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Tin Solder 35% Pb65Sn35 Sn35 with Resin Core in Reels 100gr 200gr 250gr 400gr and Dia 0.8mm and 2.0mm for SMDs is the definitive choice for professionals seeking a reliable, versatile, and cost-effective soldering solution. Whether you are populating a high-density PCB with the Tin Solder Sn35 0.8mm or reinforcing heavy connections with the Tin Solder Sn35 2.0mm, XF SOLDER has the quality and packaging to meet your needs.
Choose your required weight—be it the Tin Solder Sn35 100gr, 200gr, 250gr, or 400gr—and experience the difference that premium manufacturing makes.
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Welcome to XF SOLDER, a premier Chinese manufacturer and global exporter of high-quality soldering materials. With years of specialized experience in metallurgy and electronics assembly, we pride ourselves on delivering precision-engineered soldering products that meet the rigorous demands of modern manufacturing. Our latest offering, the Tin Solder Pb65Sn35 with Resin Core, represents the pinnacle of reliability and performance for both industrial and hobbyist applications. Available in a versatile range of spool sizes and diameters, this product is designed to streamline your production line and enhance the integrity of every solder joint.
The Tin Solder Pb65Sn35 (often referred to as Sn35 or 35/65 solder) is a high-quality, lead-based alloy specifically formulated for general-purpose electronics assembly and repair. Its composition—65% Lead and 35% Tin—provides a unique balance of a lower melting point and excellent wetting characteristics, making it a favorite among professionals working with through-hole components and surface-mount devices (SMDs). The inclusion of a high-activity Resin Core ensures that oxidation is effectively removed during the soldering process, resulting in bright, shiny, and mechanically strong joints.
XF SOLDER understands that one size does not fit all. Therefore, we are proud to supply the Tin Solder Sn35 for SMDs and through-hole components in a comprehensive range of packaging options. Whether you require a small spool for prototype development or bulk reels for high-volume manufacturing, we have a solution for you.
Our solder wire is manufactured using 99.99% pure virgin Tin and Lead, ensuring minimal impurities. The Tin Solder 35% content is critical for achieving a eutectic-like performance, offering a melting range of approximately 183°C to 190°C. This narrow plastic range allows for rapid solidification, reducing the risk of "cold" solder joints and component movement during the cooling phase. The Tin Solder Pb65Sn35 alloy is renowned for its excellent ductility and thermal fatigue resistance, making it ideal for applications subjected to moderate temperature cycling.
The flux core is not merely an add-on; it is an integral part of the soldering process. The Resin Core is formulated with a non-corrosive, halide-free activator that becomes highly active at soldering temperatures. It cleans the base metals instantly, promotes superior wetting, and leaves a minimal, non-conductive residue that is safe to leave on the board in most non-critical applications. This feature is particularly important when using the Tin Solder Sn35 0.8mm for fine-pitch SMD work, where excess residue can be difficult to clean.
We offer this solder wire in two distinct diameters to cater to different application requirements:
Tin Solder Sn35 0.8mm: This fine diameter is specifically engineered for precision work. It is perfect for soldering surface-mount devices (SMDs), fine-pitch ICs, and densely populated PCBs. The fine wire allows for precise control over the amount of solder deposited, preventing bridging and excess build-up.
Tin Solder Sn35 2.0mm: This thicker diameter is designed for high-speed, high-volume soldering of through-hole components, large terminals, and chassis grounds. It delivers a high deposition rate, significantly speeding up the assembly process and ensuring strong mechanical bonds.
We recognize that different projects require different quantities. XF SOLDER offers the Tin Solder Sn35 in four convenient spool weights, ensuring you only purchase what you need:
Tin Solder Sn35 100gr: Ideal for small workshops, prototyping, and occasional repairs.
Tin Solder Sn35 200gr: A balanced option for medium-scale production and service technicians.
Tin Solder Sn35 250gr: Perfect for maintenance departments and assembly lines with moderate consumption.
Tin Solder Sn35 400gr: The most economical choice for high-volume manufacturing, reducing the frequency of spool changes and maximizing uptime.
The Tin Solder Pb65Sn35 with Resin Core combination ensures that the solder flows smoothly and quickly, filling vias and wetting pads effectively. The flux activation is timed perfectly with the melting of the alloy, ensuring that the oxides are removed just before the solder bridges the gap. This results in a flawless fillet shape and a bright, metallic finish that is visually indicative of a high-quality joint.
All reels of Tin Solder Sn35 are wound on non-deformable plastic reels that prevent tangling and ensure a smooth feed through soldering irons and automated soldering equipment. The spools are vacuum-sealed with a desiccant to prevent oxidation of the wire and flux degradation during storage. This careful packaging guarantees that the Tin Solder Sn35 400gr reel you open today will perform exactly as well as the first meter of wire you used.
While this is a lead-based solder, XF SOLDER ensures that all manufacturing processes adhere to the strictest environmental and workplace safety standards. Our Tin Solder 35% products are RoHS exempted for specific industrial applications where lead-free alternatives do not meet the reliability standards required. We provide full Material Safety Data Sheets (MSDS) and Certificates of Analysis with every shipment.
The versatility of the Tin Solder Sn35 for SMDs and through-hole components makes it a staple in various industries:
Consumer Electronics: Assembly of TVs, smartphones, and home appliances.
Automotive Electronics: Sensor manufacturing, control units, and lighting systems.
Industrial Controls: PLCs, power supplies, and motor drives.
Aerospace and Defense: High-reliability systems where joint integrity is paramount.
DIY and Hobbyist: Model railroading, audio equipment, and general repairs.
For SMD applications, the Tin Solder Sn35 0.8mm is indispensable. It allows the operator to drag-solder fine-pitch leads without creating bridges, while the resin core ensures that the paste-like flux cleans even the most stubborn oxidized pads. For larger applications, the Tin Solder Sn35 2.0mm provides the necessary thermal mass to solder heavy gauge wires and large connectors efficiently.
Here are the five most common questions we receive regarding our Tin Solder Pb65Sn35 product line. This section is designed to clarify technical and logistical aspects of our offering.
Q1: What is the exact melting point of the Tin Solder Pb65Sn35 alloy?
A1: The Tin Solder Pb65Sn35 (35% Tin, 65% Lead) has a melting range, not a single melting point. It begins to melt at approximately 183°C (361°F) and becomes fully liquid at around 190°C (374°F). This "pasty" range is beneficial because it allows the operator to manipulate the component slightly before the solder solidifies, ensuring perfect alignment. For the Tin Solder Sn35 for SMDs, we recommend setting your soldering iron to approximately 320°C to 350°C to ensure rapid heat transfer and proper flux activation without damaging the sensitive components or the PCB pads.
Q2: Can I use the Tin Solder Sn35 0.8mm and 2.0mm for the same PCB?
A2: Absolutely. Many of our clients purchase both diameters to cover their entire production spectrum. The Tin Solder Sn35 0.8mm is best used for the intricate work: SMD capacitors, resistors, and microcontrollers. The Tin Solder Sn35 2.0mm is reserved for heavy-duty connections like power supply connectors, large relays, and grounding lugs. Using the correct diameter for the task not only speeds up the process but also reduces waste and improves the aesthetic quality of the joint. Both variants are available in the Tin Solder Sn35 100gr, Tin Solder Sn35 200gr, Tin Solder Sn35 250gr, and Tin Solder Sn35 400gr spools.
Q3: How do I choose between the 100gr, 200gr, 250gr, and 400gr spools?
A3: This depends entirely on your consumption rate and ergonomic preferences. For hand-soldering stations, smaller spools like the Tin Solder Sn35 100gr or Tin Solder Sn35 200gr are lighter and easier to handle, reducing operator fatigue. For automated wave soldering or selective soldering machines where the wire is fed mechanically, the larger reels such as the Tin Solder Sn35 250gr or Tin Solder Sn35 400gr are more economical as they reduce downtime associated with spool changes. XF SOLDER offers this flexibility to ensure you have the right packaging for your specific workflow.
Q4: Is the resin core compatible with a no-clean production process?
A4: Yes. The resin core in our Tin Solder Pb65Sn35 with Resin Core is engineered to be 'no-clean' for most standard applications. It leaves a transparent, non-ionic residue that is safe to leave on the assembly under normal operating conditions. However, for ultra-high-impedance circuits or sensitive RF applications, we recommend cleaning the residue using a standard saponifier or isopropyl alcohol. The residue is easily removed if required, ensuring that the Tin Solder Sn35 for SMDs provides both superior performance and excellent post-solder cleanliness.
Q5: What are the storage recommendations for the Tin Solder Sn35 reels?
A5: To maintain the efficacy of the Tin Solder Pb65Sn35 with Resin Core, it is crucial to store the reels in a clean, dry environment. The recommended storage temperature is between 10°C and 30°C with a relative humidity of less than 60%. While our reels are vacuum-sealed, once opened, the resin core can absorb moisture, which may lead to spattering during soldering. We recommend using a dehumidifying cabinet for opened spools, especially in humid climates. XF SOLDER ensures that all packaging for the Tin Solder Sn35 400gr and other weights is robust enough to withstand standard shipping conditions, but proper storage is key to maximizing shelf life and performance.
As a dedicated factory and exporter, XF SOLDER offers distinct advantages over trading companies:
Quality Control: We control every step of the manufacturing process, from alloying to spooling. This ensures consistent quality across every gram of Tin Solder 35% we produce.
Customization: While we offer standard sizes, we can also customize the wire diameter, flux percentage, and spool weight upon request for bulk orders.
Cost-Effectiveness: By purchasing directly from the source, you eliminate middlemen markups, ensuring you get the best value for the Tin Solder Pb65Sn35.
Reliable Logistics: We have extensive experience in international shipping. We package the Tin Solder Sn35 0.8mm and 2.0mm reels securely to prevent damage during transit, ensuring they arrive in perfect condition.
Technical Support: Our team of metallurgists and application engineers is ready to assist you with any soldering challenges you might face.
The Tin Solder 35% Pb65Sn35 Sn35 with Resin Core in Reels 100gr 200gr 250gr 400gr and Dia 0.8mm and 2.0mm for SMDs is the definitive choice for professionals seeking a reliable, versatile, and cost-effective soldering solution. Whether you are populating a high-density PCB with the Tin Solder Sn35 0.8mm or reinforcing heavy connections with the Tin Solder Sn35 2.0mm, XF SOLDER has the quality and packaging to meet your needs.
Choose your required weight—be it the Tin Solder Sn35 100gr, 200gr, 250gr, or 400gr—and experience the difference that premium manufacturing makes.
Ready to place your order or request a sample? Contact XF SOLDER today. Our sales team is available to provide technical data sheets, price quotations, and shipping estimates. Partner with a Chinese manufacturing leader and ensure the quality of your solder joints for years to come.
Contact information:
Email: xfsolder@163.com or xfsolder@gmail.com
WhatsApp/Wechat: +8613450770997
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