Paper Insulated Copper Conductor, Certification : ISI Certified

The product shown in the image appears to be **Kraft Paper Covered Copper Conductor** (often used in transformer manufacturing).

### 📌 **Product Name: Kraft Paper Covered Copper Conductor**

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### 🔧 **Technical Attributes:**

1. **Material:**

   * **Conductor:** Electrolytic grade annealed copper (purity ≥ 99.9%)

   * **Insulation:** High-grade Kraft paper (thermally upgraded paper is also available)

2. **Diameter / Size Range:**

   * **Bare Copper Diameter:** 1.5 mm to 6.0 mm (round or rectangular)

   * **Finished Diameter (with paper):** Depends on number of wraps, typically 1–3 layers

   * Tolerance as per customer or industry specification (usually IEC/IS)

3. **Paper Covering:**

   * Layers: 1 to 3 layers of Kraft paper

   * Paper Thickness: 0.05 mm to 0.125 mm

   * Type: Crepe, Kraft, or Thermally Upgraded Paper

4. **Usage:**

   * Used in **power and distribution transformers** as winding conductors

   * Suitable for **oil-immersed transformers**

   * Also used in **reactors** and **chokes**

5. **Features:**

   * Excellent dielectric strength

   * High thermal resistance (up to Class A or F depending on paper)

   * Good flexibility and windability

   * Uniform insulation and moisture resistance

   * Enhanced life expectancy in transformer windings

6. **Standards:**

   * IS 13730, IEC 60317, or customized per client specs

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