--- product_id: 70158851 title: "StonyLab Glass 50ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 50ml" brand: "stonylab" price: "€ 43.64" currency: EUR in_stock: true reviews_count: 6 category: "Stonylab" url: https://www.desertcart.gr/products/70158851-stonylab-glass-50ml-heavy-wall-single-neck-round-bottom-flask store_origin: GR region: Greece --- # 450°C max working temp 24/40 standard taper joint Borosilicate glass durability StonyLab Glass 50ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 50ml **Brand:** stonylab **Price:** € 43.64 **Availability:** ✅ In Stock ## Summary > 🧪 Elevate your lab game with the flask that means business! ## Quick Answers - **What is this?** StonyLab Glass 50ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 50ml by stonylab - **How much does it cost?** € 43.64 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/70158851-stonylab-glass-50ml-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 - • **Compact Yet Capacious:** 50ml capacity ideal for precise lab reactions and distillations - • **Trusted by Professionals:** Top-rated with 4.6 stars from 106 expert users worldwide - • **Built to Last, Guaranteed:** Durable borosilicate glass backed by a 1-year limited warranty - • **Heat-Resistant Powerhouse:** Withstands up to 450°C and sudden 140°C thermal shocks without cracking - • **Precision Fit, Zero Compromise:** Seamless 24/40 taper joint for flawless apparatus integration ## Overview The StonyLab 50ml Round Bottom Flask features a robust borosilicate glass build with a 24/40 standard taper joint, designed for high-precision lab work including reactions and distillations. It endures extreme temperatures up to 450°C and rapid thermal changes, ensuring reliability and durability backed by a 1-year warranty. A top choice for professionals seeking performance and longevity. ## Description Product Description Round Bottom Flasks - More Choices 24/40 19/22 Short Neck Long Neck 2 Neck 3 Neck Review: Excellent - Item as described, excellent condition and excellent shipping Review: ottimo❤️ - veramente un marchio con le palle 💪🏽 ## 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, 50 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 | B076GQD4VT | | Best Sellers Rank | 64,578 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 72 in Lab Flasks | | Bottom Shape | Round | | Bottom shape | Round | | Brand | stonylab | | Capacity | 50 Millilitres | | Country Of Origin | China | | Customer Reviews | 4.6 out of 5 stars 106 Reviews | | Graduation Interval | 50 Millilitres | | Graduation interval | 50 Millilitres | | Manufacturer | StonyLab Scientific | | Manufacturer Part Number | US-RBF-1Neck-Glass-50ml | | Material | Glass | | Material Type | Glass | | Specification Met | [Possible_specifications] | | Specification met | [Possible_specifications] | ## Product Details - **Bottom shape:** Round - **Brand:** stonylab - **Capacity:** 50 Millilitres - **Graduation interval:** 50 Millilitres - **Manufacturer:** StonyLab Scientific - **Material:** Glass - **Specification met:** [Possible_specifications] ## Images ![StonyLab Glass 50ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 50ml - Image 1](https://m.media-amazon.com/images/I/510Axa9wZBL.jpg) ![StonyLab Glass 50ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 50ml - Image 2](https://m.media-amazon.com/images/I/51UY2WYXvfL.jpg) ![StonyLab Glass 50ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 50ml - Image 3](https://m.media-amazon.com/images/I/51OJE0YjXQL.jpg) ![StonyLab Glass 50ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 50ml - Image 4](https://m.media-amazon.com/images/I/51qQgwQseYL.jpg) ![StonyLab Glass 50ml Heavy Wall Single Neck Round Bottom Flask RBF, with 24/40 Standard Taper Outer Joint – 50ml - Image 5](https://m.media-amazon.com/images/I/71-aayCUsjL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent *by A***R on 18 November 2019* Item as described, excellent condition and excellent shipping ### ⭐⭐⭐⭐⭐ ottimo❤️ *by L***O on 6 April 2023* veramente un marchio con le palle 💪🏽 ### ⭐⭐⭐⭐⭐ Passt *by R***. on 26 March 2019* Lieferung und Produkt in Ordnung! --- ## 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.gr/products/70158851-stonylab-glass-50ml-heavy-wall-single-neck-round-bottom-flask](https://www.desertcart.gr/products/70158851-stonylab-glass-50ml-heavy-wall-single-neck-round-bottom-flask) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-17*