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As a professional manufacturer of electrical protection components, Jinhua Dika Electrical Equipment Co., Ltd. provides high-quality Insulation Sleeving with a 2:1 Shrink Ratio designed specifically for reliable wire harness protection. Our sleeving offers a robust, durable, and insulating layer that safeguards wiring assemblies from abrasion, moisture, chemicals, and environmental stress, ensuring long-term system integrity and safety.
Engineered for efficiency and performance, this heat shrink sleeving simplifies installation while providing consistent, uniform protection across complex harness layouts. It is a critical component for enhancing the reliability and lifespan of electrical systems in various demanding applications.
Key Features and Technical Specifications:
- Precision Shrink Ratio: The 2:1 shrink ratio ensures the sleeving contracts uniformly to tightly conform to the wire bundle, providing a snug fit without gaps.
- Excellent Insulation Properties: Provides high dielectric strength and resistance, effectively isolating wires and preventing short circuits.
- Enhanced Mechanical Protection: The sleeve acts as a protective jacket, shielding wires from cut-through, abrasion, vibration, and impact.
- Environmental Resistance: Offers protection against moisture, oils, solvents, and many chemicals, maintaining performance in harsh conditions.
- Flame Retardant Options: Available with flame-retardant properties to meet safety requirements in sensitive applications.
- Color Coding and Identification: Available in standard and custom colors for easy wire harness identification and organization.
- Flexible and Conformable: Even after shrinking, the material remains flexible, allowing for movement and strain relief.
Benefits for Your Application:
- Improved Harness Reliability: Reduces failure points caused by environmental exposure and physical damage.
- Streamlined Assembly Process: Heat shrinking is a quick and clean process, speeding up production and reducing labor time.
- Cost-Effective Solution: Provides long-lasting protection, minimizing maintenance and replacement costs over the product lifecycle.
- Design Flexibility: Can be used on harnesses of various shapes and sizes, accommodating complex routing.
- Safety Compliance: Helps meet industry standards for insulation and protection in electrical assemblies.
Typical Technical Parameters (Common Specifications):
| Parameter | Typical Value / Range | Notes |
| Shrink Ratio | 2:1 | Standard ratio |
| Pre-shrink Inner Diameter | 3mm - 50mm (customizable) | Available upon request |
| Post-shrink Inner Diameter | Approx. 1.5mm - 25mm | Depends on pre-shrink size |
| Wall Thickness | 0.5mm - 2.0mm | Material dependent |
| Shrink Temperature | Approx. 120°C - 150°C | Recommended application temperature |
| Continuous Operating Temp. | -55°C to +125°C | For standard polyolefin |
| Dielectric Strength | ≥ 15 kV/mm | Typical for insulation grade |
FAQ – Frequently Asked Questions
Q1: What does a "2:1 shrink ratio" mean?
A: It means the sleeving's diameter after heating (shrinking) will be approximately half of its original diameter. For example, a 10mm sleeve will shrink to about 5mm.
Q2: What is the primary material used for this sleeving?
A: It is typically made from cross-linked polyolefin, which provides excellent thermal, mechanical, and electrical properties. PVC options are also available for specific requirements.
Q3: How do I apply the heat shrink sleeving?
A: Place the sleeve over the wire harness and apply heat evenly using a heat gun, hot air tunnel, or other suitable heating tool until it shrinks tightly and uniformly around the bundle.
Q4: Can this sleeving be used for outdoor or harsh environment applications?
A: Yes. It offers resistance to moisture, UV (optional with special grades), and many chemicals, making it suitable for outdoor, industrial, and automotive applications.
Q5: Is the sleeving flame retardant?
A: Flame-retardant versions are available. Please specify your requirement, and we can provide sleeving that meets relevant flame rating standards.
Q6: Can I get custom colors or sizes?
A: Yes. We offer customization for colors and diameters to match your specific wire harness design and identification needs.
Q7: What certifications does this product have?
A> Our manufacturing processes adhere to stringent quality management systems. The sleeving can be produced to meet UL recognition and RoHS compliance upon request. Please contact us for specific certification details for your order.
Q8: How do I choose the correct size?
A: Select a pre-shrink diameter slightly larger than the maximum diameter of your wire bundle. After shrinking, it will conform tightly. We can assist you with sizing recommendations based on your harness specifications.
Backed by Jinhua Dika Electrical Equipment Co., Ltd.'s extensive experience as a manufacturer and our commitment to quality systems, this insulation sleeving is a reliable choice for global buyers. We export to markets worldwide, including North America, Europe, and Asia, demonstrating our product's international acceptance. Our capability to customize and provide consistent quality ensures that your wire harness protection needs are met efficiently and effectively. Contact us today to discuss how our 2:1 shrink ratio insulation sleeving can enhance the durability and safety of your electrical assemblies.
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