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TPU

Thermoplastic polyurethanes, also known as polyurethane rubber, belong to a class of elastic polymer materials with more carbamate groups (- NHCOO -) in the molecular chain. It is prepared by reaction of diisocyanate with polyether or polyester polyol with hydroxyl terminal and chain extender with low molecular weight diol. As a new kind of thermoplastic material, TPU has a wide range of hardness and can be used as soft and hard materials. It is non-toxic, pollution-free, recyclable and has developed rapidly in recent years.

Features

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Improved Flame Retardance

Achieved UL Yellow Card verified V0 (1.5mm-6.0mm), fully support cables products to pass the VW-1 or IEC60332 flame retardance tests.
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Improved Antistatic Resistance

Aiming at some special applications, TPU materials are antistatic modified to show its permanent antistatic resistant character (surface resistance 106-109), and excellent shading properties as well.
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Improved High Temperature Resistance

The halogen-free flame-retardant TPU materials support the cable to pass UL758/1581 105°C temperature resistance test (136°C/168h).
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Chemical Foaming Modification

Chemical foaming modification is conducted to proportion of 0.70-0.80. to meet the application requirement of marine floating cables and consumptions.
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Improved Appearance and Touch

Devers high polymer materials are applied to product formula to make the modified TPU display high-quality texture such as matte surface, grinding surface or display soft, comfortable, and dry rubber or silicone handle in cables and optical cables extrusion processing.
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Improved Environmental Resistant Performance

TPU is improved in the performance of UV resistance, mold resistance (GJB), hydrolysis resistance, chemical resistance, etc., to show higher security level and satisfy special requirement of its cable and optical cable jackets:

  • Mold-resistance: Pass the Chinese National Military Standard (GJB 150.01A) 0-1 Grade mold resistance test (with test report);
  • Hydrolysis-resistance: support cables to pass 1000h hydrolysis resistance test (85 ° C / 85% RH, 1000h); pass the 168Hrs thermostatic waterbath test (80℃/168Hrs) with the strength change rate ≤ 30% and elongation change rate ≤ 35%;
  • Oil-resistance: Support cables to pass 70℃/24h oil resistance test with the  change rate of strength and elongation ≤30%；
  • Acid and Alkali Resistance： Support cables to pass the acid and alkali resistance test at 23℃/168h with the strength change rate≤ 30%, and the elongation rate is≥ 100%.

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Improved Processing Performance:

  • Extrusion Grade TPU:The fluidity and crystallization rate of TPU materials are targeted to be improved to fully meet the requirements of wires, cables and optical cables jackets filling, semi-filling, empty tube extruding, and high-speed ultra-thin wall (≤0.1mm,80—200m/min) extruding. High extruding yield rate and deterioration performance like salivation, skin breakage, granules, rough linen, die marks and irregular shape seldom occurred. And this keep good stability of line diameter and roundness together with wires, cables and optical cables high-speed extrusion.
  • Injection Grade TPU: Good moldability, easy demolding, raising the injection yield greatly.

TPU Cable Application Field

TPU cable sheath wear-resisting, good mechanical strength, good luster, good elasticity at room temperature, good comprehensive performance after modification, and broad application prospects in the field of cable.

EV Cable
High Voltage Wire Harness in Vehicle
In-car Sensor Wire Harness & ABS brake line
EPB Harness bushing
Robot Control Cable
Military&Aerospace application cables
Ocean&Water Floating Cable
Medical equipment cable
Consumer Electronic Data Cable
Energy and Mining Cable
Communication optical fiber
Smart Wearer
Medical supplies
Consumer Goods

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Workflow

  • 1. Customer demands

    The customer proposes performance requirements based on actual cable application scenarios

  • 2.ATP engineers develop material solutions

    ATP customizes appropriate elastomer solutions according to customer requirements.

  • 3.Customer approves the solution , ATP makes samples

    After the customer approves the solution, ATP makes material samples for the customer to test.

  • 4.Customer test samples

    Customer make cable sheath according to sample material and test performance requirement.

  • 5.After sample test is passed, both parties will draw up the order contract

    After the customer passes the test and is satisfied with the material, he will draw up the order contract with ATP as required.

  • 6.Close the deal

    ATP produces materials as required and delivers products on time.

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