---
product_id: 73773281
title: "StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask with 24/40 Center and Side Standard Outer Joint"
brand: "stonylab"
price: "383.28 DT"
currency: TND
in_stock: true
category: "Stonylab"
url: https://www.desertcart.tn/products/73773281-stonylab-glass-heavy-wall-2-neck-round-bottom-flask-24
store_origin: TN
region: Tunisia
---

# 24/40 standard outer joints 450°C heat resistance 500 ml dual-neck capacity StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask with 24/40 Center and Side Standard Outer Joint

**Brand:** stonylab
**Price:** 383.28 DT
**Availability:** ✅ In Stock

## Summary

> 🧪 Elevate your lab game with the flask that means business.

## Quick Answers

- **What is this?** StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask with 24/40 Center and Side Standard Outer Joint by stonylab
- **How much does it cost?** 383.28 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/73773281-stonylab-glass-heavy-wall-2-neck-round-bottom-flask-24)

## Best For

- stonylab enthusiasts

## Why This Product

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

## Key Features

- • **High-Heat Performance:** Withstands up to 450°C for demanding lab processes without compromise.
- • **Borosilicate Durability:** Engineered for superior chemical stability and thermal shock resistance.
- • **Trusted Quality Assurance:** Backed by a 1-year limited warranty for professional reliability.
- • **Precision Dual-Neck Design:** Optimize complex reactions with versatile center and side joints.
- • **Versatile Laboratory Essential:** Perfect for distillation, reflux, synthesis, and heating tasks.

## Overview

The StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask is a 500 ml borosilicate glass vessel designed for advanced chemical experiments. Featuring dual 24/40 standard outer joints, it supports versatile setups for distillation, reflux, and synthesis. Its heavy wall construction endures temperatures up to 450°C, ensuring durability and stability in rigorous lab environments, all backed by a 1-year limited warranty.

## Description

StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask with 24/40 Center and Side Standard Outer Joint: desertcart.com: Industrial & Scientific

## Features

- Used in chemical experiments for distillation, reflux, organic synthesis, solution preparation, and general heating reactions
- Capacity: 500 ml; two-neck design with 24/40 center and side standard outer joints
- Made of borosilicate glass, offering good heat resistance and chemical stability for routine heating and chemical reaction procedures in laboratory environments
- Stable operating temperature up to 450°C; instantaneous temperature changes should not exceed 140°C
- 1-year limited manufacturer warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B076GPV61Z |
| Best Sellers Rank | #142,987 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Lab Boiling Flasks |
| Bottom Shape | Round |
| Brand Name | stonylab |
| Capacity | 500 Milliliters |
| Customer Reviews | 4.2 4.2 out of 5 stars (170) |
| Global Trade Identification Number | 07426844814345 |
| Manufacturer | StonyLab Scientific |
| Material Type | Glass |
| Model Number | US-RBF-2Neck-Glass-500ml |
| Part Number | US-RBF-2Neck-Glass-500ml |

## Product Details

- **Bottom Shape:** Round
- **Brand:** stonylab
- **Capacity:** 500 Milliliters
- **Global Trade Identification Number:** 07426844814345
- **Material:** Glass

## Images

![StonyLab Glass Heavy Wall 2 Neck Round Bottom Flask with 24/40 Center and Side Standard Outer Joint - Image 1](https://m.media-amazon.com/images/I/51uidiF7kdL.jpg)

## Available Options

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

## Questions & Answers

**Q: Does this come with a cork base?**
A: No, you will have to buy the base separately.

**Q: Do you sell heck clips? I noticed most of the flasks you sell are too thick to fit my heck clips, so do you sell the ones that fit your flasks?**
A: Dear Customer,
We do not have this neck clips at present, but it will be available within 1-2 weeks. If you need more information, please contact us directly at support@jndtek.com.
Thanks, J&D Tech

**Q: do you have a 250 ml flat bottom two neck or 100ml flat bottom 2 neck?**
A: Dear Customer,
So sorry that we don't have a 250 ml flat bottom two neck or 100ml flat bottom 2 neck.
Thanks, J&D Tech

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**Shop now:** [https://www.desertcart.tn/products/73773281-stonylab-glass-heavy-wall-2-neck-round-bottom-flask-24](https://www.desertcart.tn/products/73773281-stonylab-glass-heavy-wall-2-neck-round-bottom-flask-24)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-13*