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Modified Materials For Wires And Cables
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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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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The temperature resistance: 60℃, 70 ℃, 80 d℃, 90℃, 105℃, and 125℃; Excellent cold resistance and flame retardancy;
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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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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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PVC Materials for Agricultural Hoses
PVC for Agricultural Hoses (100 words)
Polyvinyl Chloride (PVC) is a predominant material for flexible, lightweight agricultural hoses. Key advantages include:
Durability: Offers excellent resistance to abrasion, weathering, ozone, and many common agricultural chemicals (fertilizers, pesticides).
Flexibility: Provides good maneuverability for irrigation, spraying, and water transfer around farms, even in cooler temperatures.
Cost-Effectiveness: Generally more affordable than rubber alternatives while delivering reliable performance.
Smooth Bore: Minimizes friction loss for efficient water flow.
Lightweight: Easier to handle, deploy, and store than heavier hoses.
Reinforcement (like polyester yarn or fiber mesh) is embedded within the PVC walls to handle operating pressures typical for farm use. It effectively replaces heavier rubber hoses for many mid-pressure applications.
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Silane XLPE XLPO for Solar Cables PV1-F Sheathing
Silane-crosslinked polyethylene (XLPE) and silane-crosslinked polyolefin (XLPO) are key materials for solar cable sheathing due to their excellent durability and performance. XLPE offers high thermal resistance (up to 120°C), UV stability, and flexibility, making it ideal for outdoor PV applications. XLPO, a modified polyolefin blend, provides enhanced mechanical strength, chemical resistance, and lower smoke emission during combustion. Both materials are processed via moisture-curing silane grafting, ensuring efficient crosslinking without specialized equipment. Their lightweight, abrasion-resistant properties comply with IEC 62930 and TUV standards for solar cables. These materials ensure long-term reliability in harsh environments, supporting efficient energy transmission in solar power systems.
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Silane XLPE XLPO Materials for Solar PV1-F Cables Insulation
Silane-crosslinked polyethylene (XLPE) and crosslinked polyolefin (XLPO) are advanced insulation materials widely used in solar PV1-F cables. These materials offer excellent thermal stability (up to 120°C), UV resistance, and mechanical strength for photovoltaic applications. The silane crosslinking process enhances dielectric properties while maintaining flexibility. Compared to conventional PVC, XLPE/XLPO provides 2-3 times longer service life with better moisture and chemical resistance. Their low smoke emission and halogen-free composition meet IEC 62930 standards for fire safety. These lightweight materials reduce cable weight by 15-20% versus rubber insulation, lowering installation costs. Their superior weatherability ensures reliable performance in harsh outdoor environments for 25+ years.
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PVC (Polyvinyl Chloride) is extensively modified for durable, high-performance dog leashes. Key modifications include:
Plasticizers: Essential for achieving the necessary flexibility and soft feel (e.g., non-phthalate DINP/DPHP for safety compliance).
Stabilizers: Prevent degradation during processing and enhance long-term resistance to UV light, heat, and weather exposure (critical for outdoor use).
Fillers: Improve abrasion resistance, stiffness control, and reduce costs (e.g., calcium carbonate).
Impact Modifiers: Enhance toughness and durability to withstand pulling and chewing.
Pigments: Provide vibrant, fade-resistant colors.
These modifications create leashes offering excellent tensile strength, weather resistance, easy cleaning, comfortable grip, and tailored stiffness/flexibility, ensuring safety, longevity, and compliance with pet product regulations (e.g., FDA, REACH).
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