---
product_id: 64231474
title: "940-50ML Dripstop 940 DEF Pipe Thread Sealant - 50ml Tube"
brand: "hernon"
price: "$112.58"
currency: USD
in_stock: true
category: "Hernon"
url: https://www.desertcart.us/products/64231474-940-50ml-dripstop-940-def-pipe-thread-sealant-50ml-tube
store_origin: US
region: United States of America
---

# Withstands 240psig @ 400°F 50ml precision dosing NSF & UL certified safety 940-50ML Dripstop 940 DEF Pipe Thread Sealant - 50ml Tube

**Brand:** hernon
**Price:** $112.58
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal Smart, Seal Fast — The Pro’s Choice for DEF Systems!

## Quick Answers

- **What is this?** 940-50ML Dripstop 940 DEF Pipe Thread Sealant - 50ml Tube by hernon
- **How much does it cost?** $112.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/64231474-940-50ml-dripstop-940-def-pipe-thread-sealant-50ml-tube)

## Best For

- hernon enthusiasts

## Why This Product

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

## Key Features

- • **DEF Industry Approved:** Certified compatibility with diesel exhaust fluid systems per ISO-22241.
- • **Anti-Galling Protection:** Prevents metal wear on stainless steel and aluminum fittings for lasting performance.
- • **Teflon-Infused Durability:** Polytetrafluoroethylene ensures superior chemical resistance and longevity.
- • **Fast-Acting, No Primer Needed:** Get your pipes sealed in record time without extra prep.
- • **High-Pressure & Heat Resilience:** Reliable sealing up to 240psig steam at 400°F continuous service.

## Overview

Hernon Dripstop 940 is a 50ml high-speed, Teflon-filled thread sealant designed for metal piping in chemical and diesel exhaust fluid (DEF) systems. NSF and UL approved, it seals under extreme conditions up to 240psig and 400°F, prevents galling on stainless steel and aluminum, and cures without primer, making it an industry-trusted solution for professional-grade pipe sealing.

## Description

Hernon Dripstop 940 is a high-speed thread sealant for use on inactive metals such as stainless steel and aluminum used in chemical process piping. The properties of this Dripstop prevents galling on Stainless Steel, Aluminum, and other metal pipe fittings. Dripstop 940 is formulated to cure without the necessity of a primer. Dripstop 940 has been shown to be compatible for use within diesel exhaust systems using DEF according to ISO-22241 through independent 3rd party verification. It withstainds high pressures, sealing up to 240psig steam at 400 degrees F (204 degrees C) continuous service while maintaining its chemical inertness.

## Features

- 50ml tube
- Approved for DEF industry
- NSF and UL Approved
- Teflon filled

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B076R9171J |
| Best Sellers Rank | #710,001 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #462 in Industrial Thread Sealants |
| Brand Name | Hernon |
| Compatible Material | Metal |
| Customer Reviews | 5.0 5.0 out of 5 stars (1) |
| Item Form | Liquid |
| Manufacturer | Hernon |
| Material Type | Polytetrafluoroethylene |
| Number of Items | 1 |
| Part Number | 940-50ML |
| Style Name | Compact |
| UPC | 680147541835 |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Hernon
- **Item Form:** Liquid
- **Material:** Polytetrafluoroethylene
- **Style:** Compact
- **Water Resistance Level:** Water Resistant

## Images

![940-50ML Dripstop 940 DEF Pipe Thread Sealant - 50ml Tube - Image 1](https://m.media-amazon.com/images/I/517tNfsEw1L.jpg)

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**Shop now:** [https://www.desertcart.us/products/64231474-940-50ml-dripstop-940-def-pipe-thread-sealant-50ml-tube](https://www.desertcart.us/products/64231474-940-50ml-dripstop-940-def-pipe-thread-sealant-50ml-tube)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-11*