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Modified Materials For Wires And Cables
Polyurethane (PUR) is widely used in cable jacketing due to its superior properties:
Exceptional Toughness & Abrasion Resistance: Withstands harsh physical environments better than many plastics.
Flexibility & Elasticity: Maintains flexibility over a wide temperature range, even at low temperatures, making it ideal for constant-flex applications (e.g., robotics, automation, trailing cables).
Chemical & Oil Resistance: Resists oils, greases, solvents, and many chemicals, crucial for industrial settings.
Cut & Tear Resistance: Offers high resistance to mechanical damage.
Environmental Resistance: Good resistance to ozone, weathering, and hydrolysis (especially specific formulations), suitable for outdoor use.
Plasticizer-Free: Unlike PVC, PUR doesn't rely on migrating plasticizers, ensuring long-term flexibility retention.
PUR jackets are common in robotic arms, drag chains, industrial machinery, portable power cables, and demanding outdoor applications. It's available as castable liquid systems or thermoplastic pellets (TPU).
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TPE Materials for Ice Cream Molds
TPE Material for Ice Cream Molds
Thermoplastic Elastomers (TPE) are ideal for ice cream molds due to their flexibility, durability, and food-grade safety. Key properties include:
Softness & Non-Stick: Easy demolding without damaging delicate ice cream shapes.
Food Compliance: FDA/EU-approved formulations resist oils and low temperatures (-30°C).
Reusability: Withstand repeated freezing/thawing cycles without cracking.
Eco-Friendly: Recyclable alternatives to silicone or PVC.
Common types include SEBS-based TPEs for elasticity and PP-blended TPEs for rigidity. Applications extend to DIY home molds and industrial production lines.
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The temperature resistance: 60℃, 70 ℃, 80 d℃, 90℃, 105℃, and 125℃; Excellent cold resistance and flame retardancy;
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TPE TPU for EV Charging Cables
TPU for EV Charging HV Cables
Thermoplastic polyurethane (TPU) elastomers enable flexible, high-reliability insulation/sheathing for DC fast-charging cables (>500V), meeting IEC 62893 standards.
Critical Performance
Electrical Safety: Halogen-free formulations achieve ≥30 kV/mm dielectric strength and V-0 flame rating (UL 94).
Extreme Environment: Retains flexibility (-40°C to 125°C), resists oils, UV, and hydrolysis.
Durability: Withstands >10,000 bend cycles and mechanical abrasion.
Material Advantages
Processing: Extrusion at 195–220°C; recyclable vs. thermoset alternatives.
Sustainability: Bio-based TPU options (e.g., BASF Elastollan®, Arkema EcoPaXX®) reduce carbon footprint.
Applications
Insulation layers for 150–1000V DC cables
Protective outer jackets in CCS2/CHAdeMO connectors
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XLPE for Wires and Cables
Crosslinked polyethylene (XLPE) is a thermoset polymer engineered via chemical/peroxide or radiation crosslinking, enhancing thermal/mechanical properties over standard PE.
Critical Advantages
Thermal Stability: Continuous operation up to 180°C (vs. PE’s 75°C), resistant to thermal deformation.
Electrical Performance: Ultra-low dielectric loss, high insulation resistance (IEEE 48 standards).
Durability: Superior tensile strength, abrasion/chemical resistance, and reduced water treeing.
Key Applications
Energy Infrastructure: HV power cables (>500 kV), solar/wind farm wiring.
Industrial Systems: Fire-resistant building wires, submarine cables, and automotive harnesses.
Processing: Cured at 160–200°C; recyclable via thermoplastic conversion tech.
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