---
product_id: 617789862
title: "421A Liquid Tin, Tin Plating Solution, 500mL Bottle, Clear Yellow"
brand: "mg chemicals"
price: "€ 342.82"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/617789862-421a-liquid-tin-tin-plating-solution-500ml-bottle-clear-yellow
store_origin: NL
region: Netherlands
---

# Rinsable residues for clean finish High tin concentration, no dilution Tinplates in 7-10 mins 421A Liquid Tin, Tin Plating Solution, 500mL Bottle, Clear Yellow

**Brand:** mg chemicals
**Price:** € 342.82
**Availability:** ✅ In Stock

## Summary

> ⚡ Protect your circuits with speed and precision!

## Quick Answers

- **What is this?** 421A Liquid Tin, Tin Plating Solution, 500mL Bottle, Clear Yellow by mg chemicals
- **How much does it cost?** € 342.82 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/617789862-421a-liquid-tin-tin-plating-solution-500ml-bottle-clear-yellow)

## Best For

- mg chemicals enthusiasts

## Why This Product

- Trusted mg chemicals brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Application:** No dilution needed—ready to use straight from the bottle for maximum convenience.
- • **Pure & Durable Coating:** High tin concentration ensures a thick, corrosion-resistant layer that extends circuit life.
- • **Clean & Reliable Finish:** Rinsable residues leave surfaces bright and solder-ready, enhancing adhesion and performance.
- • **Industrial-Grade Quality:** Formulated for professional use, delivering consistent, high-quality results every time.
- • **Rapid Circuit Protection:** Immersion tinplates copper traces in just 7-10 minutes, accelerating your workflow.

## Overview

MG Chemicals 421A Liquid Tin is a high-concentration immersion tin plating solution that coats copper circuits in 7-10 minutes without dilution. It provides a pure, corrosion-resistant tin layer with rinsable residues for a clean, solderable finish, designed for industrial applications to extend circuit longevity and reliability.

## Description

421A is a clear yellow immersion tin solution designed to coat copper traces and solder deposits with a thick layer of tin. The deposited tin is readily solderable and extends the working life of circuits by protecting them from corrosion. The pure tin deposit provides excellent corrosion resistance, and is free of co‑deposited organics. 421A ensures good solderability for solder deposits by cleaning them and by making their surfaces bright and active. Features & Benefits No dilution required High tin concentration Rinsable residues Good adhesion

## Features

- Easily tinplates copper circuits on PC boards in 7-10 minutes
- High tin concentration, No dilution required
- Rinsable residues
- Good adhesion
- For industrial use only. Read Safety Data Sheet located on drop down menu before use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | MG Chemicals |
| UPC | 779008421512 |
| Item model number | 421A-500ML |
| Product Dimensions | 2.54 x 2.54 x 2.54 cm; 113.4 g |
| ASIN | B09TWY4YQW |

## Product Details

- **Brand:** MG Chemicals
- **Item weight:** 0.25 Pounds
- **Item volume:** 500 Milliliters
- **Package information:** Bottle
- **Item form:** Liquid

## Images

![421A Liquid Tin, Tin Plating Solution, 500mL Bottle, Clear Yellow - Image 1](https://m.media-amazon.com/images/I/51e1cARXEjL.jpg)

## Frequently Bought Together

- MG Chemicals 421A Liquid Tin, Tin Plating Solution, 500mL Bottle, Clear Yellow
- MG Chemicals 415-1L Ferric Chloride, 1 Quart

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**Shop now:** [https://www.desertcart.nl/products/617789862-421a-liquid-tin-tin-plating-solution-500ml-bottle-clear-yellow](https://www.desertcart.nl/products/617789862-421a-liquid-tin-tin-plating-solution-500ml-bottle-clear-yellow)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-18*