Alpha
0 ratings
WS-820 Lead Free Water-Soluble Solder Paste, SAC305, 87.5-4-M18, 600g Cartridge
genuine image
WS-820 Lead Free Water-Soluble Solder Paste, SAC305, 87.5-4-M18, 600g Cartridge
Lead Free Water-Soluble Solder Paste for superior performance.
WS-820 Lead Free Water-Soluble Solder Paste, SAC305, 87.5-4-M18, 600g Cartridge
Item #: 88451583

WS-820 Lead Free Water-Soluble Solder Paste, SAC305, 87.5-4-M18, 600g Cartridge

85% of respondents would recommend this to a friend

Item #: 88451583

XCD 703

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Thursday, September 24
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Lead Free Water-Soluble Solder Paste for superior performance.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Lead-Free Formula
Composed of high-quality SAC305, the solder paste ensures safety and compliance with health regulations, making it an ideal choice for eco-conscious users seeking reliable and effective soldering solutions.
Water-Soluble Technology
This solder paste offers easy cleanup with water-soluble properties, significantly reducing post-soldering maintenance time and enhancing efficiency for users in busy workshops or manufacturing environments.
High Viscosity
The WS-820 features a unique viscosity tailored for precision application, providing enhanced control during soldering tasks, thereby improving the overall quality and reliability of solder joints for electronic components.

Product Details

Shop WS-820 Lead Free Water-Soluble Solder Paste, SAC305, 87.5-4-M18, 600g Cartridge online at a best price in Saint Kitts and Nevis. B072XXSWPB

Who Should Buy?

Suitable For
  • Electronics Hobbyists

    Ideal for DIY electronics projects where users need reliable solder for circuit board assembly and repairs.

  • Professional Technicians

    Great for technicians requiring high-quality solder paste for rework and assembly in electronics manufacturing.

  • Lead-Free Requirements

    Perfect for companies that follow regulations demanding lead-free soldering solutions in their manufacturing processes.

Not Suitable For
  • Beginners

    Not suitable for beginners due to complexities in application and a need for soldering expertise.

Product Description

WS-820 Lead Free Water-Soluble Solder Paste, SAC305, 87.5-4-M18, 600g Cartridge

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is WS-820 Lead Free Water-Soluble Solder Paste used for?

    Answer: WS-820 Lead Free Water-Soluble Solder Paste is primarily used in electronics manufacturing for soldering components onto printed circuit boards (PCBs). Its formulation, SAC305, provides excellent wetting properties and solder joint reliability while being free of lead, making it safer for both users and the environment. This solder paste is suitable for various soldering techniques, including hand soldering and reflow soldering. For instance, hobbyists or professionals working on custom electronics projects can utilize this paste to ensure efficient and secure connections without the risks associated with lead-based solders.
  • Question: What are the key features of WS-820 solder paste?

    Answer: The WS-820 solder paste boasts several key features, including a lead-free formulation, water-soluble flux, and high thermal stability. It ensures minimal residue after soldering, which makes cleaning straightforward, especially important for electronic assemblies. Additionally, its excellent flow characteristics allow it to adhere well to various solder joint surfaces. This product is ideal for use in high-frequency and high-temperature applications, making it a favorite among professionals for PCB repair and prototyping.
  • Question: How do you store WS-820 solder paste for best results?

    Answer: To achieve optimal performance with WS-820 solder paste, it should be stored in a cool, dry place at a consistent temperature below 25°C (77°F). Keeping it in an airtight container helps prevent moisture contamination. Before use, allow the paste to reach room temperature, ensuring better flow and application. Ideal storage conditions prolong its shelf life and maintain its effectiveness. For example, a technician might keep an unopened cartridge in a climate-controlled workbench environment to ensure it remains in prime condition for precision soldering tasks.
  • Question: Is the WS-820 solder paste suitable for hand soldering?

    Answer: Yes, WS-820 solder paste is highly suitable for hand soldering applications. Its formulation allows for ease of application, making it user-friendly for hobbyists and professionals alike. The paste can be applied directly onto the PCB pads before placing the components, enabling effective solder joints when heated. For instance, technicians performing manual soldering during repairs or assembly can achieve reliable and neat connections with minimal effort using this paste, enhancing both efficiency and quality.
  • Question: What are the cleaning requirements after using WS-820 solder paste?

    Answer: After using WS-820 solder paste, cleaning is straightforward due to its water-soluble nature. Residues can be easily removed with warm water or a suitable cleaning solution. This cleaning process is essential to prevent corrosion and ensure the longevity of electronic assemblies. For example, after completing soldering on a PCB, a technician can soak the board in warm water for a few minutes, then gently scrub with a soft brush to remove any remaining residues, ensuring optimal performance of the device.
  • Question: Can WS-820 solder paste be used for reflow soldering?

    Answer: Absolutely, WS-820 solder paste is engineered for reflow soldering processes. Its composition allows it to perform well under the heat profiles typically used in reflow ovens, ensuring that it effectively melts and forms strong solder joints. This versatility makes it ideal for mass production of electronic devices, where efficiency and precision are key. For instance, manufacturers of consumer electronics can utilize this solder paste in automated reflow soldering systems to achieve consistent and reliable results across large production runs.
  • Question: What types of electronics projects can benefit from using WS-820 solder paste?

    Answer: WS-820 solder paste is perfect for a wide range of electronics projects, including DIY kits, PCB prototyping, and repairs of consumer electronics. Its lead-free formulation ensures safety and compliance with environmental standards, making it an excellent choice for hobbyists and professionals working on innovative designs. For example, an electronics enthusiast working on a custom audio amplifier can achieve quality solder joints using this solder paste, ensuring both performance and adherence to safety regulations.
  • Question: What is the significance of the SAC305 composition in WS-820 solder paste?

    Answer: SAC305 signifies the alloy composition of the solder paste, which consists of 96.5% tin, 3% silver, and 0.5% copper. This combination enhances the mechanical strength and thermal stability of solder joints, making it ideal for a variety of electronic applications. The silver content contributes to better wetting properties and improves the overall performance of solder joints, particularly in high-temperature conditions. For example, in high-power electronics, the SAC305 composition helps ensure durable connections that can withstand thermal fluctuations.
  • Question: Where can I buy WS-820 Lead Free Water-Soluble Solder Paste, SAC305, 87.5-4-M18, 600g Cartridge?

    Answer: You can buy WS-820 Lead Free Water-Soluble Solder Paste, SAC305, 87.5-4-M18, 600g Cartridge from Ubuy in Saint Kitts and Nevis. Ubuy offers a convenient online platform where you can easily find this product, along with other electronic supply materials. This retailer provides detailed product information, user reviews, and reliable customer service, making it an excellent choice for your solder paste needs.
  • Question: What safety measures should be taken when using WS-820 solder paste?

    Answer: When using WS-820 solder paste, it's important to follow basic safety measures. Always work in a well-ventilated area to avoid inhaling any fumes generated during the soldering process. It is also recommended to wear safety goggles to protect your eyes from any flying debris and gloves to avoid skin contact with the paste. For instance, a technician soldering circuit boards should prioritize safety gear to ensure a safe working environment, particularly in professional settings where exposure risks are heightened.

Alpha Solder Editorial Review

No editorial reviews found

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9300 + reviews
Read reviews
JG
Jazz
Verified buyer

“Easy to use and always helpful and sorts any issues I've had past and present”

1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer

“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”

31 August 2026 · via Trustpilot
F
fnd
Verified buyer

“The delivery was fast and the product came undamaged and authentic.”

29 August 2026 · via Trustpilot
LC
Leana
Verified buyer

“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”

25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer

“Fast, convenient and cheap. Great store!”

27 August 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

XCD 703

Order now and get it around Thursday, September 24

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • High-quality solder paste made with SAC305.
  • Lead-free formulation for safety and environmental compliance.
  • Convenient 600g cartridge for easy application.
  • Ideal for various soldering projects and electronic repairs.
  • Ensure optimal performance with reliable water-soluble properties.
  • Contact the seller for any additional questions or details.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.