---
product_id: 380959232
title: "FLK-01-25 ASTM STD Glass 25ml 24/40 Joint Single Neck Round Bottom Boiling Flask"
brand: "donlab"
price: "6187 som"
currency: KGS
in_stock: true
reviews_count: 4
category: "Donlab"
url: https://www.desertcart.kg/products/380959232-flk-01-25-astm-std-glass-25ml-24-40-joint
store_origin: KG
region: Kyrgyzstan
---

# 24/40 standard ground joint 25ml precision capacity Heavy wall borosilicate glass FLK-01-25 ASTM STD Glass 25ml 24/40 Joint Single Neck Round Bottom Boiling Flask

**Brand:** donlab
**Price:** 6187 som
**Availability:** ✅ In Stock

## Summary

> 🧪 Elevate your lab game with flawless precision and durability!

## Quick Answers

- **What is this?** FLK-01-25 ASTM STD Glass 25ml 24/40 Joint Single Neck Round Bottom Boiling Flask by donlab
- **How much does it cost?** 6187 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/380959232-flk-01-25-astm-std-glass-25ml-24-40-joint)

## Best For

- donlab enthusiasts

## Why This Product

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

## Key Features

- • **Universal 24/40 Joint:** Seamlessly fits with standard lab apparatus for leak-proof connections.
- • **Precision 25ml Capacity:** Ideal for exact measurements in your distillation or lab work.
- • **Durable Heavy-Wall Design:** Engineered to withstand high vacuum and thermal stress without compromise.
- • **Round Bottom for Even Heating:** Optimized shape for smooth boiling and efficient heat distribution.
- • **Premium Borosilicate 3.3 Glass:** Flawless, uniform glass ensures chemical resistance and longevity.

## Overview

The DONLAB FLK-01-25 is a 25ml single-neck round bottom boiling flask made from heavy-wall borosilicate 3.3 glass, featuring a 24/40 standard ground joint. Designed to meet ASTM standards, it offers exceptional durability and chemical resistance, making it perfect for high-vacuum distillation and precise laboratory applications.

## Description

DONLAB FLK-01-25 ASTM STD Glass 25ml 24/40 Joint Single Neck Round Bottom Boiling Flask: desertcart.com: Industrial & Scientific

Review: Politically correct size - Brandy distilling must have
Review: Quality heavy wall recieving flask. Good value and arrived early. No bubbles or defects in the glass - Heavy wall recieving flask works great under high vacuum. Ground glass fitting was a perfect match to my male end and had no vacuum leak with apiezon high temp vac grease on the fitting. Distillation ran smoothly

## Features

- Capacity: 25ml
- 24/40 joint
- Single neck, round bottom
- Heavy wall durable design
- The man-blowing Borosilicate 3.3 glass is uniform and flawfree

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07ZYPD9ZX |
| Best Sellers Rank | #516,081 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #139 in Lab Boiling Flasks |
| Bottom Shape | Round |
| Brand | DONLAB |
| Capacity | 25 Milliliters |
| Date First Available | November 5, 2019 |
| Manufacturer | DONLAB |
| Material | Borosilicate Glass |
| Specification Met | Astm |

## Product Details

- **Bottom Shape:** Round
- **Brand:** DONLAB
- **Capacity:** 25 Milliliters
- **Material:** Borosilicate Glass
- **Specification Met:** Astm

## Images

![FLK-01-25 ASTM STD Glass 25ml 24/40 Joint Single Neck Round Bottom Boiling Flask - Image 1](https://m.media-amazon.com/images/I/2136--VUe7L.jpg)
![FLK-01-25 ASTM STD Glass 25ml 24/40 Joint Single Neck Round Bottom Boiling Flask - Image 2](https://m.media-amazon.com/images/I/411oq50q6WL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Politically correct size
*by C***N on June 21, 2025*

Brandy distilling must have

### ⭐⭐⭐⭐⭐ Quality heavy wall recieving flask. Good value and arrived early. No bubbles or defects in the glass
*by S***H on February 6, 2020*

Heavy wall recieving flask works great under high vacuum. Ground glass fitting was a perfect match to my male end and had no vacuum leak with apiezon high temp vac grease on the fitting. Distillation ran smoothly

### ⭐⭐⭐⭐⭐ Going to make a nice bottle garden with a science theme
*by L***T on November 12, 2022*

Came relatively quickly from China, nice, large, and fairly thick walls. Also the price was unbeatable!l!! unless you want to buy garbage, in that case you could probably find a lower ptice

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**Shop now:** [https://www.desertcart.kg/products/380959232-flk-01-25-astm-std-glass-25ml-24-40-joint](https://www.desertcart.kg/products/380959232-flk-01-25-astm-std-glass-25ml-24-40-joint)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-02-16*