Low Temperature Lead Solder Paste for SMT Welding Exothermic Welding Powder
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| Customization: | Available |
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| Type: | Solder Paste |
| Material: | Tin |
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Basic Info.
- Model NO.
- SAC305
- Flux Containing
- Containing Flux
- Slag Characteristic
- Alkaline
- Extended Length
- 10-20mm
- Package
- 100g
- Brand Name
- Zhongshi
- Melting Point
- 217℃
- Cetifacation
- ISO9001, CE
- Customized Support
- OEM, ODM
- Flux Type
- Rol0, Rol1
- Application
- LED, PCB, Precise Instruments, Electronic Componen
- Transport Package
- Customized/Zhongshi
- Specification
- 100gT3, T4/customized
- Trademark
- customized
- Origin
- China
- HS Code
- 3810100000
- Production Capacity
- 6000 Tons
Packaging & Delivery
- Package Size
- 34.80cm * 26.50cm * 17.50cm
- Package Gross Weight
- 10.000kg
Product Description
| Name | Tin Lead solder paste |
| Alloy | SAC305 |
| Package | 100g |
| Melting point | 217ºC |
| Particles | 25-45um(custom made) |
| Viscosity | 180±30Pa.S |
| Copper corrosion | Not happen |
Technical parameters
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Alloy Composition
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Sn96.5Ag3.0Cu0.5 |
Sn99Ag0.3Cu0.7 |
Sn42Bi58 |
Sn64Bi35Ag1 |
Sn63Pb37 |
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Melting Point |
217°C |
219°C |
138°C |
139°C |
183°C |
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Powder Specification |
25-45mm |
25-45mm |
25-45mm |
25-45mm |
20-38mm |
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Flux Content |
9.0%-9.5% |
9.0%-9.5% |
9.0%-9.5% |
9.0%-9.5% |
9.0%-9.5% |
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Viscosity |
190pa.s-210pa.s |
190pa.s-210pa.s |
190pa.s-210pa.s |
190pa.s-210pa.s |
190pa.s-210pa.s |
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Solder ball Test |
Qualified |
Qualified |
Qualified |
Qualified |
Qualified |
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Expansion Rate |
Qualified |
Qualified |
Qualified |
Qualified |
Qualified |
SAC305 Solder Paste is a high-performance, lead-free solder paste composed of 96.5% tin (Sn), 3.0% silver (Ag), and 0.5% copper (Cu). This alloy is renowned for its excellent soldering properties and mechanical strength, with a melting range between 217°C and 221°C (423°F and 430°F). It is specifically designed for surface mount technology (SMT), reflow soldering, and other demanding electronic assembly applications.
The addition of silver and copper enhances thermal and electrical conductivity, while also providing better mechanical strength and resistance to thermal fatigue. This ensures durable connections that can withstand the rigors of high-temperature cycling and mechanical stress.
SAC305 offers a balanced composition that optimizes performance and reliability in a wide range of applications.
Our product comes in white cans, with a default weight of 500 grams, customizable to meet specific customer needs. Each can is labeled with essential details including the product model, alloy composition, batch number, and weight. Additionally, the solder paste label provides concise instructions for use, along with safety and health guidelines. "ZS.HX Zhongshi" is the proud registered trademark of our company.
Enhance your assembly efficiency with a paste that offers reduced voiding and strong, durable joints. Ideal for high-density PCBs, our solder paste maintains its integrity under rigorous conditions, ensuring that each application is precise and dependable.
For enhanced storage stability, store the solder paste in a cool environment at 5 ºC. When kept at room temperature of 25 ºC or in a controlled setting of 35 ºC, monitor the viscosity periodically over 180 days at 25 ºC and 90 days at 35 ºC, ensuring the increase in viscosity remains below 10%.
Regarding continuous printing stability, maintain the same solder paste for 8 hours of printing and assess the viscosity using a steel net. Continue this process after storage and repeat for 3 consecutive days. Consistent viscosity is confirmed after three days of ongoing printing.
Lead-free solder wire
Tin-lead solder wireSolder bar
Our products are compliant with ROHS and REACH standards, having undergone rigorous testing and certification. With every order, we provide a corresponding SGS certificate along with a material safety data sheet. For further details on this product's MSDS, our sales team is available to assist you.
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. We'll 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.
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