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Silver-Coated Copper Flakes

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CAS No.:

7440-50-8

Grade:

Industrial Grade

Content:

70%

Port:

Shanghai

Brand:

Entrepreneur

Packaging:

1kg /bag, 25kg/drum

Price valid (until):

2024-02-29

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Beijing Entrepreneur Science & Trading Co., Ltd.

Company Type:

Trader

Location:

China

Qualification:

Main Products:

Flavor & Fragrance Ingredients,Plasticizer,API,Pharmaceutical Intermediates,Thermal Powder,Plant Extract

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Product Description
Seller Information
Inquiry History

Description

Flake silver-coated copper powder is a unique type of powder consisting of copper particles that are coated with a layer of silver. This coating process provides the powder with enhanced properties and versatile applications.

The flake shape of the powder particles gives it a distinctive appearance and contributes to its desirable properties. The silver coating on the copper particles adds conductivity, corrosion resistance, and improved thermal properties to the powder. This combination of copper and silver makes it suitable for various applications that require excellent electrical conductivity and thermal performance.

Flake silver-coated copper powder finds wide application in industries such as electronics, automotive, aerospace, and renewable energy. It is commonly used in conductive coatings, printed circuit boards (PCBs), electromagnetic shielding, and as an additive in various electrical and electronic devices. The high conductivity and thermal properties of the powder make it valuable in improving the performance and reliability of electronic components and systems.

Furthermore, the flake silver-coated copper powder offers excellent solderability, allowing it to be easily integrated into soldering processes for efficient and reliable connections.

Overall, the flake silver-coated copper powder combines the conductivity of copper and the benefits of silver coating, making it a valuable material in various advanced applications that require electrical conductivity, thermal management, and corrosion resistance.

Features

1. Enhanced conductivity: The silver coating on the copper particles significantly improves the electrical conductivity of the powder. It allows for efficient transfer of electrical current, making it ideal for applications that require high conductivity.

2. Improved thermal properties: The silver coating also enhances the thermal conductivity of the copper powder, enabling efficient heat dissipation. This feature makes it suitable for applications that involve heat management or thermal conductivity requirements.

3. Corrosion resistance: The silver coating provides a protective layer that helps prevent corrosion of the underlying copper particles. This feature enhances the powder's durability and ensures long-term performance in challenging environments.

4. Solderability: The flake silver-coated copper powder exhibits excellent solderability, making it easily integrable into soldering processes. This feature enables reliable and efficient connections in electronic assembly and soldering applications.

5. Versatility: The powder's unique flake shape and combination of copper and silver properties make it versatile for various applications. It can be used as a conductive additive in coatings, inks, and adhesives, or as a component in printed circuit boards, electromagnetic shielding, and other electronic devices.

6. Compatibility: Flake silver-coated copper powder is compatible with different substrates and materials commonly used in electronic and electrical applications. It can be easily incorporated into existing manufacturing processes and formulations.

7. Particle size control: The powder is available in different particle sizes, allowing for customization and optimization based on specific application requirements.

Applications

1. Conductive coatings

The powder is used as a conductive additive in coatings and paints, especially those requiring high electrical conductivity. It helps improve the conductivity of the coating, making it suitable for applications such as printed electronics, electromagnetic shielding, and antistatic coatings.

2. Printed circuit boards (PCBs)

Flake silver-coated copper powder is used in the production of PCBs to enhance the conductivity of circuit traces and pads. It allows for reliable electrical connections and efficient signal transmission in electronic devices.

3. Electronic adhesives

The powder is incorporated into conductive adhesives and bonding materials to improve their electrical conductivity. It ensures strong and reliable bonds in electronic component assembly and bonding applications.

4. Electrical contacts

Flake silver-coated copper powder is utilized in the manufacturing of electrical contacts, connectors, and switches. It enables excellent electrical conductivity and helps maintain reliable contact and low resistance over time.

5. Thermal management

Due to its enhanced thermal conductivity, the powder is used in thermal interface materials and heat dissipation applications. It aids in efficient heat transfer, enabling effective cooling of electronic components and systems.

6. Additive manufacturing

The powder can be utilized in additive manufacturing processes, such as 3D printing, to create conductive structures and components. It enables the production of intricate conductive patterns and functional parts with high conductivity.

7. EMI/RFI shielding

Flake silver-coated copper powder is employed in electromagnetic interference (EMI) and radiofrequency interference (RFI) shielding applications. It helps create conductive coatings or materials that block or redirect electromagnetic waves, reducing interference and ensuring signal integrity.

Specifications

Grade	Morphology	Silver content (wt %)	Particle size distribution (um )			Apparent density (g/cm3)	Tap density (g/cm3)	Moisture (%)	Total oxygen content (wt %)
Grade	Morphology	Silver content (wt %)	D10	D50	D90	Apparent density (g/cm3)	Tap density (g/cm3)	Moisture (%)	Total oxygen content (wt %)
PAC-1	Flake	10~30	≥1.2	3.0~3.5	≤6.5	2.0~2.5	3.2~3.6	≤0.2	≤0.2
PAC-2	Flake	10~30	≥2.6	6.5~7.0	≤15.0	2.6~2.9	4.4~4.6	≤0.2	≤0.2
Li-0103	Flake	3	5.5~7.8	26.3~30.5	48.5~51.7	1.25~1.35	2.2~2.44
Li-0105	Flake	5	5.5~7.8	26.3~30.5	48.5~51.7	1.25~1.35	2.2~2.44
Li-0110	Flake	10	5.5~7.8	26.3~30.5	48.5~51.7	1.08~1.2	2.1~2.34

About Packaging

Storage

The product is sealed and packaged according to relevant specifications, and should be stored in a clean, dry place away from sunlight. If the product is not used for a long time after opening, or if it becomes damp due to other factors, it should be dried before use.

Package

1kg /bag, 25kg/drum or as your special request.

Certificates

Basic Info

Product Name:

Copper

Other Name:

Copper;C.I. 77400;C.I. Pigment Metal 2;1721 Gold;Raney copper;Arwood copper;Kafar copper;Copper Powder;CuEP;CuEPP;CE 1110;E 115 (metal);E 115;GE 1110;CE 115;Rame;TTAI;Copper element;TAI (metal);MF-DZ;TAI;CE 7 (metal);M 36.012;Nogac 18;CE 7;NDGAC 35;MD 1 (metal);MF-D2;MD 1;C 100 (metal);C 100;JTC 1OZ;HTE;3EC;DN 02;CE 25;CE 15;TSTO 35;200RL;CE 1100;3L Fire;FCC 115A;BSH (metal);BSH;22BB400;CS-F 150E;1100T;MF-D3;OFHC copper;OFHC;3EC-HTE;R 300 (metal);3EC-III;R 300;CF 78;SPC 4-8;BHY 13T;TUP;MA-CDS;3EC3;CE 8A;SQ-HTE;CuLox 6010;CuLox 6030;BHY 02B-T;SLP;Cu-At-W 250;BHN 02T;SRM394;SRM395;M 330;3EC-VLP;FCC 115;JTC;JTC-LP;JTC-AM;JTCS;SFR-Cu;GTS 35;GTS 35 (metal);CF-T 8;CU-FN 10;115A;Allbri Natural Copper;Silcoat FCC-SP 99;NDGC;YGP 35;TSC 35;SLP 18;DT GLMP;M 330 (metal);R 300A;SQ-VLP;CT 315E;CDX;CDX (metal);FCC-SP 99;Unicoat 2845;DP 3;DP 3 (metal);MFP-CU 125;BHY 22B-T;FX-BSH;100RXH;F 2WS;CU 112;2L3GT;BPF 18;NT-TAX-M;NT-TAX-O;GT;GT (metal);GT-MP;SFR-Cu 5;SFR-Cu 10;Cu-HWQ;MFP 1110;GTS 18;BHY 13HT;F 1WS;HCCD 101;XMCu;GTS 12;Micro Thin;GTS;GTS (element);GT-MP 35;CCL-HL 830;F 3B-WS;BHN;USLP 12;F 0WS;Double Thin F-NP;BAC 13B-NK120;3EC-VEP;FQ-VLP;B152-ETP;UCP 030;EFC 6000;SLP 105WB;CE 6;YB 10;Y 10 (metal);F 3WS18;Y 10;CE 6 (copper);F 2WS18;MC 2;MC 2 (metal);USLP-R 2;N 254Di;FGP;CF-T 9;MA-CD;TSTO;1300YM;XTF;F-CP;SLP 100;3EC-VLP35;BAC 13T;AM-FN;B-WS;3EC-VLP18;FCC 116;TQ-VLP;CF-T 9-18;CF-T 9B-THE;65555-90-0;72514-83-1;133353-46-5;133353-47-6;195161-80-9;1441640-38-5;1993435-25-8;2056901-56-3;2432029-48-4

CAS No.:

7440-50-8

Molecular Formula:

InChIKeys:

InChIKey=RYGMFSIKBFXOCR-UHFFFAOYSA-N

Molecular Weight:

63.54600

Exact Mass:

62.92960

EC Number:

231-159-6

UNII:

789U1901C5

ICSC Number:

0240

UN Number:

3089|3077

DSSTox ID:

DTXSID2023985

NCI Thesaurus Code:

C391

Color/Form:

Reddish, lustrous, ductile, malleable metal|Red metal; cubic

HScode:

7402000090

Categories:

Coating Materials

Characteristics

PSA:

XLogP3:

-0.00250

Appearance:

Reddish lustrous malleable odorless metallic solid.

Density:

8.94 g/cm³

Melting Point:

1083 °C

Boiling Point:

2595 °C

Flash Point:

-23ºC

Water Solubility:

Insoluble

Storage Conditions:

2-8ºC

Vapor Pressure:

0 mmHg (approx)

Toxicity:

LD50 intraperitoneal in mouse: 3500ug/kg

Flammability characteristics:

Noncombustible Solid in bulk form, but powdered form may ignite.

Odor:

Odorless /Copper dusts and mists/

Experimental Properties:

Lustrous, ductile, malleable metal; Mohs' hardness: 3.0; specific resistance: 1.673 microohm/cm; heat of fusion: 48.9 cal/g; heat capacity (solid): 0.092 cal/g/deg C at 20 °C, (liq): 0.112 cal/g/deg C; becomes dull when exposed to air; two naturally occurring isotopes: 63 (69.09%), 65 (30.91%); 9 artificial isotopes|Very slowly attacked by cold hydrochloric acid or dil sulfuric acid; readily by dil nitric acid, and by both not conch sulfuric acid and hydrobromic acid. It is also attacked by acetic acid and other organic acids.|COPPER FORMS TWO SERIES OF SALTS, CU(1+) AND CU(2+) BOTH VALENCE TYPES FORM COMPLEX IONS THAT ARE STABLE.|Ductile, excellent conductor of electricity. Complexing agent, coordination numbers 2 and 4. More resistant to atmospheric corrosion than iron, forming green layer of hydrated basic carbonate. Readily attacked by alkalies. Noncombustible, except as powder.|For more Other Experimental Properties (Complete) data for COPPER, ELEMENTAL (6 total), please visit the HSDB record page.

Air and Water Reactions:

Solid pieces are very slowly oxidized by air to give a green basic carbonate. Solid pieces become covered by a black oxide when heated in air. Insoluble in water.

Reactive Group:

Metals, Less Reactive

Reactivity Profile:

COPPER combines violently with chlorine trifluoride in the presence of carbon [Mellor 2, Supp. 1, 1956]. Is oxidized by sodium peroxide with incandescence [Mellor 2:490-93, 1946-1947]. Forms an unstable acetylide when acetylene is passed over samples that have been heated enough to form an oxide coating. Reacts more rapidly in powdered or granular form. Subject to explosive reaction then mixed in finely divided form with finely divided bromates chlorates and iodates of barium, calcium, magnesium, potassium, sodium, or zinc; these reactions are initiated by heat, percussion, and occasionally light friction [Mellor 2:310, 1946-1947]. A solution of sodium azide in copper pipe with lead joints formed copper azide and lead azide, both of these compounds can detonate [Klotz, 1973].

Flammable Limits:

Noncombustible Solid in bulk form, but powdered form may ignite.

Heat of Vaporization:

1150 cal/g

See More Copper Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

See Chemical Dangers.

See More Copper Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Flavor & Fragrance Ingredients,Plasticizer,API,Pharmaceutical Intermediates,Thermal Powder,Plant Extract

Location:
Room 902, 917, Hua Teng Bei Tang Business Plaza, No.37 Nan Mo Fang Road, Chao Yang District, Bei Jing, China

Payment Terms:
L/C,100% TT in advance

Average lead Time:
5

Total Annual Revenue:
$5 million-$10 million

Total Employees:
11-50

Year of Establishment:
2001

Beijing Entrepreneur Science & Trading Co., Ltd. was established in the year 2001. We are focused on import and export business of high quality specialty chemicals. Since its establishment, relying on diligent efforts, spirit of enterprising and professional services, the company has established extensive cooperation with world-famous chemical manufacturers and gained a good reputation in China chemical industry.
We have stable distribution cooperation with world leading suppliers from America, Europe, Japan and Taiwan. We are distributors of Ames Advantage Material, Novamet, Lanxess, Momentive, Potters, Rhodia, Roquette, Oerlikon Metco, Inovyn, KJ Chemical, Tokuyama, Mitsubishi Chemical, Chang Chun Group, etc.
Our products selling in China include Conductive Powder, Thermal Conductive Powder, Microwave Absorbing Powder, Acrylamide Functional Monomer and Special UV Monomer, Special Epoxy Resin, Mercaptan Curing Agent, Silane, Fumed Silica and Precipitated Silica, PVC Paste Resin, PVA, Carbon Black, Modified Starch, Photocatalyst, Formaldehyde Capture agent, Root Blocking Agent, Platinum Catalyst, Vinyl Silicone Oil, Surfactant, etc
In 2014, the company entered the chemical export business. Based on our understanding of China chemical market, we select most qualified suppliers. We are able to source raw materials directly from factories. Most of our partners are the largest factory in China with over 20 years history. They have huge annual outputs, and hold ISO9001, ISO14001, GMP, KOSHER, HALAL, FDA, GSP, etc. certificates.
Our export products include Conductive Powder, Thermal Conductive Powder, Plant Extract, Inorganic Powder, Plasticizer, PVC Paste Resin, Silane, Flavors and Fragrances, Salen Catalysts and Ligands, Organic Intermediates, Pharmaceutical Intermediates.
We continue to add new product lines and chemical distribution centers to service a wider range of industries.
We hope to become a bridge between China chemical manufacturers and world-wide customers, continue to provide professional products and solutions for customers overseas. We look forward to considerable development in export business of specialty chemicals.
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Inquiry History

17 Inquiries

Country	Product	Purchase Quantity	Date Posted
China	copper	500 MT	Apr 14, 2026
Sweden	Copper Powder	1 MT	Mar 11, 2026
India	copper cathode	250 MT	Feb 10, 2026
India	copper cathode	250 MT	Jan 28, 2026
Kenya	copper cathodes	3500 MT	Jan 7, 2026
India	COPPER CATHODE NON LME 99.99% GRADE A	150 MT	Dec 10, 2025
Philippines	Copper	1 KG	Jul 14, 2023
India	Copper	1 KG	Feb 10, 2026
India	Copper	1 KG	Jan 28, 2026
India	Copper	25 MT	Jun 30, 2025
China	Copper	500 MT	Jan 25, 2024
India	Cu metal	5.00 MT	Aug 9, 2023
Finland	Copper	1000 KG	Oct 15, 2024
India	Copper	5000.00 KG	Feb 7, 2024
Pakistan	Copper	10.00 KG	Dec 15, 2023
Indonesia	copper powder	1 20' Fcl	Aug 2, 2023
India	Cerium	25.00 G	Feb 18, 2025

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Silver-Coated Copper Flakes

Product Description

Seller Information