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High-Performance Fluorine Rubber Heat Shrink Tubing from China Suppliers - Reliable Factory for Extreme Environments
🔧 Product Features
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◎ High-Temperature Resistance
• Operating temperature range: -55°C to 200°C (short-term exposure up to 220°C).
• Shrinkage temperature: starts at 150°C, fully shrinks at 175°C. -
◎ Chemical & Oil Resistance
• Resistant to fuel, lubricating oil, hydraulic fluid, and organic solvents; ideal for engine compartments, fuel tanks, and hydraulic systems.
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◎ Mechanical & Electrical Properties
• Shrink ratio: 2:1 (radial shrinkage 50%, axial shrinkage <20%).
• Tensile strength: 10.5 N/mm², elongation 300%, ensuring flexibility and tear resistance.
• Insulation: Volume resistivity >10¹⁴ Ω·cm, dielectric strength ≥26 kV/mm, meeting electrical safety standards. -
◎ Environmental & Safety Compliance
• Compliant with ROHS, REACH, and Sony SS-00259 environmental directives; free from halogens, PBDEs, and other hazardous substances.
• Flame retardancy: UL94 V-0 rated, self-extinguishing within 15 seconds, suitable for high-safety environments.
📋 Technical Specifications
| Parameter | Value |
| Material | Fluorine rubber |
| Color | Black |
| Density | 1.9 g/cm³ |
| Water Absorption | 0.2% |
| Certification Standards | UL, IS9001, IATF16949 |
📖 Usage Instructions
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◎ Installation
• Slide tubing over the component to be protected, ensuring full coverage.
• Apply heat (e.g., heat gun or oven) at 175°C until fully shrunk and conformal.
• After cooling, verify sealing and insulation integrity. -
◎ Cautions
• Avoid excessive heating to prevent material degradation.
• Store in dry conditions; avoid prolonged UV exposure.
📊 Characteristics
| Product Performance | Testing Condition | Unit | Performance Standard | ||
| Physical Performance | Longitudinal Shrinkage Ratio | 250℃±3℃ / 10 minutes | % | -15 ~ +5 | |
| Limited Shrinkage | 200℃ / 3 minutes | — | No cracks on the surface | ||
| Water Absorption | 23℃ / 24 hours | % | ≤0.2 | ||
| Density | — | g/cm³ | ≤1.90 | ||
| Tensile Strength | 500mm/minute | Mpa | ≥13.0 | ||
| 2% Tensile Secant Modulus | — | Mpa | 80 ~ 160 | ||
| Breakage Elongation | 500mm/minute | % | ≥350 | ||
| Heat Shock | 300℃ / 4 hours | — | The surface shows no cracks, no flow, and no dripping. | ||
| Low Temperature Flexibility | -55℃ / 4 hours | — | No cracks on the surface | ||
| Resistance Color fastness to light | — | — | Color Tolerance ≤ Color Tolerance of Standard Sample | ||
| After Thermal Aging | Breakage Elongation | 200℃±5℃ / 168 hours | 200℃±5℃ / 168 hours | % | ≥200 |
| Tensile Strength | Mpa | ≥10.0 | |||
| Electrical Performance | Dielectric Strength | — | KV/mm | ≥10 | |
| Insulation Pressure Resistance | 3000V / 60 seconds | — | No Shock | ||
| Volume Resistivity | Room Temperature | — | Ω.m | ≥1.0×10¹² | |
| After Humid | — | Ω.m | ≥1.0×10¹¹ | ||
| Chemical Performance | Resistance to Liquid 23℃ / 24 Hours |
Tensile Strength | 500mm/minute | Mpa | ≥10.0 |
| Breakage Elongation | 500mm/minute | % | ≥350 | ||
| Quality Change | — | % | ≤10 | ||
| Flame Retardancy | Self-extinguish within 60 seconds after faraway the hot | S | Pass | ||
| Copper Corrosion | 175℃ / 16 hours | — | No dents or discoloration on the surface | ||
| Salt Atmosphere | 48 hours | % | No corrosion, damage or bulging on the surface | ||
📦 Packaging & Advantages
Packaging & Storage
• Packaging: Coiled or straight-cut, 50 meters per roll, sealed in moisture-proof bags.
• Storage conditions: -20°C to 30°C, relative humidity <70%.
Key Advantages Summary
• Extreme environment adaptability: Maintains performance from -55°C to 200°C.
• Comprehensive protection: Resistant to oil, chemicals, flame, and mechanical wear.
• Environmental compliance: Meets international standards, supporting sustainability.
📐 Product Specification Sheet
| Specification | Before Contraction Size | After Contraction Size | ||
| mm | Inner Diameter | Wall Thickness | Max. Inner Diameter | Wall Thickness |
| Ф1.6 | 2.0±0.40 | 0.25±0.05 | 0.8 | 0.50±0.10 |
| Ф2.4 | 2.0±0.40 | 0.25±0.05 | 1.2 | 0.50±0.10 |
| Ф3.2 | 3.8±0.60 | 0.35±0.05 | 1.6 | 0.76±0.15 |
| Ф4.8 | 6.0±0.50 | 0.40±0.05 | 2.4 | 0.89±0.18 |
| Ф6.4 | 7.4±0.50 | 0.40±0.05 | 3.2 | 0.89±0.18 |
| Ф7.9 | 8.4±0.50 | 0.40±0.05 | 3.9 | 0.89±0.18 |
| Ф9.5 | 10.6±0.80 | 0.40±0.06 | 4.8 | 0.89±0.20 |
| Ф12.7 | 13.5±0.80 | 0.40±0.06 | 6.4 | 0.89±0.20 |
| Ф15.9 | 17.0±1.00 | 0.45±0.06 | 8.0 | 1.02±0.20 |
| Ф19.1 | 20.5±1.50 | 0.50±0.08 | 9.5 | 1.07±0.20 |
| Ф22.2 | 23.7±1.50 | 0.50±0.08 | 11.1 | 1.12±0.30 |
| Ф25.4 | 27.0±1.50 | 0.60±0.08 | 12.7 | 1.25±0.30 |
| Ф31.8 | 33.5±1.50 | 0.60±0.08 | 15.9 | 1.30±0.30 |
| Ф38.1 | 40.5±2.00 | 0.65±0.10 | 19.1 | 1.40±0.40 |
| Ф50.8 | 53.0±2.00 | 0.70±0.10 | 25.4 | 1.65±0.43 |
❓ Frequently Asked Questions
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Q What is the maximum operating temperature of this fluorine rubber heat shrink tubing?This tubing is rated for continuous operation from -55°C to 200°C, with short-term exposure capability up to 220°C, making it suitable for demanding high-temperature environments such as engine compartments and industrial machinery.
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Q What is the shrink ratio and how does it work?The tubing has a 2:1 shrink ratio, meaning it can shrink radially by up to 50% while axial (lengthwise) shrinkage remains below 20%. Shrinkage begins at 150°C and is fully completed at 175°C when heat is applied evenly using a heat gun or oven.
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Q Is this heat shrink tubing resistant to chemicals and oils?Yes. The fluorine rubber material provides excellent resistance to fuel, lubricating oil, hydraulic fluid, and organic solvents. It is well-suited for use in engine compartments, fuel tanks, and hydraulic systems where chemical exposure is common.
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Q Does this product meet international environmental and safety standards?Yes. The tubing is fully compliant with ROHS, REACH, and Sony SS-00259 environmental directives. It is halogen-free and PBDE-free. It also carries a UL94 V-0 flame retardancy rating, self-extinguishing within 15 seconds, and holds UL, ISO9001, and IATF16949 certifications.
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Q What are the recommended storage conditions for this tubing?The tubing should be stored at temperatures between -20°C and 30°C with relative humidity below 70%. It should be kept in sealed moisture-proof bags and away from prolonged UV exposure to maintain its performance properties.
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Q What size specifications are available for this fluorine rubber heat shrink tubing?The tubing is available in a wide range of specifications from Ф1.6mm to Ф50.8mm. Each size is available in both coiled and straight-cut formats, supplied in 50-meter rolls. Please refer to the Product Specification Sheet above for detailed inner diameter and wall thickness values before and after shrinkage.