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Hot Selling Industrial-Grade Silicone Tube Factory in China - Reliable Suppliers for High-Performance Solutions
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Hot Selling Industrial-Grade Silicone Tube Factory in China - Reliable Suppliers for High-Performance Solutions

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Product Overview

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Introducing our premium Silicone Heat Shrink Tubing, an essential product manufactured in China by industry-leading suppliers and factories. Crafted from high-purity platinum-cured silicone rubber, this tubing offers exceptional insulation, protection, and wrapping capabilities, ideal for a variety of applications.

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Our industrial-grade silicone tubing is designed to easily shrink in inner diameter when heated, ensuring a snug fit over wires and components. Engineered to endure extreme environments, it can withstand high temperatures, chemicals, oils, and mechanical stress, making it suitable for demanding industrial conditions.

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Whether you are looking for reliable solutions in electrical insulation or protective coverings, our Silicone Heat Shrink Tubing delivers unmatched performance and longevity, setting the standard for quality in the industry.

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  • MPa(Kg/cm2) Tensile strength: ≧6.0
  • (Ω·cm) Physical resistivity: ≧2×1014
  • KV/mm Dielectric strength: ≧20
  • Use temperature range: -50~+200
  • 200°C Asing condition: No cracking at 4h

Key Features & Advantages
  • Exceptional Temperature Resistance

    Operates stably from -60℃ to 250℃ (short-term up to 300℃), making it suitable for high-heat industrial processes and cryogenic applications.

  • Superior Chemical & Oil Resistance

    Highly resistant to acids, alkalis, solvents, fuels, and lubricants, ensuring durability in corrosive industrial settings.

  • High Mechanical Strength & Durability

    Reinforced with high-tensile fabric or steel wire for enhanced pressure resistance, kink resistance, and abrasion resistance.

  • Excellent Flexibility & Elasticity

    Remains flexible over a wide temperature range, allowing for easy installation and movement in dynamic machinery.

  • Long Service Life & Stability

    Resistant to UV radiation, ozone aging, and weathering, ensuring consistent performance in outdoor and industrial environments.

Product Specifications & Parameters

* Material: High-purity platinum-cured silicone rubber, reinforced with polyester fabric or stainless steel wire braid.
* Standard Color: Black, gray, or custom colors (e.g., red for high-temperature applications).
* Inner Diameter Range: 3mm to 50mm+, customizable per requirements.
* Pressure Rating: Up to 10 bar (145 psi) for standard tubes; higher for reinforced versions.
* Process: Extruded and vulcanized using continuous or batch processes for consistent quality.

Characteristics

Item

Parameter

(Shore A)(Hardness)

50A±5A

60A±5A

70A±5A

MPa(Kg/cm2) Tensile strength

≧6.0

≧6.0

≧6.0

Elongation

≧500%

≧400%

≧250%

KN/m(kg f/cm) Tear strength

≧ 1

≧ 18

≧ 18

(Ω·cm) Physical resistivity

≧2×10¹⁴

≧2×10¹⁴

≧2×10¹⁴

KV/mm Dielectric strength

≧20

≧20

≧20

Use temperature range

-50~+200

-50~+200

-50~+200

200°C Aging condition

No cracking at 4h

No cracking at 4h

No cracking at 4h

Breakdown strength

20kv/mm

20kv/mm

20kv/mm

Ozone resistance

Flawless

Flawless

Flawless

Main Purpose
Product Application7
Primary Application Fields

◎ Automotive Industry: Fuel lines, brake lines, turbocharger hoses, coolant systems, and air intake systems.
◎ Industrial Machinery: Hydraulic and pneumatic systems, chemical transfer lines, food processing equipment (e.g., beverage filling lines), and pharmaceutical machinery.
◎ Aerospace & Defense: Aircraft fuel systems, hydraulic lines, and environmental control systems.
◎ Renewable Energy: Solar thermal systems, wind turbine cooling systems, and geothermal applications.
◎ Heavy Equipment & Mining: Excavator hydraulic hoses, mining slurry transfer lines, and dust extraction systems.

Product Application6
Usage Precautions & Maintenance

◎ Installation & Connection: Use appropriate industrial clamps or fittings. Avoid over-tightening or misalignment during installation.
◎ Cleaning & Sterilization: Can be cleaned with industrial solvents or steam cleaning. For food-grade variants, follow specific cleaning protocols.
◎ Storage Conditions: Store in a cool, dry place away from direct sunlight and ozone sources (e.g., electric motors).
◎ Compatibility Testing: Always test compatibility with specific fluids, pressures, and temperatures before full-scale deployment.

Product Specification Sheet

Specification

Wall thickness Standard 0.5-0.9

Wall thickness Standard 1.0-1.9

Wall thickness standard 2.0-2.9

Wall thickness standard 3.0-3.9

Wall thickness Standard 4.0-5.0

Internal diameter tolerance

Wall thickness tolerance

Internal diameter tolerance

Wall thickness tolerance

Internal diameter tolerance

Wall thickness tolerance

Internal diameter tolerance

Wall thickness tolerance

Internal diameter tolerance

Wall thickness tolerance

Φ0.4

±0.1

±0.1

±0.1

±0.15

-

-

-

-

-

-

Φ0.5

±0.1

±0.1

±0.1

±0.15

-

-

-

-

-

-

Φ0.6

±0.1

±0.1

±0.1

±0.15

-

-

-

-

-

-

Φ0.7

±0.1

±0.1

±0.1

±0.15

-

-

-

-

-

-

Φ0.8

±0.1

±0.1

±0.1

±0.15

-

-

-

-

-

-

Φ 1.0

±0.1

±0.1

±0.1

±0.15

±0.1

±0.2

±0.1

±0.2

-

-

Φ 1.2

±0.1

±0.1

±0.1

±0.15

±0.1

±0.2

±0.1

±0.2

-

-

Φ 1.5

±0.1

±0.1

±0.1

±0.15

±0.1

±0.2

±0.1

±0.2

-

-

Φ2.0

±0.1

±0.1

±0.1

±0.15

±0.1

±0.2

±0.1

±0.2

±0.2

±0.25

Φ2.5

±0.1

±0.1

±0.1

±0.15

±0.1

±0.2

±0.1

±0.2

±0.2

±0.25

Φ3.0

±0.1

±0.1

±0.1

±0.15

±0.1

±0.2

±0.2

±0.2

±0.2

±0.25

Φ3.5

±0.1

±0.1

±0.1

±0.15

±0.1

±0.2

±0.2

±0.2

±0.2

±0.25

Φ4.0

±0.1

±0.1

±0.1

±0.15

±0.1

±0.2

±0.2

±0.2

±0.2

±0.25

Φ4.5

±0.1

±0.1

±0.1

±0.15

±0.1

±0.2

±0.2

±0.2

±0.2

±0.25

Φ5.0

±0.1

±0.1

±0.1

±0.15

±0.1

±0.2

±0.2

±0.2

±0.2

±0.25

Φ5.5

±0.1

±0.1

±0.1

±0.15

±0.1

±0.2

±0.2

±0.2

±0.2

±0.25

Φ6.0

±0.15

±0.1

±0.15

±0.15

±0.15

±0.25

±0.2

±0.25

±0.25

±0.25

Φ6.5

±0.15

±0.1

±0.15

±0.15

±0.15

±0.25

±0.2

±0.25

±0.25

±0.25

Φ7.0

±0.15

±0.1

±0.15

±0.15

±0.15

±0.25

±0.2

±0.25

±0.25

±0.25

Φ7.5

±0.15

±0.1

±0.15

±0.15

±0.15

±0.25

±0.2

±0.25

±0.25

±0.25

Φ8.0

±0.2

±0.1

±0.2

±0.1

±0.2

±0.25

±0.2

±0.25

±0.25

±0.3

Φ8.5

±0.2

±0.1

±0.2

±0.15

±0.2

±0.25

±0.2

±0.3

±0.25

±0.3

Φ9.0

±0.2

±0.1

±0.2

±0.15

±0.2

±0.25

±0.2

±0.3

±0.25

±0.3

Φ9.5

±0.2

±0.1

±0.2

±0.15

±0.2

±0.25

±0.2

±0.3

±0.25

±0.3

Φ 10.0

±0.2

±0.1

±0.2

±0.2

±0.2

±0.3

±0.25

±0.3

±0.25

±0.3

Φ 11.0

±0.3

±0.15

±0.3

±0.2

±0.3

±0.3

±0.3

±0.35

±0.3

±0.35

Φ 12.0

±0.3

±0.15

±0.3

±0.2

±0.3

±0.3

±0.3

±0.35

±0.3

±0.35

Φ 13.0

±0.3

±0.15

±0.3

±0.2

±0.3

±0.3

±0.3

±0.35

±0.3

±0.35

Φ 14.0

±0.3

±0.15

±0.3

±0.2

±0.3

±0.3

±0.3

±0.35

±0.3

±0.35

Φ 15.0

±0.3

±0.15

±0.3

±0.2

±0.3

±0.3

±0.3

±0.35

±0.3

±0.35

Φ 16.0

±0.4

±0.15

±0.4

±0.25

±0.4

±0.35

±0.45

±0.35

±0.45

±0.35

Φ 17.0

±0.4

±0.15

±0.4

±0.25

±0.4

±0.35

±0.45

±0.35

±0.45

±0.35

Φ 18.0

±0.4

±0.15

±0.4

±0.25

±0.4

±0.35

±0.45

±0.35

±0.45

±0.35

Φ 19.0

±0.5

±0.15

±0.5

±0.25

±0.5

±0.35

±0.45

±0.35

±0.45

±0.35

Φ20.0

±0.5

±0.15

±0.5

±0.25

±0.5

±0.35

±0.5

±0.35

±0.5

±0.35

Φ21.0

±0.5

±0.15

±0.5

±0.25

±0.5

±0.35

±0.5

±0.35

±0.5

±0.35

Φ22.0

±0.5

±0.15

±0.5

±0.25

±0.5

±0.35

±0.5

±0.35

±0.5

±0.35

Φ23.0

±0.5

±0.15

±0.5

±0.25

±0.5

±0.35

±0.5

±0.35

±0.5

±0.35

Φ24.0

±0.5

±0.15

±0.5

±0.25

±0.5

±0.35

±0.5

±0.35

±0.5

±0.35

Φ25.0

±0.5

±0.15

±0.5

±0.25

±0.5

±0.35

±0.3

±0.4

±0.5

±0.45

Φ26-30

±0.8

±0.2

±0.8

±0.25

±0.8

±0.4

±0.8

±0.4

±0.8

±0.45

Φ31-35

± 1.5

±0.2

± 1.5

±0.25

± 1.5

±0.4

± 1.5

±0.5

± 1.5

±0.45

Φ36-40

± 1.5

±0.2

± 1.5

±0.25

± 1.5

±0.4

± 1.5

±0.5

± 1.5

±0.45

Φ41-45

± 1.8

±0.2

± 1.8

±0.25

± 1.8

±0.4

± 1.8

±0.5

± 1.8

±0.45

Φ46-50

± 1.8

±0.2

± 1.8

±0.25

± 1.8

±0.4

± 1.8

±0.5

± 1.8

±0.45

Φ51-55

±2.5

±0.25

±2.5

±0.3

±2.5

±0.5

±2.5

±0.5

±2.5

±0.45

Φ56-60

-

-

±3.0

±0.3

±3.0

±0.5

± 13.0

±0.5

±3.0

±0.5

Φ61-65

-

-

±4.0

±0.3

±4.0

±0.5

±4.0

±0.5

±4.0

±0.5

Φ66-70

 

 

±5.0

±0.4

±5.0

±0.5

±5.0

±0.5

±5.0

±0.5

Φ71-75

 

 

±6.0

±0.4

±6.0

±0.5

±6.0

±0.55

±6.0

±0.6

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Frequently Asked Questions
  • Our silicone rubber hoses operate stably from -60℃ to 250℃, with short-term tolerance up to 300℃. This wide temperature range makes them ideal for both high-heat industrial processes and cryogenic applications, outperforming standard rubber hoses in extreme environments.
  • Standard inner diameter ranges from 3mm to 50mm and above. We offer full customization of inner diameter, wall thickness, length, and color to meet specific application requirements. Please refer to our specification sheet for detailed tolerance data across all size ranges.
  • Yes. Our hoses are made from high-purity platinum-cured silicone rubber, which is non-toxic and meets food-grade and pharmaceutical-grade standards. They are widely used in beverage filling lines, pharmaceutical machinery, and other sanitary processing equipment. Food-grade variants support specific cleaning and sterilization protocols.
  • Standard silicone tubes support up to 10 bar (145 psi). Reinforced versions — featuring high-tensile polyester fabric or stainless steel wire braid — offer significantly higher pressure ratings. Please contact us with your specific pressure requirements to select the appropriate reinforced model.
  • Store hoses in a cool, dry environment away from direct sunlight, ozone sources (such as electric motors), and extreme temperatures. For cleaning, industrial solvents or steam cleaning are suitable for standard variants. Always follow the specific maintenance protocols provided for food-grade or medical-grade versions to ensure product integrity and longevity.
  • Our silicone rubber hoses serve a broad range of industries including automotive (fuel lines, turbocharger hoses, coolant systems), industrial machinery (hydraulic and pneumatic systems, chemical transfer), aerospace and defense (aircraft fuel and hydraulic lines), renewable energy (solar thermal, wind turbine cooling), and heavy equipment and mining (excavator hydraulic hoses, slurry transfer lines). Their exceptional durability and chemical resistance make them a reliable choice across demanding environments.