High-Conductivity Custom Tin-Plated Busbars

Short Description:

Product Specifications
Name： Custom Finished Tin-Plated Busbar
Standard： ASTM B187 / B152 (Copper Base), ASTM B339 (Tin Plating), RoHS Compliant, REACH Compliant
Material： C11000 (ETP Copper, ≥99.9% Cu) with Electrolytic Tin Plating (5-20μm thickness)
Surface： Uniform Bright Tin Finish, Optional Pre-Drilled Holes or Chamfered Edges
Width： 20mm – 250mm
Thickness： 2mm – 20mm
Length： 1000mm – 4000mm (fully custom cut-to-length and fabrication available)
Product Features: Excellent electrical conductivity with low contact resistance · Strong corrosion and oxidation protection from tin coating · Superior solderability and ease of connection · High mechanical flexibility for custom shaping · Consistent performance in varying temperatures · Reduced maintenance and longer service life · Tailored dimensions for seamless integration
Application Field: Power distribution and switchgear systems, Electrical panels and control cabinets, Renewable energy inverters and battery packs, Industrial automation equipment, Data center power infrastructure, Automotive electrical systems, Railway and marine power distribution, Transformer connections, Grounding and bonding applications

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Custom Finished Tin-Plated Busbar – Process & Quality Assurance Statement
Our custom finished tin-plated busbars are produced to your exact specifications, delivering ready-to-install components that combine pure copper's conductivity with tin's protective qualities for reliable, long-term electrical performance.

Key process features

Manufacturing integrates precision fabrication with controlled plating to ensure every piece meets your unique requirements:
●Base Material Forming: High-purity copper is rolled to precise thickness and width, maintaining tight tolerances from the start.
●Custom Fabrication: Bars are cut to length, holes drilled, edges chamfered, or bends formed using CNC equipment for perfect fit.
●Surface Preparation: Thorough cleaning and activation create an ideal base for strong plating adhesion.
●Electro-Tin Plating: Uniform tin layer is applied in automated lines, with thickness strictly controlled for optimal protection and conductivity.
●Post-Plating Finishing: Rinsing and drying prevent defects; additional polishing or passivation available if specified.
●Final Verification: Each bar is measured against your drawings before approval.
●Secure Packaging: Custom protective wrapping and crating ensure parts arrive undamaged and ready for immediate use.

Quality control system

● Complete traceability from copper source to finished custom busbar
● Detailed test reports including plating thickness, conductivity, and dimensional accuracy provided with every order
● Sample retention ≥3 years for third-party analysis (SGS, BV, TÜV, etc.)
● 100% inspection of essential attributes:
• Base copper purity and conductivity (>100% IACS typical)
• Tin plating thickness and uniformity (X-ray fluorescence measurement)
• Adhesion strength (bend and thermal testing)
• Full dimensional compliance (CMM and laser gauges; typical tolerance ±0.2mm)
• Surface quality (visual and microscopic checks)
● Internal standards exceed ASTM requirements. Typical performance: Excellent current flow with minimal heat buildup, Superior resistance to environmental corrosion, Robust plating that maintains integrity through installation and service.
● ISO 9001:2015 certified operations guarantee every custom finished tin-plated busbar meets your precise needs with consistent quality and reliable delivery.