---
product_id: 23668366
title: "30140 1.7 oz. H-20 95 Water Soluble Tinning Flux"
brand: "oatey"
price: "€ 18.48"
currency: EUR
in_stock: true
reviews_count: 10
url: https://www.desertcart.sk/products/23668366-30140-1-7-oz-h-20-95-water-soluble-tinning
store_origin: SK
region: Slovakia
---

# Water-flushable for easy cleanup 100% lead-free, safe for copper Medium-high viscosity paste 30140 1.7 oz. H-20 95 Water Soluble Tinning Flux

**Brand:** oatey
**Price:** € 18.48
**Availability:** ✅ In Stock

## Summary

> 💧 Solder smarter, not harder — the pro’s choice for flawless copper joints!

## Quick Answers

- **What is this?** 30140 1.7 oz. H-20 95 Water Soluble Tinning Flux by oatey
- **How much does it cost?** € 18.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/23668366-30140-1-7-oz-h-20-95-water-soluble-tinning)

## Best For

- oatey enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Legacy 🛠️:** Backed by Oatey’s 100+ years of plumbing expertise, trusted by pros worldwide.
- • **Effortless Cleanup 💧:** Water-soluble formula washes away residue with ease, saving you time and hassle.
- • **Safe & Sustainable 🔩:** 100% lead-free paste ensures a non-toxic, eco-conscious soldering experience.
- • **Precision Bonding ⚙️:** Medium to high viscosity paste offers smooth application and superior wetting for flawless joints.
- • **No Green Tint Guarantee 🍃:** Won't discolor copper piping, preserving the professional look of your work.

## Overview

Oatey 30140 H-20 95 Water Soluble Tinning Flux is a 1.7 oz. lead-free, water-flushable paste designed for efficient soldering of copper pipes and fittings. Its medium-high viscosity ensures smooth application and exceptional bonding, while its formula prevents copper discoloration. Trusted by professionals for over a century, this flux simplifies cleanup and delivers reliable, high-quality joints every time.

## Description

Oatey H-20 95 Water Soluble Tinning Flux is a water-flushable flux containing solder powder to aid in the soldering process. The smooth, non-runny paste easily washes residual flux out of a piping system. The flux's wetting characteristics allow exceptional bonding. Oatey products have earned the trust of plumbing professionals for over 100 years.

## Features

- Water-flushable tinning flux containing solder powder
- 100% lead-free paste cleans and fluxes copper piping
- Effective on all metals, except aluminum and stainless steel
- Designed for use in joining or sweating copper pipe and fittings
- Will not turn copper piping green

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B000KKT484 |
| Best Sellers Rank | #22,464 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #35 in Soldering Flux |
| Brand Name | Oatey |
| Color | Gray |
| Compatible Material | Metal |
| Container Type | Can |
| Customer Reviews | 4.6 4.6 out of 5 stars (74) 4.6 out of 5 stars |
| Global Trade Identification Number | 00038753301402 |
| Included Components | (1) 1.7 oz. container |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | Water Soluble Tinning Flux |
| Item Weight | 2.4 ounces |
| Manufacturer | OATEY |
| Material Type | metal |
| Model | 30140 |
| Other Special Features Of The Product | special_feature |
| Part Number | 30140 |
| Specific Uses For Product | specific_uses_for_product |
| Unit Count | 1.7 Ounce |
| Upc | 038753301402 |
| Viscosity Level | Medium to High |
| Volume | 50.28 ml |
| Warranty Description | 1 Year Limited Warranty |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Oatey
- **Item Form:** Paste
- **Material:** metal
- **Special Feature:** special_feature
- **Specific Uses For Product:** specific_uses_for_product

## Images

![30140 1.7 oz. H-20 95 Water Soluble Tinning Flux - Image 1](https://m.media-amazon.com/images/I/71HDMrNlirL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: is it supposed to look like a grey colored paste?**
A: Yes. The gray color is from a solder powder added to the flux paste. The solder powder is an enhancement to the flux which makes the solder wick into the joint better and faster. 
Perfectly Normal

## Customer Reviews

### ⭐⭐⭐⭐⭐ Tinning flux is the way to go!
*by  on Reviewed in the United States May 22, 2026*

I am not a pro when it comes to sweating copper pipe but this tinning flux made the job super easy. A must buy for do it your selfers!

### ⭐⭐⭐⭐⭐ Does the job!
*by  on Reviewed in the United States May 24, 2026*

Good stuff

### ⭐⭐⭐⭐ works well just over priced.
*by  on Reviewed in the United States May 15, 2026*

Works well just more expensive than buying the same item locally

## Frequently Bought Together

- Oatey 30140 Water Soluble Tinning Flux, Gray
- Pro Grade - Acid Brushes - 36 Count 3/8 Inch Boar Hair Acid Flux Brushes
- Oatey 29024 Safe Flo 0.117-Inch ga. Bulk, Silver, 1/2 lb.

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**Shop now:** [https://www.desertcart.sk/products/23668366-30140-1-7-oz-h-20-95-water-soluble-tinning](https://www.desertcart.sk/products/23668366-30140-1-7-oz-h-20-95-water-soluble-tinning)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-09-08*