Sunbow 3: 1 Adhesive-Lined Heat Shrinkable Tube 4: 1
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Product Highlights
- Adhesive-Lined Waterproofing: Inner hot-melt adhesive coating ensures excellent waterproofing and sealing performance.
- High Shrink Ratio Options: Available in 3:1 and 4:1 shrink ratios to fit various wire and connector sizes.
- Certified Safety Standards: Passes UL, RoHS, Reach certifications with voltage ratings of 300V and 600V.
- Flame Retardant Material: Made from cross-linked polyolefin providing excellent insulation and wear resistance.
- Multi-Industry Application: Ideal for automotive, electronics, communications, and aerospace electrical protection.
- Extensive Size Range: Inner diameters range from 2.4mm to 125mm to accommodate diverse cable sizes.
- Custom Color Availability: Standard black color available, with other colors customizable upon request.
Product Attributes
- Customization
- Available
- Application
- Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate, Wire Harness, Transformer, Heating Elements etc
- Color
- All Colors
- Model NO.
- SB-SBRS-(3X, 4X)
- Material
- Polyolefin and Glue
- Maximum Voltage
- <10KV
- Thermal Rating
- 125c
- Working Temp
- -45~+125 C
- Shrink Temp
- 70~125c
- Shrink Ratio
- 3:1 & 4:1
- UL No.
- E360625
- Voltage Rating
- 300V or 600V
- Standard Color
- Black
- Type
- Insulation Sleeve & Tube
- Chemistry
- Organic Insulation
- Classification
- Organic Insulating Material
- Certification
- ISO9001, Ts16949
- Brand
- Sunbow
- Transport Package
- Carton Package or Pallet Package
- Specification
- ID2.4~125MM
- Trademark
- SUNBOW
- Origin
- Shenzhen, China
- HS Code
- 3917310000
Product Images of Sunbow 3: 1 Adhesive-Lined Heat Shrinkable Tube 4: 1
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Product Description
Model Number: SB-SBRS-(3X,4X)
Working temperature: -45ºC ~ 125ºC
Shrink temperature: 70ºC ~ 125ºC
Shrink ratio: 3:1 & 4:1


Structure
Adhesive-lined heat shrinkable tube adopts flame retardant, cross-linked polyolefin with an inner coating of hot-melt adhesive and outer layer that shrinks to provide electrical and mechanical protection. The outer layer has excellent insulation, wear and corrosion resistant performances. Inner layer has the excellence of low melt point and waterproof etc. It has passed UL, RoHS,Reach certifications with 600V and 300V.
Usage
It is mainly used as waterproof, corrosion resistance, insulation, and mechanical protection. It is widely used in manufacturing of electrical and electronics, communications, automobiles, shipping, aircraft etc.
Standard
Production standards: UL224, CAN/CSA C22.2 NO198.1-99, SAE-AMS-DTL-23053/4
Dimension
SBRS-(3X)G
| Inner Diameter | As Supplied(mm) ID |
After Recovery(mm) | Standard Package (m/spool) |
|||
| (mm) | (inch) | ID | Whole Wall Thickness | Adhesive Thickness | ||
| Φ2.4 | 3/32 | ≥2.4 | ≤0.80 | 0.85±0.15 | 0.40±0.10 | 200 |
| Φ3.2 | 1/8 | ≥3.2 | ≤1.00 | 0.95±0.15 | 0.40±0.10 | 200 |
| Φ4.8 | 3/16 | ≥4.8 | ≤1.60 | 1.10±0.15 | 0.40±0.10 | 100 |
| Φ6.4 | 1/4 | ≥6.4 | ≤2.20 | 1.20±0.15 | 0.45±0.10 | 100 |
| Φ7.9 | 5/16 | ≥7.9 | ≤2.70 | 1.35±0.15 | 0.50±0.10 | 100 |
| Φ9.5 | 3/8 | ≥9.5 | ≤3.20 | 1.45±0.20 | 0.50±0.15 | 50 |
| Φ12.7 | 1/2 | ≥12.7 | ≤4.20 | 1.70±0.20 | 0.50±0.15 | 1.22 |
| Φ15.0 | 5/8 | ≥15.0 | ≤5.20 | 1.80±0.20 | 0.55±0.15 | 1.22 |
| Φ19.1 | 3/4 | ≥19.1 | ≤6.30 | 2.00±0.20 | 0.55±0.15 | 1.22 |
| Φ25.4 | 1 | ≥25.4 | ≤8.50 | 2.10±0.25 | 0.55±0.15 | 1.22 |
| Φ30.0 | 1-1/4 | ≥30.0 | ≤10.20 | 2.20±0.25 | 0.60±0.15 | 1.22 |
| Φ39.0 | 1-1/2 | ≥39.0 | ≤13.50 | 2.40±0.25 | 0.60±0.15 | 1.22 |
| Φ50.0 | 2 | ≥50.0 | ≤17.00 | 2.70±0.25 | 0.80±0.15 | 1.22 |
| Φ64.0 | 2-1/2 | ≥64.0 | ≤21.00 | 3.00±0.30 | 0.80±0.20 | 1.22 |
| Φ76.0 | 3 | ≥76.0 | ≤25.00 | 3.00±0.30 | 1.00±0.20 | 1.22 |
| Φ90.0 | 3-1/2 | ≥90.0 | ≤30.00 | 3.00±0.30 | 1.00±0.20 | 1.22 |
| Φ100 | 4 | ≥100 | ≤34.00 | 3.00±0.30 | 1.00±0.20 | 1.22 |
| Φ125 | 5 | ≥125 | ≤42.00 | 3.00±0.30 | 1.00±0.15 | 1.22 |
| Inner Diameter | As Supplied(mm) ID |
After recovery(mm) | Standard Package (m/roll) | |||
| (mm) | (inch) | Max ID | Whole Wall Thickness | Adhesive Thickness | ||
| Φ4.0 | 2/13 | ≥4.0 | ≤1.0 | 1.0±0.15 | 0.4±0.15 | 200 |
| Φ6.0 | 1/4 | ≥6.0 | ≤1.5 | 1.1±0.15 | 0.4±0.15 | 100 |
| Φ8.0 | 5/16 | ≥8.0 | ≤2.0 | 1.2±0.15 | 0.5±0.15 | 100 |
| Φ12.0 | 1/2 | ≥12.0 | ≤3.0 | 1.4±0.15 | 0.5±0.15 | 1.22 |
| Φ16.0 | 5/8 | ≥16.0 | ≤4.0 | 1.7±0.15 | 0.6±0.15 | 1.22 |
| Φ20.0 | 15/19 | ≥20.0 | ≤5.0 | 2.0±0.25 | 0.6±0.15 | 1.22 |
| Φ24.0 | 1 | ≥24.0 | ≤6.0 | 2.1±0.25 | 0.6±0.15 | 1.22 |
| Φ32.0 | 1 1/4 | ≥32.0 | ≤8.0 | 2.4±0.25 | 0.7±0.15 | 1.22 |
| Φ52.0 | 2 | ≥52.0 | ≤13.0 | 2.4±0.25 | 0.7±0.15 | 1.22 |



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
- What is the shrink ratio of this tube?
- The Sunbow heat shrink tube is available in two shrink ratios: 3:1 and 4:1.
- Is the tube waterproof?
- Yes, the inner layer features a hot-melt adhesive coating that provides excellent waterproofing and sealing.
- What certifications does the product have?
- The product has passed UL, RoHS, and Reach certifications, with voltage ratings of 300V and 600V.
- Can I customize the color of the tube?
- The standard color is black, but other colors are available upon request.
- What materials are used in this tube?
- It is made of flame retardant, cross-linked polyolefin with an inner coating of hot-melt adhesive.
- What are the payment terms?
- We accept LC, T/T, PayPal, Western Union, and ****** payment.
- What is the lead time for production?
- Peak season lead time is one month, while off-season lead time is within 15 workdays.
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