When your repair work demands high precision, clean results, and safe materials, the RELIFE RL-428-OR Soldering Paste rises to the challenge. Engineered for professionals who value performance and safety, this advanced solder paste is halogen-free, offers excellent viscosity, strong flux activity, and superior insulation resistance — everything you need for modern electronics soldering and rework. RELIFE RL-428-OR Soldering Paste
RELIFE is a brand trusted by electronics technicians worldwide, and the RL-428-OR model reflects their commitment to innovation, environmental safety, and high-quality repair materials. Designed for both beginners and experienced micro-soldering technicians, this paste provides consistent and clean joints for SMD, BGA, and high-density circuit board work.
Key Features:
🔧 Halogen-Free for Safer, Cleaner Repairs
The RL-428-OR paste is 100% halogen-free, making it an environmentally friendly and health-conscious option. It eliminates the risk of halogen-induced corrosion or toxic fumes during soldering, aligning with modern safety standards like RoHS and REACH. It’s a perfect choice for technicians who prioritize clean working conditions and product longevity. RELIFE RL-428-OR Soldering Paste
⚡ High Activity Flux for Strong Wetting
With powerful fluxing action, this solder paste ensures quick and effective oxide removal from metal surfaces, allowing for strong wetting and excellent bond formation. The result? Shiny, robust, and highly conductive solder joints — even on aged or mildly oxidized pads. RELIFE RL-428-OR Soldering Paste
💧 Excellent Viscosity – Easy Application
The paste’s well-balanced viscosity ensures easy handling during both manual and stencil application. Whether you’re applying it with a spatula, syringe, or stencil printer, the RL-428-OR flows smoothly and stays in place without spreading uncontrollably. Its non-drying formula resists clumping or separation, making it ideal for precision work.
🔌 Superior Insulation Resistance
Even after soldering, the flux residue from RL-428-OR provides outstanding insulation resistance. This prevents unwanted current leakage or short-circuiting, making the paste reliable for mission-critical and long-term electronic assemblies.
🧪 Stable Composition – Consistent Results
With a fine metal particle blend and stable flux medium, this solder paste offers consistent performance across multiple reflow cycles. It resists slump and spatter under heat, minimizing defects like bridging, voids, and cold joints.
Specifications:
Brand: RELIFE
Model: RL-428-OR
Weight: 100g
Composition: Halogen-Free, Lead-Free
Flux Type: High Activity, No-Clean
Melting Point: Approx. 183°C (standard for Sn-based alloys)
Viscosity: Optimized for manual or stencil application
Residue: Minimal, non-corrosive, and non-conductive
Storage: 0–10°C (Refrigeration recommended)
Shelf Life: Up to 6 months when stored properly
Color: Grayish paste
Packaging: Sealed screw-cap container
Applications:
📱 Mobile Phone Logic Board Repair
Perfect for working on advanced mobile devices such as iPhones, Samsung Galaxy, Huawei, and other high-density logic boards. The low-residue and low-risk formula protects surrounding ICs during rework. RELIFE RL-428-OR Soldering Paste
💻 Laptop and Desktop PCB Rework
Great for replacing small SMD components, reflowing broken solder joints, or installing new chipsets on laptop motherboards and graphics cards. RELIFE RL-428-OR Soldering Paste
🧩 BGA and SMD Component Reballing
The RL-428-OR excels in reballing and resoldering BGA and fine-pitch SMD packages. It ensures uniform solder ball formation, strong pad adhesion, and clean results with minimal bridging. RELIFE RL-428-OR Soldering Paste
⌚ Wearables and Compact Devices
From smartwatches to earbuds and micro-controllers, this solder paste is ideal for soldering in tight spaces without compromising performance or safety. RELIFE RL-428-OR Soldering Paste
🛠️ DIY Electronics, Robotics, and Hobbyist Projects
Hobbyists working on Arduino, Raspberry Pi, custom PCBs, or drone circuits will appreciate the ease of use and professional results offered by the RL-428-OR paste. RELIFE RL-428-OR Soldering Paste
How to Use:
Prepare the Surface
Clean all PCB pads and component leads using isopropyl alcohol to remove grease, dust, or oxidation. Proper preparation improves wetting and joint strength.
Apply the Paste
Dispense a small amount onto each pad using a spatula, fine-tipped dispenser, or stencil. Ensure even application without overflow.
Heat & Reflow
Use a hot air rework station or reflow oven. Set your peak temperature around 220°C to 240°C. Distribute heat evenly until the solder flows and forms strong joints.
Cool and Inspect
Let the board cool naturally. Use magnification to check for clean, shiny joints and correct component alignment.
Post-Reflow Cleanup (Optional)
Due to its no-clean formulation, post-solder cleaning is typically unnecessary. If desired, use a flux cleaner for aesthetic purposes.
Storage and Handling Tips:
Keep Cool: Store between 0–10°C to maintain optimal viscosity and chemical stability.
Avoid Freezing: Do not freeze the solder paste as it may alter its flux and metal structure.
Reseal Properly: Always seal the container tightly after use to prevent drying or contamination.
Stir Before Use: Gently stir the paste if it has been sitting for a while to restore consistency.
Why Choose RELIFE RL-428-OR?
The RELIFE RL-428-OR Soldering Paste is more than just a repair material — it’s a solution designed to meet the needs of modern electronics repair professionals. With its halogen-free formula, powerful flux activity, optimal viscosity, and safe post-soldering insulation, it offers everything you need for clean, reliable, and efficient soldering.
Whether you’re reballing a BGA chip, soldering micro-components under a microscope, or performing precision repairs on cutting-edge tech, the RL-428-OR provides the performance, safety, and reliability you can count on.
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