GOLDWELD CR25 Exothermic Welding Mold – T-Type Cable-to-Ground-Rod Connection

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Product Overview

The GOLDWELD CR25 Exothermic Welding Mold is designed to create permanent, highly conductive T-type connections between copper conductors in grounding and lightning protection systems.

Manufactured from high-quality graphite, the CR25 mold offers excellent thermal resistance, dimensional stability, and reliable performance across repeated welding operations.

Technical Specifications

Key Features & Benefits

• Permanent Connection: Creates a metallurgical bond between copper conductors without mechanical fastening.
• Excellent Electrical Conductivity: Provides a low-resistance current path suitable for grounding and lightning protection applications.
• Long-Term Reliability: Properly executed welds resist loosening and maintain stable electrical performance over time.
• Reusable Graphite Mold: Supports approximately 70–100 welding cycles with proper handling and maintenance.
• Efficient Installation: Designed for consistent welding results and straightforward field operation.
• Cost-Effective Solution: Reusable molds help reduce installation costs across multiple connections.

Compatible Exothermic Welding Materials & Accessories

GOLDWELD provides a comprehensive range of exothermic welding materials and accessories, including:

• Welding Powder: Available in 45g, 65g, 90g, 115g, 150g, 200g, and 250g sizes.
• Mold Handle Clamp: Secures the graphite mold during welding.
• Metal Retaining Disc: Holds the welding material inside the crucible before ignition.
• Ignition Tools: Used to initiate the exothermic reaction.
• Cleaning Tools: Brushes and accessories for mold maintenance.
• Sealing Compound: Helps prevent molten metal leakage where required.

Note: The required welding powder charge and compatible accessories must be selected according to the specific mold model and conductor dimensions.

Installation Guide

1. Inspect: Check the graphite mold for damage and verify compatibility with the conductors.
2. Clean & Dry: Remove dirt, oxidation, and moisture from the mold and copper conductors. Preheat where necessary.
3. Position: Place the conductors into the designated mold cavities and secure the mold with the handle clamp.
4. Load: Install the retaining disc and add the specified quantity of welding powder and ignition material according to the manufacturer’s instructions.
5. Ignite: Close the mold lid and initiate the welding reaction using the approved ignition method.
6. Cool & Inspect: Allow the weld to solidify and cool sufficiently before opening the mold. Inspect the completed connection and clean the mold before reuse.

Safety Notice: Exothermic welding involves molten metal and extremely high temperatures. Only trained personnel should perform welding operations using appropriate personal protective equipment and approved procedures.

Applications

GOLDWELD CR25 molds are suitable for T-type copper conductor connections in:

• Lightning protection systems
• Electrical grounding and earthing networks
• Industrial facilities and manufacturing plants
• Power distribution infrastructure
• Renewable energy installations
• Commercial buildings and data centers

Why Choose GOLDWELD?

With nearly 20 years of manufacturing and export experience, GOLDWELD delivers reliable exothermic welding solutions for domestic and international projects.

We offer consistent product quality, large-volume supply capacity, technical support, and customized mold manufacturing services to meet specific project requirements.

GOLDWELD – Because the Connection Matters.

Contact Us for Technical Support & Quotations

Website: goldweld.vn
Email: goldweld.vn@gmail.com
Hotline / WhatsApp: +84 978 600 005