Silicone Tube

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Hot selling Industrial-grade Silicone Tube factory in China

Product Overview

Silicone Heat Shrink Tubing is a tubing material made from silicone for insulation, protection, and wrapping. It can easily shrink in inner diameter when heated .

This industrial-grade silicone tube is manufactured from high-purity platinum-cured silicone rubber, specifically engineered for demanding industrial applications.

It is designed to withstand harsh environments, including exposure to extreme temperatures, chemicals, oils, and mechanical stress, while maintaining superior performance and longevity.

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

product details

‌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 Asing 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

‌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.

‌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 sheet 01

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
Specification	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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