---
product_id: 75054259
title: "StonyLab Glass 500ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 500ml"
brand: "stonylab"
price: "353.23 DT"
currency: TND
in_stock: true
reviews_count: 1
category: "Stonylab"
url: https://www.desertcart.tn/products/75054259-stonylab-glass-500ml-heavy-wall-single-neck-round-bottom-flask
store_origin: TN
region: Tunisia
---

# Heavy wall borosilicate glass 450°C max working temp 24/40 standard taper joint StonyLab Glass 500ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 500ml

**Brand:** stonylab
**Price:** 353.23 DT
**Availability:** ✅ In Stock

## Summary

> 🧪 Elevate your experiments with the flask that means business.

## Quick Answers

- **What is this?** StonyLab Glass 500ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 500ml by stonylab
- **How much does it cost?** 353.23 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/75054259-stonylab-glass-500ml-heavy-wall-single-neck-round-bottom-flask)

## 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

- • **Thermal Titan:** Withstands sudden temp shocks up to 140°C for fearless heating.
- • **Universal Fit:** 24/40 taper joint ensures seamless integration with your lab setup.
- • **Trusted Quality:** Backed by a 1-year limited warranty for professional peace of mind.
- • **Generous Capacity:** 500ml volume perfect for versatile reactions and distillations.
- • **Durability Meets Precision:** Heavy wall borosilicate glass engineered for long-lasting lab performance.

## Overview

The StonyLab 500ml Round Bottom Flask features heavy wall borosilicate glass construction with a 24/40 standard taper outer joint, designed for high-temperature lab applications up to 450°C and rapid temperature changes of 140°C. Ideal for mixing, distillation, and heating, it offers durability and compatibility with standard lab apparatus, backed by a 1-year limited warranty.

## Description

Buy StonyLab Glass 500ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 500ml at desertcart UK. Free delivery on eligible orders.

Review: Excellent - Item as described, excellent condition and excellent shipping

## Features

- This flask widely used in laboratory settings including reactions, distillation processes, mixing, and heating operations
- Engineered with 24/40 standard taper outer joint, ensuring connection with compatible apparatus, 500 ml capacity
- Crafted from durable borosilicate glass, it delivers outstanding resistance to harsh and sudden temperature fluctuations
- Designed for reliable performance with a maximum working temperature of 450°C and can withstand instantaneous temperature differences up to 140°C
- 1-year limited manufacturer warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B076GPMWM6 |
| Best Sellers Rank | 83,925 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 110 in Lab Flasks |
| Bottom Shape | Round |
| Bottom shape | Round |
| Brand | stonylab |
| Capacity | 500 Millilitres |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 104 Reviews |
| Graduation Interval | 500 Millilitres |
| Graduation interval | 500 Millilitres |
| Item Weight | 285.1 Grams |
| Manufacturer | StonyLab Scientific |
| Material | Glass |
| Material Type | Glass |

## Images

![StonyLab Glass 500ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 500ml - Image 1](https://m.media-amazon.com/images/I/51ewbaeqZPL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can this flask be used with a rotary evaporator?**
A: Yes, it is like any round bottom flask with a 24/40 joint. I gotten a number of items from Stony Labs and they are all good quality.

**Q: The standard 24/40 clips do not work with these.  Can you recommend what will work please?**
A: Dear Customer,
Here it the clip link for your reference: https://www.amazon.com/dp/B07JM8QPXQ?ref=myi_title_dp
Thanks, StonyLab

**Q: What size clip is needed for these heavy walled flasks? I purchased the green stony lab clips and they are just the standard 24/40 size.**
A: The 24/40 clips should work fine.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent
*by A***R on 18 November 2019*

Item as described, excellent condition and excellent shipping

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**Shop now:** [https://www.desertcart.tn/products/75054259-stonylab-glass-500ml-heavy-wall-single-neck-round-bottom-flask](https://www.desertcart.tn/products/75054259-stonylab-glass-500ml-heavy-wall-single-neck-round-bottom-flask)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-05-30*