL, ROHS and REACH.