Description

Atomfair High-Precision Rolled Copper Foil

Product Overview

Atomfair High-Precision Rolled Copper Foil is a premium functional material engineered for high-end industrial applications. Crafted from high-purity C11000 copper raw materials via advanced precision rolling processes, it undergoes strict degreasing and anti-oxidation treatments. Entirely produced and packaged in a dust-free workshop, the product combines exceptional mechanical and electrical performance with superior surface cleanliness, complying with rigorous international quality standards to deliver defect-free consistency.

Core Specifications & Performance Parameters

Specification Item	Specific Parameters
Base Material	C11000 Copper
Copper Purity	>99.99%
Thickness Range	0.009?.1mm (0.0003?.004 inches)
Width Range	150?50.0mm (5.9?5.6 inches)
Core Features	High purity; excellent surface finish; good flatness; precise dimensional tolerance; outstanding processability; high flexibility; high elongation; strong fatigue resistance; superior oxidation resistance; stable mechanical properties
Process Treatment	Degreasing treatment; anti-oxidation coating
Production Environment	Dust-free workshop (production & packaging)
Quality Standard	Compliant with strict international manufacturing standards; defect-free quality control

Core Functional Advantages

1. Ultra-high Purity & Cleanliness
   With copper purity exceeding 99.99%, the foil minimizes impurity interference in electrical and thermal applications. Dust-free production and packaging prevent surface contamination, ensuring compatibility with high-precision processing requirements for electronics and energy storage components.
2. Balanced Mechanical & Corrosion Resistance
   The integrated degreasing and anti-oxidation treatments enhance surface stability, resisting oxidation even in harsh operating environments. Its high flexibility, elongation, and fatigue resistance enable reliable performance under repeated bending and stress, suitable for long-cycle applications such as battery electrodes and electromagnetic shielding.
3. Precise Dimensional Control
   Tight tolerance ranges for thickness and width ensure consistent product dimensions, matching the requirements of automated production lines. Excellent flatness and surface finish reduce processing defects, improving yield rates for high-end component manufacturing.

Application Scenarios

This high-precision rolled copper foil is tailored for high-end applications across multiple industries, ideal for the following scenarios:

• Industrial Heat Dissipation: Serves as the core material for heat sinks in automobiles, agricultural machinery, mining equipment, construction machinery, diesel locomotives, ships, and generator sets, enabling efficient heat conduction and dissipation to maintain equipment operating stability.
• Electronics & Electrical Engineering: Used in manufacturing high-end electronic components and printed circuit boards (PCBs), providing stable electrical conductivity and signal transmission performance for precision electronic devices.
• Energy Storage & Functional Materials: Acts as the base material for lithium-ion battery electrodes, electromagnetic shielding materials, and conductive components. Its oxidation resistance and processing compatibility ensure long service life and performance stability of end products.
• Import Substitution Solutions: Directly replaces equivalent-grade copper foil products from Japan and Western countries, helping customers shorten supply chains, reduce procurement costs, and enhance production efficiency.

Quality Compliance

• The product complies with ASTM B152 (Standard Specification for Copper Sheet, Strip, Plate, and Rolled Bar) international standards, ensuring consistent mechanical and physical properties.
• Surface treatment processes meet IPC-4562 specifications for metal foils used in printed circuit boards, matching the requirements of high-end electronics manufacturing.
• Quality control follows ISO 9001 quality management system standards, with full-process inspection to achieve defect-free product output.

If you?e interested, have any questions, or have specific customization requirements, please feel free to contact us at inquiry@atomfair.com.