| Customization: | Available |
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| Certification: | ISO |
| Color: | Black,Orange,Red,Yellow, Transparent |
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Product Description: Experience the unparalleled quality of our 3:1 and 4:1 double-walled tubing, masterfully crafted from a superior blend of halogen-free, flame-retardant polyolefin and hot melt adhesive. This innovative product features an outer polyolefin sheath engineered for ultimate insulation, flame resistance, and environmental safety. Meanwhile, the inner hot melt adhesive layer provides exceptional mechanical strain relief and airtight sealing. Key functions include sealing, waterproofing, corrosion and leakage prevention, as well as bundling and insulating multi-strand wiring harnesses. Ideal for diverse applications such as automotive wiring, marine cables, and metal piping that demand robust sealing and insulation. Features: The outer coating is flame-resistant, UV-protected, and abrasion-resistant. Offers a shrink ratio of 3:1. Compliant with RoHS and REACH environmental standards. Available in a spectrum of colors including black, orange, red, yellow, transparent, with custom colors offered to meet your specific needs.
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Performance item
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Instruct
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Experiment Method
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Tensile Strength
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≥10.4MPa
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ASTM D 2671
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Elongation at break
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≥300%
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ASTM D 2671
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Tensile strength after heat aging
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≥8.4MPa
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158°C x168h
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Elongation at break after heat aging
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≥100%
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158°C x168h
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Axial change rate
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-8%~ 8%
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ASTM D 2671
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Flame retardant
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Flame retardant VW-1 or GB2408-V0, self-extinguishing in 30 seconds
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AMS-DTL-23053/5
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Breakdown strength
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≥15KV/mm
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IEC 60243
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Withstand voltage (rated voltage 600V)
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2500V, 1min without breakdown
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UL 224
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Volume resistivity
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21040.cm
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IEC 60093
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Hot melt adhesive technical instructions
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Performance item
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instruct
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experiment method
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Softening Point
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85+3°C
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ASTM E 28
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Water absorption
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≤0.2%
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ASTM D 570
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Peel strength (PE)
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≥120N/25mm
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ASTM D 1000
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Peel strength (AL)
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≥80N/25mm.
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ASTM D 1000
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