Description

Copper Tape 25 X 3MM (Bare)(Roll 50m

The Copper Tape 25 X 3MM (Bare)(Roll 50m) provides exceptional electrical conductivity and corrosion resistance for professional grounding and earthing applications. This high-purity copper tape delivers reliable electromagnetic protection while offering installation flexibility that accommodates complex routing requirements in electrical systems, telecommunications infrastructure, and lightning protection installations.

Pure Copper Construction and Material Properties

High-Conductivity Copper Composition

The Copper Tape 25 X 3MM (Bare)(Roll 50m) utilizes 99.9% pure copper construction that provides superior electrical conductivity essential for effective grounding and electromagnetic shielding applications. This high-purity composition ensures minimal resistance while maintaining excellent current-carrying capacity.

Core Material Specifications

  • Copper Purity: 99.9% electrolytic grade copper for optimal conductivity
  • Dimensions: 25mm width × 3mm thickness for substantial cross-sectional area
  • Roll Length: 50 meters continuous length reduces installation joints
  • Tensile Strength: Minimum 220 N/mm² for mechanical durability
  • Conductivity: 100% IACS (International Annealed Copper Standard) rating
  • Density: 8.96 g/cm³ standard copper density for consistent performance

The soft annealed condition provides excellent formability while maintaining the mechanical strength required for long-term installation integrity in demanding environments.

Electrical Performance and Conductivity

Superior Current Carrying Capability

The Copper Tape 25 X 3MM (Bare)(Roll 50m) delivers exceptional current carrying capacity through its substantial cross-sectional area and high-purity copper construction. This performance ensures reliable operation in high-current grounding applications.

Electrical Characteristics

  • Cross-Sectional Area: 75mm² effective conducting area
  • Current Carrying Capacity: 200+ amperes continuous rating
  • Resistance: 0.23 milliohms per meter for minimal voltage drop
  • Temperature Coefficient: 0.0039/°C standard copper characteristics
  • Frequency Response: Excellent conductivity across DC to high-frequency applications
  • Electromagnetic Shielding: Superior RF and EMI attenuation properties

Grounding System Performance

The low resistance characteristics ensure effective fault current dissipation while the wide surface area provides excellent electromagnetic shielding for sensitive electronic equipment protection.

Installation Flexibility and Mechanical Properties

Exceptional Formability

The Copper Tape 25 X 3MM (Bare)(Roll 50m) offers outstanding flexibility that enables installation around complex geometries, through tight spaces, and along irregular surfaces without compromising electrical integrity or mechanical strength.

Installation Advantages

  • Bendability: Forms tight radii without cracking or breaking
  • Surface Conformity: Adapts to irregular surfaces and contours
  • Cutting Ease: Simple hand tool cutting for precise length requirements
  • Joint Formation: Excellent soldering and brazing characteristics for permanent connections
  • Mounting Options: Multiple fastening methods including clips, adhesives, and mechanical fixings

Routing Capabilities

The tape format allows installation through cable trays, conduits, and building structures where traditional grounding conductors would be impractical or impossible to route effectively.

Corrosion Resistance and Environmental Protection

Natural Oxidation Properties

The Copper Tape 25 X 3MM (Bare)(Roll 50m) develops a protective patina layer when exposed to atmospheric conditions, providing natural corrosion resistance that maintains electrical integrity over decades of outdoor exposure.

Environmental Performance

  • Atmospheric Corrosion: Natural patina formation provides long-term protection
  • Soil Compatibility: Excellent performance in most soil conditions
  • Moisture Resistance: Maintains conductivity in high-humidity environments
  • Chemical Resistance: Resistant to most common environmental chemicals
  • UV Stability: Ultraviolet exposure does not affect electrical properties
  • Marine Environment: Suitable for coastal installations with proper protection

Protective Coating Options

While supplied as bare copper, the tape accepts various protective coatings including tin plating, nickel plating, or protective compounds for enhanced corrosion resistance in aggressive environments.

Professional Grounding Applications

Electrical System Earthing

Professional electricians rely on the Copper Tape 25 X 3MM (Bare)(Roll 50m) for main earthing conductor installations, equipotential bonding, and lightning protection systems. The high current capacity ensures safe fault current dissipation while meeting electrical code requirements.

Telecommunications and Data Center Applications

  • Equipment Grounding: Server racks, network equipment, and telecommunications infrastructure
  • EMI Shielding: Electromagnetic interference protection for sensitive electronics
  • Static Dissipation: ESD protection for electronic manufacturing and repair facilities
  • Cable Tray Bonding: Continuous grounding of metallic cable support systems

Industrial and Commercial Uses

Manufacturing facilities, chemical plants, and commercial buildings utilize copper tape for extensive grounding networks that ensure personnel safety and equipment protection across large installations.

Lightning Protection System Integration

Lightning Rod and Air Terminal Connections

The Copper Tape 25 X 3MM (Bare)(Roll 50m) provides essential down conductor paths for lightning protection systems, safely directing electrical energy to ground electrodes while protecting structures from lightning damage.

Storm Protection Features

  • High Current Capacity: Handles lightning surge currents exceeding 100,000 amperes
  • Low Inductance: Flat profile minimizes inductive reactance for effective lightning protection
  • Mechanical Strength: Withstands thermal and mechanical stresses from lightning strikes
  • Weather Resistance: Maintains integrity through extreme weather conditions

Building Protection Systems

Comprehensive lightning protection requires reliable conductor paths from air terminals to grounding electrodes, with copper tape providing the flexibility needed for complex building geometries.

Installation Techniques and Best Practices

Professional Installation Methods

The Copper Tape 25 X 3MM (Bare)(Roll 50m) requires proper installation techniques to ensure optimal performance and compliance with electrical safety standards. Professional installation maximizes system effectiveness while ensuring long-term reliability.

Installation Guidelines

  • Support Spacing: Maximum 1-meter intervals for horizontal runs
  • Bend Radius: Minimum 5 times tape width for stress-free installation
  • Joint Techniques: Soldered or brazed connections for permanent installations
  • Fastening Methods: Stainless steel clips or brackets for corrosion resistance
  • Protection Requirements: Mechanical protection in areas subject to physical damage

Code Compliance Considerations

Installation must comply with local electrical codes regarding conductor sizing, routing, and protection requirements for grounding and bonding applications.

Connection Methods and Joining Techniques

Permanent Connection Options

The Copper Tape 25 X 3MM (Bare)(Roll 50m) accommodates various connection methods that ensure reliable electrical continuity while maintaining mechanical integrity throughout the system’s operational life.

Connection Techniques

  • Soldered Joints: High-temperature silver solder for permanent low-resistance connections
  • Brazed Connections: Bronze brazing for maximum mechanical and electrical integrity
  • Mechanical Connectors: Bolted connections with stainless steel hardware
  • Welded Joints: Exothermic welding for underground and high-current applications
  • Compression Fittings: Specialized connectors for tape-to-cable transitions

Quality Assurance

Proper joint preparation and execution ensure long-term electrical integrity while preventing corrosion that could compromise system performance.

Economic Considerations and Value Analysis

Cost-Effective Grounding Solution

The Copper Tape 25 X 3MM (Bare)(Roll 50m) provides economical grounding capacity compared to equivalent round conductors while offering superior installation flexibility that reduces labor costs in complex installations.

Economic Advantages

  • Material Efficiency: High surface area to weight ratio maximizes conductivity per cost
  • Installation Savings: Flexible routing reduces installation time and complexity
  • Reduced Joints: 50-meter length minimizes connection points and associated costs
  • Long Service Life: Corrosion resistance ensures decades of reliable operation
  • Code Compliance: Meets electrical standards without oversizing requirements

Total Cost of Ownership

The combination of low material cost, reduced installation labor, and minimal maintenance requirements provides excellent long-term value for professional grounding applications.

Quality Standards and Certifications

Manufacturing Standards Compliance

The Copper Tape 25 X 3MM (Bare)(Roll 50m) meets international standards for electrical conductor materials while maintaining consistent quality through rigorous manufacturing controls and testing protocols.

Standards Compliance

  • IEC Standards: International Electrotechnical Commission conductor specifications
  • ASTM Certification: American Society for Testing and Materials copper standards
  • BS Standards: British Standards for electrical conductor materials
  • UL Recognition: Underwriters Laboratories component recognition where applicable
  • ISO Quality: Manufacturing quality management system certification

Testing and Verification

Each production lot undergoes conductivity testing, dimensional verification, and material composition analysis to ensure consistent performance characteristics.

Storage and Handling Requirements

Proper Storage Practices

The Copper Tape 25 X 3MM (Bare)(Roll 50m) requires appropriate storage conditions to maintain material properties and prevent contamination that could affect electrical performance or installation quality.

Storage Guidelines

  • Dry Environment: Indoor storage prevents premature oxidation and contamination
  • Temperature Control: Ambient temperature storage maintains material flexibility
  • Protection from Chemicals: Isolation from corrosive substances and cleaning chemicals
  • Physical Protection: Prevents mechanical damage during storage and transport
  • Inventory Rotation: First-in, first-out practices ensure material freshness

Handling Precautions

Proper handling techniques prevent work hardening and surface contamination while maintaining the electrical and mechanical properties essential for professional installation.

Technical Support and Application Assistance

Professional Support Services

The Copper Tape 25 X 3MM (Bare)(Roll 50m) includes access to technical support resources that assist with system design, installation planning, and troubleshooting for optimal grounding system performance.

Support Resources

  • Technical Documentation: Comprehensive installation guides and application specifications
  • Engineering Support: Expert assistance for complex grounding system design
  • Code Compliance: Guidance for electrical code requirements and inspection preparation
  • Training Resources: Educational materials for proper installation techniques
  • Application Examples: Real-world case studies demonstrating effective system design

Quality Assurance

Ongoing technical support ensures proper application while manufacturer backing provides confidence in long-term system performance and reliability.


Product Specifications Summary

  • Dimensions: 25mm width × 3mm thickness
  • Length: 50 meters continuous roll
  • Material: 99.9% pure electrolytic copper
  • Cross-sectional area: 75mm² conducting area
  • Current capacity: 200+ amperes continuous
  • Conductivity: 100% IACS rating for optimal performance