1. Introduction
This manual provides detailed instructions for the proper use, installation, and safety precautions for CHANZON 2:1 Heat Shrink Tubing. This product is designed for electrical insulation, wire bundling, and mechanical protection in various applications. Please read this manual thoroughly before use to ensure safe and effective application.
2. Safety Information
2.1. Thermal Burn and Fire Warning
Warning:
- During heating, the heat shrink tubing, covered components, and heating tool itself reach extremely high temperatures, posing serious risks of thermal burns and fire.
- Always wear heat-resistant gloves when operating, and perform heating in a well-ventilated work area away from flammable or explosive materials.
- Never touch heated components immediately after heating; wait until they have fully cooled.
- After use, place the heating tool on a non-combustible, dedicated stand to cool.
2.2. Ventilation and Health Warning
Warning:
- Heating certain materials may release trace amounts of smoke or fumes.
- Ensure adequate ventilation in the workplace and avoid prolonged inhalation. Individuals sensitive to specific materials should implement additional protective measures.
2.3. Child Safety Warning
Warning:
- Not suitable for children under 3 years. The product itself or its packaging may contain small parts, posing a choking hazard.
- To be used under the direct supervision of an adult. Children must not approach or operate heating equipment.
3. Product Features
The CHANZON Heat Shrink Tubing offers reliable performance for various electrical and insulation needs. Key features include:
- Shrinkage Ratio: 2:1
- Wide Diameter Range: Available from 9mm to 100mm.
- Color Options: Available in 6 colors (Red, Black, White, Green, Blue, Transparent).
- Length: Supplied in 1-meter rolls.
- Certifications: UL Listed, RoHS/REACH Compliant, lead-free, CE, SGS certified.
- Material Properties: Environmental protection, non-toxic, good flexibility, and uniform shrinkage.
- Efficient Application: Designed for 1-second shrink with lower shrink temperature, ensuring a tighter wire grip and high-strength seal.
- Safety: Flame retardant properties (VW-1 vertical flame test, low smoke even when burning).
4. Specifications
| Attribute | Value |
|---|---|
| Brand Name | CHANZON |
| Type | Insulation Sleeving |
| Material | EVA Cord / Polyolefin |
| Shrinkage Ratio | 2:1 |
| Rated Voltage | 600V |
| Application | High Temperature |
| Shrinkage Temperature | -55-105℃ (for transparent) | -55-125℃ (for other colors) |
| Tensile Strength | 2-1 1 Meter Roll Long 1inch Diy Heat-shrink Heating Sleeves 15mm 20mm (Note: This attribute seems to contain product description rather than a specific tensile strength value. Please refer to product packaging for precise tensile strength if needed.) |
| Certificates | UL, RoHS, REACH, SGS, etc. |
| Is Customized | Yes |
| High-concerned chemical | None |
4.1. Shrink Ratio Size Chart
Below is the 2:1 Shrink Ratio Size Chart. Choose the right size accordingly based on your application needs.
| Size (mm) | Non-recovered | After Recovery | Scope of application (mm) | ||
|---|---|---|---|---|---|
| Diameter (mm) | Wall thickness (mm) | Diameter (mm) | Wall thickness (mm) | ||
| 9 | 9.50 ± 0.3 | 0.30 ± 0.08 | ≤4.50 | 0.56 ± 0.10 | 5.00 – 7.30 |
| 10 | 10.5 ± 0.3 | 0.30 ± 0.08 | ≤5.00 | 0.56 ± 0.10 | 6.60 – 9.70 |
| 12 | 12.5 ± 0.3 | 0.35 ± 0.10 | ≤6.00 | 0.70 ± 0.10 | 7.70 – 11.3 |
| 14 | 14.5 ± 0.3 | 0.35 ± 0.10 | ≤7.00 | 0.70 ± 0.10 | 8.30 – 12.1 |
| 15 | 15.5 ± 0.4 | 0.35 ± 0.10 | ≤8.00 | 0.70 ± 0.10 | 8.80 – 12.9 |
| 16 | 16.5 ± 0.4 | 0.35 ± 0.10 | ≤9.00 | 0.70 ± 0.10 | 9.90 – 14.8 |
| 18 | 18.0 ± 0.5 | 0.35 ± 0.10 | ≤10.00 | 0.83 ± 0.10 | 11.0 – 16.8 |
| 20 | 20.0 ± 0.5 | 0.40 ± 0.12 | ≤11.00 | 0.83 ± 0.10 | 12.1 – 18.4 |
| 22 | 22.0 ± 0.5 | 0.40 ± 0.12 | ≤12.50 | 0.90 ± 0.15 | 13.8 – 20.4 |
| 25 | 26.0 ± 0.5 | 0.45 ± 0.12 | ≤14.00 | 0.90 ± 0.15 | 15.4 – 22.8 |
| 28 | 29.0 ± 0.5 | 0.45 ± 0.12 | ≤15.00 | 0.95 ± 0.15 | 16 – 25 |
| 30 | 31.5 ± 1.0 | 0.45 ± 0.15 | ≤18.00 | 0.95 ± 0.15 | 20 – 29 |
| 35 | 36.5 ± 1.5 | 0.45 ± 0.15 | ≤20.00 | 0.95 ± 0.15 | 22 – 34 |
| 40 | 41.5 ± 1.5 | 0.50 ± 0.15 | ≤25.00 | 1.00 ± 0.15 | 27 – 42 |
| 50 | 51 ± 2.0 | 0.50 ± 0.15 | ≤30.00 | 1.00 ± 0.20 | 33 – 51 |
| 60 | 60 ± 3.0 | 0.55 ± 0.20 | ≤30.00 | 1.00 ± 0.20 | 33 – 51 |
| 80 | 80 ± 3.0 | 0.55 ± 0.20 | ≤40.00 | 1.20 ± 0.20 | 44 – 68 |
| 90 | 90 ± 3.0 | 0.55 ± 0.20 | ≤45.00 | 1.20 ± 0.20 | 50 – 76 |
| 100 | 100 ± 4.0 | 0.60 ± 0.20 | ≤50.00 | 1.20 ± 0.20 | 55 – 85 |
5. Setup and Installation
5.1. Proper Usage
- Select the Correct Size: The inner diameter of the selected heat shrink tubing must be larger than the diameter of the object to be covered prior to heating and shrinking.
- Prepare the Surface: Ensure the surface of the object to be covered is clean, dry, and free of oil or grease.
- Cut to Length: Pick the right size and cut the heat shrink tubing to the desired length.
- Position the Tubing: Slide the heat shrink tubing onto the designated position of the object to be covered.
6. Operating Instructions: Heating and Shrinking
- Recommended Tool: Use a heat gun. Do not use an open flame (e.g., lighter) to directly scorch the tubing, as this may cause burning or uneven shrinkage.
- Heating Procedure:
- Begin heating from the center of the tubing and apply heat uniformly around the circumference, then gradually move toward both ends.
- Alternatively, heat uniformly while moving steadily from one end to the other, to expel trapped air and ensure even, smooth shrinkage.
- Heating Temperature: Refer to the "Shrink Temperature" specified on the product packaging or label (e.g., 85°C - 125°C). Avoid overheating.
- Cooling: Allow the tubing to cool naturally to set its shape; do not move or compress it during cooling.
7. Maintenance
CHANZON Heat Shrink Tubing requires minimal maintenance once properly installed. To ensure longevity and performance:
- Avoid exposing the shrunk tubing to harsh chemicals or extreme mechanical stress unless specifically rated for such conditions.
- Regularly inspect installations in critical applications for any signs of damage or degradation.
- Store unused tubing in a cool, dry place away from direct sunlight and extreme temperatures to preserve its properties.
8. Troubleshooting
Most issues with heat shrink tubing arise from improper application. Consider the following if you encounter problems:
- Uneven Shrinkage: Ensure heat is applied uniformly and gradually. Avoid direct scorching with an open flame.
- Incomplete Shrinkage: Verify that the heating temperature is within the recommended range and applied for sufficient duration. The tubing may not shrink fully if the heat is insufficient.
- Tubing Too Loose After Shrinkage: The initial size selected might be too large for the object. Always ensure the non-recovered diameter is appropriately larger than the object, but not excessively so, to allow for a tight fit after shrinking. Refer to the size chart.
- Tubing Cracks or Melts: Overheating can cause damage. Monitor the temperature and avoid prolonged exposure to high heat.
9. User Tips
- For best results, always match the tubing size to your wire or component carefully. A slightly larger initial diameter allows for easier placement, while proper heating ensures a snug fit.
- When using a heat gun, keep it moving to prevent localized overheating and achieve a smooth, even shrink.
- Consider using different colors of heat shrink tubing for easy identification of wires or phases in complex electrical systems.
10. Compliance Markings
This product complies with relevant EU regulatory requirements and harmonized standards. The following markings appear on its packaging or smallest sales unit:
- CE marking: Indicates conformity with EU safety, health, and environmental protection requirements.
- RoHS Directive 2011/65/EU: Restriction of Hazardous Substances in Electrical and Electronic Equipment.
- REACH Regulation (EC) No 1907/2006: Registration, Evaluation, Authorisation and Restriction of Chemicals.
11. Warranty and Support
For any questions, technical support, or concerns regarding your CHANZON Heat Shrink Tubing, please refer to the official user manual PDF for more detailed information: User manual (PDF). You may also contact the seller directly through the platform where the product was purchased.