Overview
Brushed copper plates are crafted from high-purity copper sheets, mechanically treated to achieve a uniform linear grain pattern. This finish reduces glare while enhancing durability and visual appeal. Primarily used in premium architectural projects (e.g., wall panels, countertops) and electrical engineering, these plates combine functionality with design flexibility. The brushing process also improves resistance to minor scratches compared to polished surfaces.
Structure and Working Principle
The plate consists of 99.9% electrolytic copper (C11000), cold-rolled to precise thicknesses before abrasive brushing. The surface texture is created by directional abrasion with fine-grade belts or wheels. This microstructure enhances mechanical bonding for coatings while maintaining copper's innate properties: 100% IACS conductivity (58 MS/m) and thermal conductivity of 401 W/m·K. The grain direction affects bendability—always bend perpendicular to brushing lines for optimal results.
Key Features
1. **Conductivity**: Ideal for busbars and grounding systems due to low resistivity (1.68×10⁻⁸ Ω·m). 2. **Corrosion Resistance**: Forms a protective patina; optional lacquer coatings available for indoor use. 3. **Aesthetic Versatility**: Brushed finish hides fingerprints; develops natural oxidization over time unless sealed. Thickness tolerance typically adheres to ASTM B152 standards (±0.05mm for sheets under 3mm).
Application Areas
**Architecture**: Cladding for elevators, backsplashes, and feature walls in commercial spaces. **Electronics**: EMI shielding and transformer components. **HVAC**: Heat exchanger fins. Artisans value these plates for metal embossing and sculpture due to their softness (45HV hardness). Recent trends include laser-cut decorative screens and backlit ceiling panels in hospitality projects.
Maintenance and Precautions
For uncoated plates, use pH-neutral cleaners and microfiber cloths to preserve the patina. Industrial applications may require annual antioxidant treatment (e.g., benzotriazole). Store vertically with interleaving paper to prevent surface contact. Avoid ammonia-based cleaners which cause stress corrosion cracking. Welding requires deoxidized copper filler rods (ECu type).
B2B Procurement Guide
1. **Certifications**: Request mill test reports confirming ASTM B152 compliance and oxygen-free properties (<0.001% O₂). 2. **Customization**: Suppliers often offer shearing, CNC punching, and pre-oxidized finishes. 3. **MOQs**: Standard sheets (1220mm×2440mm) typically have 50kg minimum orders; small-quantity surcharges may apply. Leading producers include KME Group (Germany) and Ningbo Jintian Copper Group (China). Prices fluctuate with LME copper rates (+15-20% processing premium).
Related Manufacturers
- 主营：[]
- 主营：[]
- 主营：紫铜管、紫铜排、紫铜棒、紫铜板、TU2紫铜板、C1011紫铜板、紫铜带、镀锡铜排、空调铜管、黄铜管、黄铜板、黄铜排、锡青铜棒、铜母线、止水铜板、T2空调铜管、镀锡铜母线、C11000紫铜排、T2紫铜带、T2止水铜片、T2铜板、裸铜编织带、镀锡扁铜线、T2铜排、T2紫铜棒
- 主营：Q345D厚壁无缝管、合金管、高压锅炉管、紫铜板、石油裂化管、GB5310无缝钢管、低温管、高压管、镀锌钢管、方管、镀锌方管、方矩管、欧标方矩管、无缝方管、矩形管、大口径方管、B热浸镀锌无缝管、友发镀锌钢管、20G高压锅炉管、Q345B无缝钢管、20G无缝钢管、冷拔无缝钢管、16Mn无缝管、热浸镀锌无缝管
- 主营：母线槽、紫铜排、端子排、紫铜板拉丝、铜盘条、铜母线、软铜排、六角铜排、包塑铜排、电器开关、铜包铝排、端子铜排、镀银铜排、软态铜排、电气铜排、汇流铜排、电力铜排、电子仪器、无氧铜排、开关设备、接地铜排、动力铜排、镀锡铜排、异形铜排、定尺铜排、空调设备
- 主营：红铜板、纯铜排、黄铜棒、紫铜板、连接条、红铜条、红铜棒、铝合金、止水板、紫铜排、纯铜带、紫铜带、纯铜棒、纯铜板、黄铜板、紫铜棒、加工件、五金件、cnc加工、导电板、配电柜、加工板材、机械定制、导电铜棒、黄铜方棒
- 主营：紫铜管、紫铜排、紫铜棒、紫铜板、T2紫铜板、T3紫铜板、紫铜带、空调铜管、镀锡铜排、接地铜排、黄铜管、黄铜板、黄铜排、镀锡铜鼻子、铜接线端子、TU2导电紫铜带、T2紫铜棒、扁孔铜排、紫铜管折弯、锡青铜套、铜排软连接、铜包铝扁线、T2紫铜排、OT铜鼻子、T2接地紫铜排
- 主营：紫铜管、紫铜排、紫铜棒、紫铜板、黄铜排、黄铜板、黄铜管、黄铜带、空调紫铜管、铝圆棒、紫铜带、铝管、铝板、蚊香盘管、镀锡铜排、铝方管、红铜棒、铝方通、不锈钢管、不锈钢板、铝合金管、6061铝管、黄铜箔、铜母线
- 主营：T2铜排、T2紫铜管、T2紫铜带、T2紫铜板、6063铝板、6061铝管、导电紫铜管、镀锡铜排、T2止水铜板、空调铜管、薄壁紫铜管、TU2汇流铜排、TU2铜母线、空调用紫铜管、紫铜盘管、T2紫铜棒、TU2接地铜棒、H62铜排、H85黄铜排、LY12铝板、LY12铝管、H59黄铜板、镀锡黄铜排、5A06合金铝管、铝合金管
- 主营：接地铜排、T2紫铜排、镀锡铜绞线、T2紫铜板、空调铜管、5083铝合金管、铝方管、T2紫铜管、止水铜板、包塑紫铜管、Ly12铝方管、汇流紫铜排、花纹铝板、T2紫铜带、6061铝管、合金铝板、合金铝管、H62黄铜棒、镀锡紫铜排、铝青铜套、紫铜编织软连接、接地导电铜棒、7075铝方棒、5082合金铝排、国标黄铜管
- 主营：拉丝紫铜板、铜排、铜管、铜带
- 主营：无缝钢管、钢板桩、不锈钢管、拉丝紫铜板、无缝管、化肥专用管、管线管、石油裂化管、锅炉管、高压锅炉管、镀锌钢管、镀锌管、螺旋钢管、合金钢管、钢绞线、20G无缝钢管、角钢、槽钢、工字钢、H型钢、钢板、Q235B角钢、镀锌螺旋管、精密钢管、防腐钢管、精制钢方管
- 主营：C5191磷铜板、705T6铝棒、C18150铬锆铜棒、T2紫铜板、5052铝合金板、铁铬铝、钛合金、特硬不锈钢带、镍白铜、铜材、紫铜丝、铍铜带、锌合金、空心黄铜管、纯铝带、铝片加工、铬锆铜板、磷青铜带、磷铜棒、H65黄铜管、T2紫铜管、纯铜棒、6061铝管、316不锈钢板、镜面铜板
- 主营：铝盘管、铝管、铝板、紫铜板、铝排、铝锻件、铝锻管、铝棒、无缝铝管、大口径铝管、紫铜管、紫铜棒、紫铜排、黄铜管、黄铜板、黄铜棒、黄铜带
- 主营：角钢、槽钢、钢板、拉丝紫铜板、厚壁铜管、汇流铜排、导电铜管、接地铜排、镀锡铜排、无缝钢管、石油裂化管、方管、紫铜排、3087中低压锅炉管、热轧无缝管、合金板、Q355B无缝钢管、Q355D无缝管、GB9948无缝钢管、Q345B无缝管、Q355D角钢、Q355D槽钢、不等边角钢、Q355C等边角钢、20G高压锅炉管
- 主营：锌锭、锡板、锡箔、拉丝紫铜板、锌箔、锌卷、镁锭、锡锭、铝棒、铝管、铝合金管、合金铝管、厚壁铝管、镀铜铜排、镀锡铜排、导电铜条、异形铜排、定尺铜排、铜排模具、环保铜排、机房铜排、软态铜排、电气铜排、水冷铜排、汇流铜排
- 主营：无缝方管、焊管、角钢、紫铜板、槽钢、工字钢、H型钢、扁钢、镀锌管、螺旋管、异型管、无缝钢管、镀锌花纹板、镀锌扁钢、T型钢、镀锌H型钢、镀锌角钢、镀锌槽钢、镀锌C型钢、热镀锌钢管、Q355E无缝钢管、Q355D等边角钢、Q235B焊管、锌镁铝板、大无缝钢管厂、Q355D方管