Polyolefin Heat Shrink HV Tube Supplier in Ahmedabad, Gujarat, India. When it comes to insulating high-voltage busbar systems, Polyolefin Heat Shrink HV Tubes are an essential solution. Designed to protect against accidental flashovers, these tubes ensure safety, reliability, and durability in electrical systems. Neptune Marketing is recognized as the Best Polyolefin Heat Shrink HV Tube Supplier in India, delivering premium quality products for industrial and commercial applications. Technical Specifications Physical Properties • Tensile Strength: 12 N/mm² (min) – ASTM D638 • Ultimate Elongation: 300% (min) – ASTM D638 • Water Absorption: 0.5% (max) – ASTM D570 • Density: 1.20 ± 0.2 gm/cm³ – ASTM D792 • Hardness: 45 ± 10 Shore D – ASTM D2240 Thermal Properties • Accelerated Aging: 120℃ for 500 hrs – ASTM D2671 • Tensile Strength After Aging: 10 N/mm² – ASTM D638 • Ultimate Elongation After Aging: 250% – ASTM D638 • Low Temp Flexibility (-40℃, 4 hrs): No cracking – ASTM D2671 • Heat Shock (250℃, 30 min): No cracking or flowing – ESI 09-11 • Shrink Temperature: 125℃ – IEC 216 • Continuous Temperature Limit: -40℃ to +110℃ – IEC 216 Electrical Properties • Dielectric Strength: 22 KV/mm (min) – ASTM D149 • Volume Resistivity: 1 x 10¹⁴ Ω•cm (min) – ASTM D257 • Dielectric Constant: 5 (max) – 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: Medium Wall Tube – 35, Phase-to-Phase – 45, Phase-to-Ground – 120 • 17.5 KV: Medium Wall Tube – 55, Phase-to-Phase – 65, Phase-to-Ground – 160 • 24 KV: Medium Wall Tube – 70, Phase-to-Phase – 100, Phase-to-Ground – 220 • 36 KV: Medium Wall Tube – 140, Phase-to-Phase – 190, Phase-to-Ground – 320 Selection Chart (Key Sizes) • NHB 25/8: As Supplied 25x8 mm, After Recovery 17–28 mm, Thickness 3.7 mm, Packing 11–20 m • NHB 50/20: As Supplied 50x20 mm, After Recovery 34–54 mm, Thickness 4 mm, Packing 24–40 m • NHB 100/38: As Supplied 100x38 mm, After Recovery 69–102 mm, Thickness 4.2 mm, Packing 44–72 m • NHB 250/120: As Supplied 250x120 mm, After Recovery 220–314 mm, Thickness 4.5 mm, Packing 140–200 m Features & Benefits • Reduced Busbar Clearance: Optimizes space in bus duct systems. • Chemical Protection: Resistant to strong acids, alkalis, and salts, preventing corrosion. • Improved Insulation: Solves busbar insulation issues, ensuring safe and stable operation. • Halogen-Free & Flame Retardant: Safe for indoor and industrial use. • High Dielectric Strength: Offers superior electrical insulation. • Flexible Design: Can be used on straight or angled busbars without creasing. Why Choose Neptune Marketing? Neptune Marketing delivers high-quality Polyolefin Heat Shrink HV Tubes with precision and consistency. Trusted by industries across India, our solutions combine safety, durability, and flexibility at competitive prices. Contact Neptune Marketing, the Best Polyolefin Heat Shrink HV Tube Manufacturer in India, to get custom solutions that meet your high-voltage insulation needs.
Ahmedabad
08048034324
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