Relife RL-421-OR Lead-free Halogen-free Solder Paste Special Flux for Maintenance Solder Tools Safety Environmental Protection

Relife RL-421

The RELIFE RL-421-OR Lead-Free Halogen-Free Solder Paste is a high-performance, eco-friendly soldering solution designed for precision electronics repair and maintenance tasks. With its advanced formulation, this solder paste ensures strong adhesion, minimal residue, and excellent thermal stability — all while prioritizing environmental protection. It is ideal for professional repair technicians, electronics engineers, and hobbyists working with delicate components such as PCBs, BGA chips, CPUs, and mobile phone circuits.

Key Features

1. Lead-Free Formulation
   The RELIFE RL-421-OR is formulated without lead, ensuring compliance with RoHS (Restriction of Hazardous Substances) regulations. This makes it a safer option for both users and the environment while maintaining exceptional soldering performance.

2. Halogen-Free Design
   By eliminating halogens from its formulation, the RL-421-OR minimizes toxic emissions during soldering. This eco-friendly approach aligns with modern environmental standards and reduces the risk of harmful chemical exposure.

3. Enhanced Wetting and Flow Properties
   The RL-421-OR features superior wetting capabilities, ensuring smooth and even solder distribution. This minimizes common soldering defects such as solder balls, cold joints, and bridging, resulting in stronger and more reliable connections.

4. Minimal Residue and Easy Cleaning
   The RL-421-OR leaves behind minimal, non-corrosive residue. Any remaining flux can be easily cleaned with standard PCB cleaning solutions or isopropyl alcohol for a professional, polished finish.

5. Excellent Thermal Stability
   Engineered to withstand high temperatures, this solder paste maintains its consistency and performance during prolonged soldering sessions, ensuring strong solder joints in demanding repair environments.

6. Optimal Viscosity for Precision Application
   The RL-421-OR’s carefully balanced viscosity allows for precise application, making it perfect for delicate electronics such as BGA reballing, IC soldering, and intricate PCB repairs.

7. Safe for Sensitive Components
   The non-corrosive and non-conductive nature of this solder paste makes it safe for use on complex circuits, minimizing the risk of component damage during repairs.

Technical Specifications

• Product Name: RELIFE RL-421-OR Lead-Free Halogen-Free Solder Paste
• Weight: 100g
• Composition: Lead-free, halogen-free, rosin-based
• Residue Type: Minimal, non-conductive, and non-corrosive
• Melting Point: 217°C – 227°C
• Working Temperature Range: 200°C – 480°C
• Shelf Life: 12 months (store in a cool, dry place)

Advantages of Using RELIFE RL-421-OR Solder Paste

• Eco-Friendly and Safe: Its lead-free, halogen-free design ensures a healthier work environment while reducing environmental impact.
• Stronger Solder Joints: Provides excellent bonding strength, enhancing the durability and performance of soldered connections.
• Enhanced Reliability: The paste’s stable viscosity and precise flow ensure consistent, high-quality results for professional repair work.
• Reduced Cleanup Effort: Minimal residue ensures less post-soldering cleaning, improving overall efficiency.
• Versatile Applications: Ideal for various electronic repair and maintenance tasks across industries.

Application Instructions

To achieve optimal results using the RELIFE RL-421-OR Lead-Free Halogen-Free Solder Paste, follow these steps:

1. Preparation:

   • Clean the PCB or soldering area thoroughly to remove dust, oxidation, or debris.
   • Ensure the working surface is dry and free of contaminants.

2. Application:

   • Use a precision syringe, stencil, or spatula to apply the RL-421-OR solder paste to the designated solder points.
   • Apply the paste sparingly for optimal bonding and minimal residue.

3. Soldering Process:

   • For best results, use a hot air station, reflow oven, or soldering iron set to the recommended temperature range (200°C – 480°C).
   • Monitor the solder flow and ensure even distribution for robust solder joints.

4. Cleaning:

   • After soldering, clean any remaining flux residue with isopropyl alcohol or a suitable PCB cleaning agent.
   • Use a soft brush or lint-free cloth for precise cleaning.

Ideal Applications

The RELIFE RL-421-OR Solder Paste is perfect for various precision soldering tasks, including:

✅ PCB Assembly and Repair: Ensures secure and long-lasting solder joints for electronic circuits.
✅ IC and BGA Reballing: Ideal for bonding intricate chip connections with precision.
✅ Mobile Phone and Tablet Maintenance: Used for baseband repairs, CPU reflow, and touch IC soldering.
✅ Laptop and Computer Repair: Ensures reliable connections in CPU and GPU reflow tasks.
✅ Gaming Console Repairs: Perfect for precision soldering in devices such as PlayStation, Xbox, and Nintendo consoles.

Storage and Handling

• Store the RL-421-OR solder paste in a cool, dry place to maintain its chemical stability and performance.
• Avoid exposure to direct sunlight and extreme temperatures.
• Ensure the paste is sealed properly after each use to prevent drying or contamination.
• For extended storage, refrigeration is recommended to preserve optimal consistency.

Safety Precautions

• Use the RL-421-OR solder paste in a well-ventilated area to minimize exposure to fumes.
• Wear protective gloves and safety goggles to avoid direct contact with the skin or eyes.
• Keep the solder paste out of reach of children and store it securely.

Package Contents

• 1 x RELIFE RL-421-OR Lead-Free Halogen-Free Solder Paste (100g Jar)

Why Choose the RELIFE RL-421-OR Solder Paste?

The RELIFE RL-421-OR Lead-Free Halogen-Free Solder Paste combines exceptional performance with environmental responsibility. Its advanced formulation delivers reliable solder joints, enhanced durability, and minimal residue — all while ensuring user safety and environmental protection.

Whether you are a professional repair technician handling complex PCB repairs or an electronics enthusiast working on DIY projects, the RL-421-OR offers precision, strength, and eco-friendly performance. For consistent, high-quality results in modern electronic repair, RELIFE RL-421-OR is the ideal choice.

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