High Temperature Resistant Fiberglass High Voltage Insulating Varnish Glass Tube
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Product Highlights
- Flame Retardant Certification: Meets VW-1 flame retardant standard and UL 1441 certification.
- Customizable Dimensions: Available in various sizes from 0.5mm to 30mm with custom options.
- Customizable Colors: Standard white color with other colors available upon request.
- High Dielectric Strength: Minimum average breakdown voltage of 4.0 KV AC for reliable insulation.
- Durable Material Composition: Made of non-alkali fiberglass braided and coated with silicone resin.
- ISO and IATF Certified: Certified under ISO9001 and IATF16949 quality management systems.
- Flexible and Lightweight: Offers good flexibility and dielectric strength for electrical winding.
Product Attributes
- Customization
- Available
- Application
- Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate
- Color
- White
- Model NO.
- SB-SGS-70
- Material
- Fiberglass
- Maximum Voltage
- <10KV
- Thermal Rating
- 200 200
- Customized Size
- Yes
- Customized Color
- Yes
- Flame Retrandant
- VW-1
- UL1441
- Yes
- Type
- Insulation Sleeve & Tube
- Chemistry
- Organic Insulation
- Classification
- Hybrid Insulation Materials
- Certification
- ISO9001, IATF16949
- Brand
- Sunbow
- Transport Package
- 100m/Roll
- Specification
- 0.5~45mm
- Trademark
- SUNBOW
- Origin
- China
- HS Code
- 7019909000
- Production Capacity
- 20000000m/Month
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Product Description
Model Number:SB-SGS-40
Working temperature: 200ºC
Structure
The material content of the SB-SGS-40 is Non-Alkali Fiberglass Braided then coated with silicone resin and treated in high temperature.
Usage
SB-SGS-40 sleeving with its good dielectric strength, flexibility and flame retarding properties make it high performance qualities. It can be widely used in insulated or partially insulated conductors, bus bars, component leads, or assemblies of electrical components etc.
Specification
| Item |
Performance | Note | |
| Dielectric breakdown voltage KV AC | Minimum average | ≥4.0 | Before aged |
| Minimum single point | ≥3.0 | ||
| Minimum average | ≥3.0 | 6 HRS* 245±5ºC 245±5ºC 6HRS AGING |
|
| Minimum single point | ≥2.0 | ||
| Thermal endurance | No indication of crack | OK | 6 HRS* 245±5ºC 245±5ºC 6HRS AGING |
| Fire resistance | VW-1 | OK | UL 1441 |


Dimension
| Inside Diameter | Wall thickness minimum (mm) |
Standard package m/roll | |
| Nominal(mm) | Tolerance(mm) | ||
| φ0.5 | +0.2, -0.1 | ≥0.37 | 200 |
| φ1.0 | +0.2, -0.1 | ≥0.37 | 200 |
| φ1.5 | +0.2, -0.1 | ≥0.37 | 200 |
| φ2.0 | +0.2, -0.1 | ≥0.37 | 200 |
| φ2.5 | +0.3, -0.1 | ≥0.42 | 200 |
| φ3.0 | +0.3, -0.1 | ≥0.42 | 200 |
| φ4.0 | +0.3, -0.1 | ≥0.42 | 200 |
| φ4.5 | +0.3, -0.1 | ≥0.51 | 100 |
| φ5.0 | +0.3, -0.1 | ≥0.51 | 100 |
| φ6.0 | +0.3, -0.1 | ≥0.51 | 100 |
| φ7.0 | +0.3, -0.1 | ≥0.56 | 100 |
| φ8.0 | +0.3, -0.1 | ≥0.56 | 100 |
| φ9.0 | +0.3, -0.1 | ≥0.66 | 100 |
| φ10.0 | +0.3, -0.1 | ≥0.66 | 100 |
| φ12.0 | +1.0, -1.0 | ≥0.66 | 50 |
| φ14.0 | +1.0, -1.0 | ≥0.66 | 50 |
| φ16.0 | +1.0, -1.0 | ≥0.66 | 50 |
| φ18.0 | +1.0, -1.0 | ≥0.66 | 50 |
| φ20.0 | +1.0, -1.0 | ≥0.76 | 25 |
| φ25.0 | +1.0, -1.0 | ≥0.76 | 25 |
| φ30.0 | +1.0, -1.0 | ≥0.76 | 25 |
Package: Packing by rolls or cut upon request.
Color: Standard color is white, other color available upon request.
Certifications
Our company
We SUNBOW is a professional insulation tubing OEM manufacturer in China. Our clients can be found everywhere such as Toshiba, SAMSUNG, Philips---
About Sunbow
1) 10-year exporting experience
2) 15-year manufacturing experience
3) ISO 9001:2008 and TS16949 quality management system certification
4) product certifications: UL, REACH, RoHS
5) business partners:
Sanyo, Panasonic & Tiger, SEB, Philips, Black & Decker, Emerson & Conair, HOT, and Midea
Contact
![]() |
Alex WongI can speak in English and Russian. |
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR222527". Items marked "" are certified.
Company Profile
Shenzhen Sunbow Insulation Materials MFG. Co., Ltd, established in 2003, mainly engaged in the research & Development, manufacture and sale of various insulation sleeving. And we had leading R& D engineers, had a batch of advantageous equipment and testing instruments. Now we had excess of 10 independent patents, gained high-tech enterprise in Shenzhen.
Our main products include fiberglass sleeving, silicone rubber tube, PVC tube, heat shrink tube, PTFE/FEP tube and so on. All our fiberglass sleeving had been obtained the UL and CSA certificates in 2010 (Cert No: E333178--UZIQ2, VW-1 for flame resistance requirement & E333177--UZFT2/8, 200C, 600V for thermal resistance requirement); Our heat shrink tube, silicone rubber tube and PTFE tube had been obtained UL certificate in 2013 (Cert. No. E360625); PVC tube had been obtained the UL certificates In in Apr. 2014 (Cert. No. E467953); In May. 2012, our products successfully had been passed CQC test (Certificate No. CQC12134072554). It provides security for domestic and foreign home appliance supplier in Chinese mainland market. Till now, we are the only one fiberglass sleeving manufacturer which obtained UL, CSA, and CQC certificates. Also we are the only one manufacturer which can provide certificates for all color and maximum size range (from 0.55mm to 25.4mm). Also all our products are in conformance with the European RoHS requirements, furthermore, based on European new requirements, we re-applied and obtained German PFOA and PFOS certificates and European Reach report.
Our products are widely used in H& N Motor, home appliance, electric heating equipment, Lighting, electronic instruments, wiring harness, transformer, power adapter, communication equipment, high/low voltage power distribution complete equipment, petrochemical industry, coal-mining industry, electric system and space flight and aviation area etc.
Due to business expansion, our factory moved to Gongming street, Guangming New District in Shenzhen. It occupies nearly 10, 000 square meters. We successfully passed ISO9001: 2015 and IATF16949 international quality management system, now ISO14001 system is also pushing.
Over the years, we have been enjoying good reputation in our industry by adhering to the business philosophy of "Faith, Practical, and Responsive. " We also get supports and trusts from many international well-known enterprises. Thanks greatly for so many help and cooperation from our partnership, such as Philips, Whirlpool, Conair, Emerson, GE, Black & Decker, SEB, ABB, Siemens, Electrolux, Toshiba, Panasonic, Hitachi, Mitsubishi, Samsung, China's Huawei, Haier, CRRC, and many other famous enterprises' trust directly and indirectly; Furthermore, as the second level supplier for automotive system, Sunbow products have been indexed in IMDS. We also have successfully become the qualified supplier for Volvo, Land-Rover, GM, Honda, Suzuki, Nissan, Hyundai and so on.
We know that our task is long-term and arduous, but opportunities are aside with challenges. We "Sunbow" people will take on a new look and work hard to provide our customers the best quality products, first-rate service, the most competitive price and the most reliable technical supports. Return to our customers, return on the community.
About Our Factory & Business Background
- Address
- Sunbow Industrial Park, No. 8, 2nd Industrial Zone, Xiacun Community, Gongming, Guangming New District, Shenzhen, Guangdong, China
- Terms of Payment
- LC, T/T, PayPal, Western Union, ****** payment
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- shenzhen, guangzhou, hongkong
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2008-04-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- Is the size customizable?
- Yes, customized sizes are available upon request.
- Can the color be customized?
- Yes, other colors are available upon request besides the standard white.
- What certifications does the product have?
- It holds UL 1441, VW-1, ISO9001, and IATF16949 certifications.
- What is the dielectric breakdown voltage?
- The minimum average breakdown voltage is 4.0 KV AC.
- What is the lead time for orders?
- Peak season lead time is one month, while off-season is within 15 workdays.
- What payment methods are accepted?
- We accept LC, T/T, PayPal, Western Union, and ****** payment.
- How is the product packaged?
- It is packed by rolls or cut upon request.
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