
Upgrade your wiring projects with our Marine Grade Heat Shrink Tubing, the ultimate wire sleeve with an advanced 3:1 shrink ratio and internal glue layer for a fast wrap and durable insulation. Made from premium Polyolefin material, this heat shrink tubing is engineered to offer superior environmental sealing against water, salt, chemicals, and other corrosive substances. With diameters ranging from 6.4mm to 25.4mm, it comfortably shrinks to secure connections and provide additional mechanical protection. It boasts an easy shrinkage starting at +70°C and achieves full shrinkage at +110°C, making it convenient for various applications. Its operational temperature span of -55°C to +125°C, tensile strength of 10.4 Mpa, and dielectric strength of 15 kV/mm make it robust for challenging environments. Meeting ISO9001 manufacturing specifications and UL approval, this flame-retardant tubing is supplied flat, ready to be cut with scissors or a sharp knife. Ideal for electrical insulation, cable bundling, and protection, it excels in creating waterproof seals for boat cables, vehicle wires, and electronic components, ensuring longevity and reliability.
Features:
- 3:1 Heat Shrink Ratio: Ensures tight sealing.
- Glue Liner Insert: For dual-wall protection and better adhesion.
- Wide Range of Sizes: To accommodate various cable diameters.
- High-Quality Polyolefin: Provides excellent insulation and sealing properties.
- Flame Retardant: Increases safety in potential fire environments.
- UL Approved: Recognized for safety standards compliance.
Specifications:
- Material: Polyolefin
- Shrinkage Temperatures: Min +70°C, Full +110°C
- Operating Temperature Range: -55°C to +125°C
- Tensile Strength: 10.4 Mpa
- Dielectric Strength: 15 kV/mm
- Compliance: ISO9001, UL Approved
- Flammability: Flame Retardant
- Supplied Format: Flat
- Cutting Method: Scissors or sharp knife
Package Includes:
1 meter of Marine Grade Heat Shrink Tubing (Size as you selected)
Note:
- Color variation may occur due to display differences.
- Manual measurement may result in a 1-3 cm discrepancy.
| Brand | Ozbuyzstore |
| Category | Tools > Other Tools > Power & Electrical Supplies |
| SKU | V528-WIRESLEEVE-25-4-BLACK1M-64878 |
| Weight | 0.05 kg |
Standard Delivery
3–7 business days Australia-wide.
Express Delivery
1–3 business days. Available at checkout for eligible items.
Order Tracking
Tracking info sent via email once your order ships.
Ships From Australia
All orders dispatched from our Australian warehouse.
Note: Delivery times are estimates only. Some postcodes may incur additional shipping fees or be excluded. We ship via Australia Post, StarTrack, and other trusted carriers.
1 Year Warranty
All products include a minimum 1 year manufacturer warranty. We handle all claims on your behalf.
14-Day Returns
Not happy? Return within 14 days for a full refund. Items must be in original condition and packaging.
Ozbuyz Support
Our Australian customer team is here to help. Reach us anytime via email or phone.

Grade Marine Heat Shrink Tubing 3:1 Wire Sleeve Glue Inside Fast Wrap Insulation Black - 25.4mm*1M
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