---
product_id: 92371259
title: "EISCO 10PK Neoprene Stoppers, 2 Holes - ASTM - Size #3-18mm Bottom, 24mm Top, 25mm Length - Suitable for use with Petroleum, Oils & Most Inorganic Acids and Bases"
brand: "eisco"
price: "1049376₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/92371259-eisco-10pk-neoprene-stoppers-2-holes-astm-size-3-18mm
store_origin: VN
region: Vietnam
---

# Temp resistant -40 to 130°C Dual 5mm holes for versatile use ASTM size #3 precision EISCO 10PK Neoprene Stoppers, 2 Holes - ASTM - Size #3-18mm Bottom, 24mm Top, 25mm Length - Suitable for use with Petroleum, Oils & Most Inorganic Acids and Bases

**Brand:** eisco
**Price:** 1049376₫
**Availability:** ✅ In Stock

## Summary

> 🧪 Seal your experiments with confidence and style!

## Quick Answers

- **What is this?** EISCO 10PK Neoprene Stoppers, 2 Holes - ASTM - Size #3-18mm Bottom, 24mm Top, 25mm Length - Suitable for use with Petroleum, Oils & Most Inorganic Acids and Bases by eisco
- **How much does it cost?** 1049376₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/92371259-eisco-10pk-neoprene-stoppers-2-holes-astm-size-3-18mm)

## Best For

- eisco enthusiasts

## Why This Product

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

## Key Features

- • **Dual-Hole Design:** Two 5mm holes provide flexible application options, enhancing your experimental control.
- • **Temperature Tough:** Withstands extreme conditions from -40°C to 130°C, perfect for demanding environments.
- • **Lab-Grade Precision Fit:** ASTM-standard size #3 ensures seamless compatibility with your lab setups.
- • **Engineered for Excellence:** Crafted by Eisco Labs with cutting-edge tech and rigorous quality control for lasting performance.
- • **Unmatched Chemical Resilience:** Neoprene rubber resists petroleum, oils, and most inorganic acids & bases for reliable durability.

## Overview

This pack of 10 neoprene stoppers, sized #3 per ASTM standards, features dual 5mm holes and measures 25mm in length with 18mm base and 24mm top diameters. Engineered for chemical and temperature resistance (-40 to 130°C), they are ideal for use with petroleum, oils, and most inorganic acids and bases. Manufactured by Eisco Labs with precision and durability in mind.

## Description

Pack of ten #3 stoppers made of long lasting neoprene rubber. Blue color. Each stopper features two holes measuring 5mm in diameter. Manufactured according to sizes recommended by ASTM standards. Each stopper measures 25mm in length, has a base diameter measuring 18mm, and a top diameter measuring 24mm. The neoprene rubber construction is suitable for use with petroleum products, minerals, oils and fats, as well as most inorganic acids and bases. Resistant to temperatures ranging from -40 to 130°C. Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind.

## Features

- NEOPRENE STOPPERS WITH TWO HOLES || Pack of 10 long lasting neoprene rubber stoppers with a single hole measuring 5mm in diameter
- ASTM || Stoppers are manufactured according to sizes recommended by ASTM standards
- SIZE #3 || Stopper measures 25mm in length, has a base diameter measuring 18mm, and a top diameter measuring 24mm
- CHEMICAL & TEMPERATURE RESISTANT || The neoprene rubber construction is suitable for use with petroleum products, minerals, oils and fats, as well as most inorganic acids and bases. Resistant to temperatures ranging from -40 to 130°C
- MANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind

## Images

![EISCO 10PK Neoprene Stoppers, 2 Holes - ASTM - Size #3-18mm Bottom, 24mm Top, 25mm Length - Suitable for use with Petroleum, Oils & Most Inorganic Acids and Bases - Image 1](https://m.media-amazon.com/images/I/81KJw6jXcjL.jpg)
![EISCO 10PK Neoprene Stoppers, 2 Holes - ASTM - Size #3-18mm Bottom, 24mm Top, 25mm Length - Suitable for use with Petroleum, Oils & Most Inorganic Acids and Bases - Image 2](https://m.media-amazon.com/images/I/419WGXizIrL.jpg)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-07*