POLYOLEFIN HEAT SHRINK MV TUBE (UPTO 24 KV)
Description
Polyolefin Heat Shrink MV Tube Supplier in India.
When it comes to high-voltage busbar insulation, the Polyolefin Heat Shrink MV Tube from Neptune Marketing provides reliable protection and superior performance. Designed to insulate busbar systems up to 24 kV, these heat-shrinkable tubes prevent accidental flashovers and ensure long-term operational safety. As the Best Polyolefin Heat Shrink MV Tube Supplier in India, Neptune Marketing delivers high-quality, durable solutions for electrical systems.
Technical Specifications
Physical Properties:
• Tensile Strength: 12 N/mm² (ASTM D638)
• Ultimate Elongation: ≥300% (ASTM D638)
• Water Absorption: ≤0.5% (ASTM D570)
• Density: 1.20 ± 0.2 g/cm³ (ASTM D792)
• Hardness: 45 ± 10 Shore D (ASTM D2240)
Thermal Properties:
• Accelerated Ageing: 120℃ for 500 hrs (ASTM D2671)
o Tensile Strength: ≥10 N/mm²
o Ultimate Elongation: ≥250%
• Low Temp Flexibility: No cracking at -40℃ for 4 hrs (ASTM D2671)
• Heat Shock: No cracking at 250℃ for 30 min (ESI 09-11)
• Shrink Temperature: 125℃ (IEC 216)
• Continuous Temp Limit: -40℃ to +110℃
Electrical Properties:
• Dielectric Strength: ≥22 KV/mm (ASTM D149)
• Volume Resistivity: ≥1 × 10¹⁴ Ω•cm (ASTM D257)
• Dielectric Constant: Max 5 (ASTM D150)
• Track & Erosion Resistance: No tracking or flame failure up to 3.25 KV for 20 min (ASTM D2303)
Clearances with Insulation
• 12 KV
o Medium Wall Tube (NMB): 65
o Phase-to-Phase Clearance: 75
o Phase-to-Ground Clearance: 120
• 17.5 KV
o Medium Wall Tube (NMB): 85
o Phase-to-Phase Clearance: 105
o Phase-to-Ground Clearance: 160
• 24 KV
o Medium Wall Tube (NMB): 115
o Phase-to-Phase Clearance: 150
o Phase-to-Ground Clearance: 220
• 36 KV
o Medium Wall Tube (NMB): 200
o Phase-to-Phase Clearance: 285
o Phase-to-Ground Clearance: 320
Selection Chart
• NMB 16/6: 16 × 6 mm, Thickness 2–25 mm, Width 12–18 mm, Busbar Ø 6.5–12 mm
• NMB 25/8: 25 × 8 mm, Thickness 2.5–25 mm, Width 16–30 mm, Busbar Ø 9–20 mm
• NMB 30/12: 30 × 12 mm, Thickness 2.5–25 mm, Width 22–38 mm, Busbar Ø 13.5–25 mm
• NMB 40/16: 40 × 16 mm, Thickness 2.5–25 mm, Width 29–50 mm, Busbar Ø 18–32 mm
• NMB 50/20: 50 × 20 mm, Thickness 2.5–25 mm, Width 36–63 mm, Busbar Ø 22–40 mm
Key Features & Benefits
• Reduce Busbar Clearance: Efficient design reduces spacing requirements.
• Chemical Resistance: Protects busbars from acids, alkalis, and salts.
• Enhanced Insulation: Solves insulation issues among busbars in bus ducts.
• Flame Retardant & Halogen-Free: Safe for industrial environments.
• High Flexibility: Easily adapts to straight or angled busbars without creasing.
• High Dielectric Strength: Ensures maximum electrical safety.
Why Choose Neptune Marketing?
As the Best Polyolefin Heat Shrink MV Tube Manufacturer in India, we combine precision engineering, high-quality materials, and strict quality control to deliver products that last. Whether for industrial control panels, switchgear systems, or busbar applications, our heat-shrink tubes provide reliable insulation, reduce maintenance, and ensure safety.
Contact us now to request a quote or custom solution for your busbar system.
