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.
Address
L 109, L Type GIDC, Opp Odhav BRTS Bus Stop Behind BSNL Office, Odhav, Ahmedabad, Gujarat
Ahmedabad, India, 382415