POLYOLEFIN HEAT SHRINK LT TUBE (UPTO 3.3 KV)

Polyolefin Heat Shrink LT Tube Supplier in India.

Neptune Marketing is a trusted Polyolefin Heat Shrink LT Tube Manufacturer in India, providing premium-quality heat-shrinkable tubes for safe, reliable insulation of busbar systems up to 3.3 KV. Our tubes protect against accidental flashover while ensuring durability and long-term performance.

Key Features

• Flexible and easy to handle

• Flame retardant for enhanced safety

• Operating temperature range: -55℃ to 125℃

• Fully shrinks at ≥125℃

• Excellent electrical insulation for low-tension systems

Technical Specifications

• Tensile Strength: ≥10.4 MPa (Test Method: ASTM D2671)

• Ultimate Elongation: ≥200% (Test Method: ASTM D2671)

• Tensile Strength after Heat Aging: ≥7.3 MPa (Test Method: UL 224, 158℃ × 168h)

• Ultimate Elongation after Heat Aging: ≥100% (Test Method: UL 224, 158℃ × 168h)

• Longitudinal Change: -5% to +5% (Test Method: ASTM D2671)

• Flammability: VW-1 (Test Method: ASTM D2671 C method)

• Voltage Withstand: No breakdown at 2500V, 60s (Test Method: UL 224)

• Dielectric Strength: ≥15 kV/mm (Test Method: IEC 243)

• Volume Resistivity: ≥1 × 10¹⁴ Ω•cm (Test Method: IEC 93)

Selection Chart (Point-Wise)

• 1.0 mm: Internal Ø 1.5 ±0.2 mm → After Recovery ≤0.65 mm | Wall 0.36 ±0.10 mm | 400 m/coil

• 1.5 mm: Internal Ø 2.0 ±0.2 mm → After Recovery ≤0.85 mm | Wall 0.36 ±0.10 mm | 400 m/coil

• 2.0 mm: Internal Ø 2.5 ±0.2 mm → After Recovery ≤1.00 mm | Wall 0.45 ±0.10 mm | 400 m/coil

• 2.5 mm: Internal Ø 3.0 ±0.2 mm → After Recovery ≤1.30 mm | Wall 0.45 ±0.10 mm | 400 m/coil

• 3.0 mm: Internal Ø 3.5 ±0.2 mm → After Recovery ≤1.50 mm | Wall 0.45 ±0.10 mm | 400 m/coil

• 4.0 mm: Internal Ø 4.5 ±0.2 mm → After Recovery ≤2.00 mm | Wall 0.45 ±0.10 mm | 400 m/coil

• 5.0 mm: Internal Ø 5.5 ±0.2 mm → After Recovery ≤2.50 mm | Wall 0.56 ±0.10 mm | 200 m/coil

• 6.0 mm: Internal Ø 6.5 ±0.2 mm → After Recovery ≤3.00 mm | Wall 0.56 ±0.10 mm | 200 m/coil

(Larger sizes up to 150 mm are also available on request.)

Applications

• Bus bar insulation for low-tension systems

• Switchgear and control panels

• Electrical protection in industrial and commercial setups

Why Choose Neptune Marketing?

• High-Quality Materials: Durable and flame-retardant PVC for long-lasting performance

• Wide Range: Sizes from 1 mm to 150 mm for various busbar requirements

• Reliable Performance: Shrinks perfectly with uniform wall thickness and strong dielectric properties

• Custom Solutions: Available for specialized dimensions and bulk orders

Contact us today to get a quote or request your custom-sized tubes from the Best Polyolefin Heat Shrink LT Tube Manufacturer in India.