P.I.C.W--Paper Insulation Covered Wire

Product Name: Paper Insulation Covered Wire
Key Highlights:Good oil resistance, low dielectric loss and strong voltage-withstanding capability
Customization: Support customization needs.
Certification: Certified by IEC/ISO/UL/CE/ROHS

Technical Parameters

Conductor Material	High-purity oxygen-free copper (Cu ≥ 99.95%, oxygen content ≤ 10 ppm)
Conductor Dimensions	Thickness (a): 0.80-5.60 mm; Width (b): 2.00-16.00 mm;Customizable per customer requirements
Insulation Material	Cable paper, telephone paper, Nomex® 410 aramid paper
Insulation Material	melamine heat-resistant paper, polyester fiber non-woven fabric
Wrapping Method	Lap joint, butt joint, half lap, 2/3 overlap (customizable)
Insulation Thickness	0.20-0.90 mm (tolerance customizable; nominal thickness ±10%/-15%)
Key Performance	Resistivity: ≤0.017241 Ω·mm²/m (20°C)
	Elongation: >30% (0.80≤a≤1.60mm), >32% (1.60＜a≤2.50mm)
	Resilience: ≤5.5° Breakdown Voltage: ≥2.0kV-9.0kV (varies with insulation thickness)
Execution Standard	GB/T 7672-2008, GB/T 33597-2017; Support customization to IEC 60317

Product Varieties

TYPE	NAME
Z	Cable Paper or Telephone Paper Wrapped Copper Round Wire
ZA	500kV Transformer Interturn Insulation Paper Wrapped Copper Round Wire
ZB	Cable paper or telephone paper covered copper flat wire
ZAB	500kV transformer interturn insulated paper covered copper flat wire
NZB	Nomex paper covered copper flat wire
ZRB	Melamine heat-resistant paper covered copper flat wire
ZFB	Polyester fiber non-woven fabric wrapped copper flat wire

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Core Advantages

Minimized Losses：Precise transposition cuts circulating/eddy current losses, boosting transformer efficiency.
Superior Thermal Performance：Optimized structure enables fast heat dissipation, ensuring high-temperature stability and longer service life.
Strong Mechanical Reliability：Tightly wrapped integrated structure resists operational/short-circuit mechanical stress effectively.
High Space Utilization：Multi-strand design raises space factor, reduces transformer volume and simplifies processing costs.

Product Features

Integrated design: Reduces assembly steps for customers, improving equipment installation efficiency.
Customized combination: Supports flexible combination of conductors, insulation materials, and structures.
Superior performance: Synergizes the advantages of different materials to achieve higher conductivity and better insulation.
Strict quality inspection: Equipped with advanced testing equipment such as corona resistance testers and eccentricity analysis microscopes.