Large Size PTFE Shrinkable Clear Polyolefin Marine Adhesive Lined Heat Shrink Tubing
Product Overview
The large size PTFE shrinkable clear polyolefin marine adhesive lined heat shrink tubing is designed for heavy duty cable sealing insulation and environmental protection in marine automotive and industrial applications.
This heat shrink tubing features a polyolefin outer layer with optional PTFE high temperature version and an inner adhesive lining that melts during heating to form a strong waterproof seal around cables connectors and terminals.
Large diameter production capability allows protection of thick cable bundles pipe joints and industrial connectors.
Material Structure
| Layer Position |
Material |
Function |
| Outer Layer |
Polyolefin or PTFE |
Electrical insulation and mechanical protection |
| Inner Layer |
Hot melt adhesive |
Waterproof sealing and bonding |
| Surface |
Clear or colored finish |
Visual inspection capability |
| Structure |
Heat shrinkable tube |
Tight fit after heating |
Key Features
| Feature |
Benefit |
| Large Diameter Range |
Suitable for thick cables and joints |
| Adhesive Lined Interior |
Moisture proof sealing |
| High Temperature Resistance |
Stable in demanding environments |
| Excellent Insulation |
Electrical protection |
| Chemical Resistance |
Suitable for marine and industrial use |
| Clear Option Available |
Easy inspection after installation |
Available Specifications
| Specification Item |
Range |
| Shrink Ratio |
2 to 1 or 3 to 1 |
| Inner Diameter Before Shrink |
Customizable large size |
| Inner Diameter After Shrink |
Based on shrink ratio |
| Wall Thickness |
Adjustable |
| Length |
Continuous roll or cut pieces |
| Color |
Clear black red blue and custom |
Typical Applications
| Industry |
Application |
| Marine |
Cable joint waterproof sealing |
| Automotive |
Battery and wiring harness insulation |
| Industrial Equipment |
Heavy cable protection |
| Renewable Energy |
Solar and power cable sealing |
| Electrical Installation |
Connector and terminal insulation |
Performance Characteristics
| Performance Item |
Capability |
| Shrink Temperature |
Suitable for heat gun installation |
| Continuous Operating Temperature |
High temperature stability |
| Waterproof Performance |
Excellent sealing with adhesive |
| Mechanical Strength |
Strong abrasion resistance |
| Electrical Insulation |
Reliable dielectric strength |
Customization Capability
| Custom Option |
Supported |
| Large Diameter Production |
Yes |
| Shrink Ratio |
Yes |
| Adhesive Thickness |
Yes |
| Color |
Yes |
| Cut Length |
Yes |
| OEM Branding |
Yes |
Manufacturing Capability
| Item |
Description |
| Product Type |
Adhesive lined heat shrink tubing |
| Material Options |
Polyolefin and PTFE |
| Application Range |
Marine automotive industrial |
| Supply Mode |
Factory direct OEM and wholesale |
| Custom Production |
Fully supported |
Application Notice
Proper tubing selection should consider cable diameter environmental exposure and required shrink ratio. Technical support is available to assist in selecting suitable size and adhesive thickness.
The large size PTFE shrinkable clear polyolefin marine adhesive lined heat shrink tubing provides strong waterproof sealing and electrical insulation for heavy duty cable systems.
With customizable diameter shrink ratio and adhesive lining options this heat shrink tubing supports marine automotive and industrial protection applications.
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