Copper Coated Wire MIG Solder Wire

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We stick to our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We aim to create more value for our customers with our rich resources, advanced machinery, experienced workers and excellent services for Copper Coated Wire MIG Solder Wire, The product will supply to all over the world, such as: Jamaica, Swiss, Norwegian, Our production have been exported to more than 30 countries and regions as first hand source with lowest price. We sincerely welcome customers from both at home and abroad to come to negotiate business with us.
Guangdong Zhongshi Metals Co., Ltd. Diamond / Audited Supplier
Founded in 1999, high-tech enterprises, designated supplier of welding materials for national aerospace and military industries. registered capital 22 million, has passed the ISO9001, ISO14001 and QC080000 certification. Main products are solder paste, solder wire, solder bar, annual production capacity more than 6000 tons.

Product Specification

Name Lead-free solder wire
Ingredient Sn99Ag0.3Cu0.7
Diameter 0.2MM – 3.0MM(custom made)
Package 500g/Roll(custom made)
Melting point 217-221ºC
Rosin 1.8% – 2.2%(custom made)
Operating temperature 380±20ºC

Product Parameters

Type Ingredient (WT%) Melting point(ºC) Density
Use Work(ºC)
Lead products
Sn63Pb37 183 8.4 Suitable for demanding circuit boards, such as: high-precision instruments, electronics industry, micro-technology, aviation industry and other products welding 340±20
Sn60Pb40 183-190 8.5 340±20
Sn55Pb45 183-203 8.7 350±20
Sn50Pb50 183-215 8.9 Applicable to the requirements of ordinary circuit boards, such as: home appliances, electrical instrumentation, automotive electronics, hardware products and other products welding 350±20
Sn45Pb55 183-227 9.1 360±20
Sn40Pb60 183-238 9.3 370±20
Sn35Pb65 183-248 9.5 370±20
Sn30Pb70 183-258 9.7 Suitable for relatively low requirements of the circuit board, such as: hardware equipment, automotive water tank lighting bulbs, cable connectors and other products welding 380±20
Sn25Pb75 183-266 9.9 400±20
Sn20Pb80 183-279 10.1 420±20
Lead-free products Sn99.7Cu0.3 227 7.4 Applicable to high-end electronic products, export quality of electronic, electrical industrial products 380±20
Sn99Ag0.3Cu0.7 217-221 7.37 380±20
Sn96.5Ag3.0Cu0.5 217-221 7.37 380±20
Sn95Sb5 245 7.39 Suitable for welding, need to pass high pressure test or aging test under high temperature 380±20
Sn99.95 232 7.41 Applicable to all kinds of circuit board plating and used in tin furnaces with excessive copper to reduce copper content 285±10
Sn42Bi58 138 8.5 Thermal fuses for thermal fuses, thermal protectors, thermal fuses 230±20

Related Products
Lead-free solder wire

Tin-lead solder wire

Solder paste

Solder bar

Other solder products

Company certification
Our products have passed ROSH and REACH testing and certification.Each order can be accompanied by a batch of SGS certificate,material safely data sheet.The MSDS of this product can be obtained from our sales staff.

Company Exhibition


Q1: Are you Manufacturer or Trading company?
A: We are a manufacturer with 20 years experience in the production of solder wire,solder bar,solder paste and many other solder materials.

Q2: How Do We Place an Order?
A:Please send Email or WeChat with us Via TM, MSN, Skype, and let us know your requirements on type, quantities. We will reply you with Proforma Invoice based on your order request. Kindly check the PI and If everything is OK, We will delivery the goods for you ASAP. After got your payment .

Q3:Do you accept OEM orders?
A:Yes, of course. But we have quantity requirement, pls feel free to contact our salesman for details.

Q4:What is your advantage?
A:Manufacturers for better prices, good quality and reputation, professional sales services.

Q5:Can you offer the free sample for testing?
A:Yes,we can offer free sample for testing, but the freight cost should be paid by customer side. 

Q6:How to store and How long is the warranty period?
A:Stored in a cool, dry, non-corrosive environment. Product warranty period of 1 year. 

Q7:What is your terms of payment?
A:T/T 30% as deposit, and 70% before delivery. Well show you the photos of the products and packages.

Q8:What about the delivery time?
A:Usually 2-3 days for samples and 5-7 days for bulk orders. 

Q9:Can we visit your company/factory before place the order?
A:Yes. Welcome anytime.