High Electrical Insulation 4kv Silicone Rubber Coated Fiberglass Sleeving
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Product Attributes
- Customization
- Available
- Certification
- RoHS, ISO, IATF16949,UL,ISO9001
- Color
- White,Natural,Black,Green,Yellow,Red,Brown,etc
- Model NO.
- NS-GF200RUB-N
- IP Rating
- Insulation
- Usage
- Insulation Sleeve
- Material
- Silicone Rubber
- Type
- Insulation Sleeve
- Application
- Insulators,Wiring Harness Insulation
- Chemistry
- Organic Insulation
- Thermal Rating
- 250 250
- Maximum Voltage
- <10kv
- Brand
- Volsun
- Sample
- Free
- MOQ
- 200m
- Transport Package
- Standard Carton Package
- Specification
- 0.5-30mm
- Trademark
- Volsun
- Origin
- Suzhou
- HS Code
- 85479090
- Production Capacity
- 50000m/Day
- Package Size
- 22.00cm * 22.00cm * 10.00cm
- Package Gross Weight
- 0.300kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of High Electrical Insulation 4kv Silicone Rubber Coated Fiberglass Sleeving
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Product Description
Made of alkali-free glass fiber woven into a tube, coated with silicone rubber on the outer layer of the tube, and then cured. It has high dielectric strength, good flexibility, heat aging resistance, oil resistance, flame retardancy, and temperature resistance up to 200°C. Widely used in circuit insulation protection for new energy vehicles, special vehicles, rail transit, aerospace, etc.
Features
• Operating Temperature:-40ºC~200ºC
• Environmental Standard:RoHS, REACH
• Standard color:Transparent, White, Black, Red, Yellow, Blue, Green, Orange, other colors are available on request.
Technical Data
| Items | Technical Parameters | Reference Standard |
| Appearance | No glue leakage, cracking, etc. | GB/T 7113.1-2014 |
| Coating hydrolysis | No coating displacement, adhesion, etc. | GB/T 7113.2 |
| Cold bending test | -40ºC,4h,No cracks, coating peeling and delamination | IEC60684 |
| Temperature | -40ºC~200ºC | UL1441 |
| Flame retardant rating | HB | UL94 |
| Breakdown voltage | Reference standard | GB/T 1408-2016 |
| Heat Resistance | 250ºC±5, 24h, No droplets, no flow marks, no cracking | JB/T 7093 2015 |
Dimension:
| I.D.(mm) | Wall Thickness(mm) | Package | ||||
| Size | Tolerance | 1500V | 2500V | 4000V | 7000V | M/Roll |
| Φ1.0 | -0.10~0.20 | 0.3±0.1 | 0.35±0.1 | 0.40±0.1 | 0.45±0.1 | 200 |
| Φ2.0 | -0.10~0.25 | 0.35±0.1 | 0.40±0.1 | 0.45±0.1 | 0.5±0.1 | 100 |
| Φ3.0 | -0.10~0.25 | 0.35±0.1 | 0.40±0.1 | 0.45±0.1 | 0.5±0.1 | 100 |
| Φ4.0 | -0.10~0.35 | 0.4±0.1 | 0.45±0.1 | 0.50±0.1 | 0.55±0.1 | 100 |
| Φ5.0 | -0.10~0.35 | 0.4±0.1 | 0.45±0.1 | 0.50±0.1 | 0.55±0.1 | 100 |
| Φ6.0 | -0.10~0.40 | 0.45±0.1 | 0.50±0.1 | 0.55±0.1 | 0.60±0.1 | 100 |
| Φ7.0 | -0.10~0.50 | 0.45±0.1 | 0.50±0.1 | 0.55±0.1 | 0.60±0.1 | 100 |
| Φ8.0 | -0.10~0.50 | 0.45±0.1 | 0.50±0.1 | 0.55±0.1 | 0.65±0.1 | 50 |
| Φ9.0 | -0.10~0.50 | 0.45±0.1 | 0.50±0.1 | 0.55±0.1 | 0.65±0.1 | 50 |
| Φ10.0 | -0.20~0.70 | 0.50±0.15 | 0.55±0.15 | 0.65±0.15 | 0.7±0.15 | 50 |
| Φ11.0 | -0.20~0.70 | 0.50±0.15 | 0.55±0.15 | 0.65±0.15 | 0.7±0.15 | 50 |
| Φ12.0 | -0.20~0.70 | 0.50±0.15 | 0.55±0.15 | 0.65±0.15 | 0.7±0.15 | 50 |
| Φ13.0 | -0.30~0.80 | 0.55±0.15 | 0.60±0.15 | 0.70±0.15 | 0.75±0.15 | 50 |
| Φ14.0 | -0.30~0.80 | 0.55±0.15 | 0.60±0.15 | 0.70±0.15 | 0.75±0.15 | 50 |
| Φ15.0 | -0.30~0.80 | 0.55±0.15 | 0.60±0.15 | 0.70±0.15 | 0.75±0.15 | 50 |
| Φ16.0 | -0.30~0.80 | 0.55±0.15 | 0.60±0.15 | 0.70±0.15 | 0.75±0.15 | 50 |
| Φ17.0 | -0.50~1.00 | 0.60±0.20 | 0.60±0.20 | 0.75±0.20 | 0.80±0.20 | 30 |
| Φ18.0 | -0.50~1.00 | 0.60±0.20 | 0.65±0.20 | 0.75±0.20 | 0.80±0.20 | 30 |
| Φ19.0 | -0.50~1.00 | 0.60±0.20 | 0.65±0.20 | 0.8±0.20 | 0.85±0.20 | 30 |
| Φ20.0 | -0.50~1.00 | 0.60±0.20 | 0.65±0.20 | 0.8±0.20 | 0.85±0.20 | 30 |
| Φ25.0 | -0.50~1.00 | 0.75±0.20 | 0.85±0.20 | 0.95±0.20 | 1.05±0.20 | 30 |
Suzhou Volsun Electronics Technology Co.,Ltd. was founded in 2006. We keep focusing on the R&D, production and sales in insulation, sealing & protection solutions for over 17 years.
Quality is our culture. Volsun has a modern quality management system, which has passed a series of quality system certification such as IATF16949, ISO9001 etc. And we have gained some advanced titles such as Jiangsu famous scientific and technical corporation, China new high-tech enterprise etc. have independent intellectual property rights, 88 patents and 97 product certifications.
Up to now, Volsun cooperated with customers from 88 countries, we offer suitable sealing, waterproof solutions for some well-know enterprises in communication,Automobile, Power industry etc.


| Trade terms | FOB, EXW, CIF, DDU, DDP, CFR |
| Payment terms | T/T, L/C, Negotiable |
| MOQ | 100 |
| Supply capability | 4,000,000 mts per month |
| Lead time | usually 2-3 working days |
| Shipment | Express, Air, Sea |
| Port | Shanghai, Ningbo, Shenzhen |
| Sample availability | Yes |
| Sample time | usually 1-2 days |
| Packaging |
Normal: Plastic bag & Carton & Pallet Special: Customized packing |
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR254127". Items marked "" are certified.
Company Profile
Volsun was founded in 2006, as the pioneer of cold shrink tube manufacturer in China, we keep focusing on the R & D, production and sales in insulation, sealing & protection solutions for more than 18 years.
Quality is our culture. Volsun has a modern quality management system, which has passed a series of quality system cerfification such as IATF 16949, ISO9001, etc., and we have gained some advanced titles such as Jiangsu famous scienfific and technical corporation, China new high-tech enterprise etc. Have independent intellectual property rights, 88 patents and 97 product certifications.
Up to now, Volsun cooperated with customers from 88 countries, we offer suitable sealing, waterprooof solutions for some well-know enterprises in communication, automobile, power industry etc.
Also, for our main products including cold shrink tube, heat shrink tube, silicone rubber products, fiberglass sleeve, self-fusing silicone tape, etc, we have full set of test report which approved by the third party for them, so excellent quality and performance can be guaranteed.
We will keep on innovation, and offer you a better and reliable solution for connectivity is our commitment. Volsun, your specialist in Insulation, Sealing & Protection solutions!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 402 Mudong Road, Wuzhong District, Suzhou City, China 215101
-
Plant Area
- 10050 square meters
-
Number of Employees
- 117
-
Registered Capital
- 23,000,000 RMB
-
Terms of Payment
- LC, T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Piece
-
Supply Chain Partners
- 26
Our Production Capability & Technical Expertise
- Main Products
- Silicone Cold Shrink Tube, EPDM Cold Shrink Tube, Silicone Rubber Overhead Line Cover, Silicone Coated Fiberglass Sleeve, Self-Fusing Silicone Tape, Heat Shrink Tube, Thermal Pad, Waterproof & Insulation Protection Pad, Shaft Grounding Ring, Potting Compound
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2006-10-13
-
Export Year
- 19 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, East Asia(Japan/ South Korea), Australia, Domestic, South Asia
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO45001:2018, ISO14001
-
Product Certification
- UL
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