---
product_id: 100333580
title: "Borosilicate 3.3 Glass Graduated Conical Erlenmeyer Flask for Laboratory (50ml, 2 in a pack)"
brand: "rocwing"
price: "£12.12"
currency: GBP
in_stock: true
reviews_count: 13
category: "Rocwing"
url: https://www.desertcart.co.uk/products/100333580-borosilicate-3-3-glass-graduated-conical-erlenmeyer-flask-for-laboratory
store_origin: GB
region: United Kingdom
---

# Borosilicate 3.3 Glass Graduated Conical Erlenmeyer Flask for Laboratory (50ml, 2 in a pack)

**Brand:** rocwing
**Price:** £12.12
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Borosilicate 3.3 Glass Graduated Conical Erlenmeyer Flask for Laboratory (50ml, 2 in a pack) by rocwing
- **How much does it cost?** £12.12 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/100333580-borosilicate-3-3-glass-graduated-conical-erlenmeyer-flask-for-laboratory)

## Best For

- rocwing enthusiasts

## Why This Product

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

## Description

Borosilicate 3.3 Glass, 50/100/250/500/1000 with standard uniform wall version, 2000/3000/5000 with advance uniform wall, slightly thicker, heat and thermal shock resistant, white graduation markings, white note writing display. SGS UK tested, all Rocwing glassware in compliance with BS 6748:1986 (Food Contact Safe)

Review: Very good quality - Can take boiling liquid and subsequently crash cooled without cracking. Very robust and the markings are very clear.
Review: good solid flask - This is very sturdy, good quality glassware and I am confident it will survive for many years of brewing, perfect for making up yeast starters.

## Features

- Borosilicate 3.3 Glass, Heat and Thermal Shock Resistant
- 50/100/250/500/1000ml flask with standard uniform wall
- 2000/3000/5000ml flask with advance uniform wall, slightly thicker
- White graduation markings, white note writing display
- SGS UK tested, all Rocwing glassware including beakers, flasks and cylinders in compliance with BS 6748:1986 (Food Contact Safe)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07K6PCZGB |
| Best Sellers Rank | 12,119 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 5 in Lab Flasks |
| Bottom Shape | Round |
| Bottom shape | Round |
| Brand | Rocwing |
| Capacity | 50 Millilitres |
| Country Of Origin | China |
| Customer Reviews | 4.7 out of 5 stars 401 Reviews |
| Graduation Interval | 50 Millilitres |
| Graduation interval | 50 Millilitres |
| Manufacturer | HuiDa |
| Manufacturer Part Number | Flask-50ml-2X |
| Material | Glass |
| Material Type | Glass |
| Specification Met | SGS food contact safe |
| Specification met | SGS food contact safe |

## Product Details

- **Material:** Borosilicate Glass
- **Capacity:** 100 Millilitres, 250 Millilitres, 50 Millilitres, 500 Millilitres
- **Brand:** Rocwing
- **Bottom shape:** Round
- **Manufacturer:** HuiDa

## Images

![Borosilicate 3.3 Glass Graduated Conical Erlenmeyer Flask for Laboratory (50ml, 2 in a pack) - Image 1](https://m.media-amazon.com/images/I/51XYfWBQfEL.jpg)
![Borosilicate 3.3 Glass Graduated Conical Erlenmeyer Flask for Laboratory (50ml, 2 in a pack) - Image 2](https://m.media-amazon.com/images/I/31PmXhVjEUL.jpg)
![Borosilicate 3.3 Glass Graduated Conical Erlenmeyer Flask for Laboratory (50ml, 2 in a pack) - Image 3](https://m.media-amazon.com/images/I/51muhQNfX9L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very good quality
*by K***S on 17 September 2024*

Can take boiling liquid and subsequently crash cooled without cracking. Very robust and the markings are very clear.

### ⭐⭐⭐⭐⭐ good solid flask
*by R***D on 3 October 2023*

This is very sturdy, good quality glassware and I am confident it will survive for many years of brewing, perfect for making up yeast starters.

### ⭐⭐⭐⭐⭐ Great for making yeast starter
*by J***R on 28 December 2023*

Arrived well packaged inside a bubble wrap bag and cardboard box. I'm using it with a magnetic stir plate to make yeast starters for my homebrew. Most brewers use a 2l conical flask for their starters but I decided the 1l was sufficient for the styles of beer I brew. Very happy with my purchase so far. Hopefully it will last me many years.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.uk/products/100333580-borosilicate-3-3-glass-graduated-conical-erlenmeyer-flask-for-laboratory](https://www.desertcart.co.uk/products/100333580-borosilicate-3-3-glass-graduated-conical-erlenmeyer-flask-for-laboratory)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-12*