Aicaigou LogoB2B Wiki

Ultra-Thin High Precision Copper Plate

Updated: 2026-08-06

Overview

Ultra-thin high-precision copper plates are advanced copper materials engineered for applications requiring minimal thickness and high dimensional accuracy. These plates are typically produced through precision rolling or electrodeposition processes, resulting in thicknesses ranging from a few micrometers to several millimeters. Their exceptional properties, including high electrical and thermal conductivity, make them indispensable in modern industries. The manufacturing process ensures uniformity and minimal surface defects, which are critical for high-performance applications.

Physical and Chemical Properties

Ultra-thin high-precision copper plates exhibit outstanding physical properties, such as a density of 8.96 g/cm³ and a melting point of 1085 °C. Their high electrical conductivity (approximately 58 MS/m) and thermal conductivity (401 W/m·K) are key advantages for electronic and thermal management applications. Chemically, copper is resistant to many corrosive environments but can oxidize in the presence of moisture and certain chemicals. The thinness of these plates requires careful handling to prevent deformation or damage during processing and use.

Main Applications

These copper plates are widely used in the electronics industry for printed circuit boards (PCBs), flexible circuits, and electromagnetic shielding. Their precision and thinness are crucial for miniaturized electronic components. In aerospace, they are employed in heat exchangers and electrical systems due to their lightweight and high conductivity. Industrial applications include precision machinery, where their durability and conductivity enhance performance and efficiency.

Safety and Storage

While copper is generally non-toxic, fine copper dust generated during machining can irritate the respiratory system. Proper ventilation and personal protective equipment (PPE) such as masks and gloves are recommended during handling and processing. Storage should be in a dry, controlled environment to prevent oxidation and surface degradation. Packaging in moisture-resistant materials and avoiding contact with corrosive substances will prolong shelf life and maintain quality.

B2B Procurement Guide

When procuring ultra-thin high-precision copper plates, verify the supplier's certifications, such as ASTM or ISO standards, to ensure material quality. Specify required thickness, tolerance, and surface finish to meet application needs. Consider bulk purchasing for cost savings, but ensure the supplier can consistently meet quality standards. Lead times and minimum order quantities (MOQs) should also be clarified to align with production schedules.

Related Manufacturers