--- product_id: 197260071 title: "stonylab PTFE Stopcock Separatory Funnel 500 ml, Borosilicate Glass Heavy Wall Conical Pear-Shaped Funnel with 24/29 Joint" brand: "stonylab" price: "R2920" currency: ZAR in_stock: true category: "Stonylab" url: https://www.desertcart.co.za/products/197260071-stonylab-ptfe-stopcock-separatory-funnel-500-ml-borosilicate-glass-heavy store_origin: ZA region: South Africa --- # 24/29 standard glass joint withstands up to 200°C 500ml precision capacity stonylab PTFE Stopcock Separatory Funnel 500 ml, Borosilicate Glass Heavy Wall Conical Pear-Shaped Funnel with 24/29 Joint **Brand:** stonylab **Price:** R2920 **Availability:** ✅ In Stock ## Summary > 🔬 Elevate your lab game with precision and durability! ## Quick Answers - **What is this?** stonylab PTFE Stopcock Separatory Funnel 500 ml, Borosilicate Glass Heavy Wall Conical Pear-Shaped Funnel with 24/29 Joint by stonylab - **How much does it cost?** R2920 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/197260071-stonylab-ptfe-stopcock-separatory-funnel-500-ml-borosilicate-glass-heavy) ## 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 - • **Precision 500ml Capacity:** Ideal volume for accurate liquid separation in professional labs - • **Trusted StonyLab Warranty:** Reliable customer support ensures satisfaction and product longevity - • **Conical Pear-Shaped Design:** Optimizes phase separation efficiency for cleaner results - • **PTFE Stopcock with 24/29 Joint:** Smooth, leak-proof control with industry-standard fitting for seamless integration - • **Heat-Resistant Borosilicate Glass:** Durable heavy-wall design tolerates up to 200°C without compromise ## Overview The StonyLab 500ml PTFE Stopcock Separatory Funnel features a heavy-wall borosilicate glass construction designed to withstand temperatures up to 200°C. Its conical pear-shaped design enhances liquid phase separation, while the 24/29 glass joint and PTFE stopcock provide secure, leak-proof operation. Trusted by professionals, it combines durability with precision for efficient laboratory workflows. ## Description stonylab PTFE Stopcock Separatory Funnel 500 ml, Borosilicate Glass Heavy Wall Conical Pear-Shaped Funnel with 24/29 Joint: desertcart.com: Industrial & Scientific ## Features - 500ml glass separatory funnel for separating liquids with different densities - Conical design ensures efficient separation - Borosilicate glass; maximum withstand temperature 200°C - Pear Shape with glass stopcock 24/29 joint - Warranty: StonyLab ensures premium products and premium customer service; If received damaged, please contact us immediately; We will solve it until satisfied ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07V5TBT9K | | Best Sellers Rank | #223,363 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #23 in Lab Separatory Funnels | | Brand Name | stonylab | | Capacity | 500 ml | | Color | 500 ml | | Customer Reviews | 4.3 4.3 out of 5 stars (90) | | Item Weight | 390 g | | Manufacturer | StonyLab Scientific | | Material Type | Glass | | Model Number | SL000864 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | Glass-Sep-Funnel-1PK-500ml | | UPC | 843798111882 | ## Product Details - **Brand:** stonylab - **Capacity:** 500 ml - **Color:** 500 ml - **Item Weight:** 390 g - **Material:** Glass ## Images ![stonylab PTFE Stopcock Separatory Funnel 500 ml, Borosilicate Glass Heavy Wall Conical Pear-Shaped Funnel with 24/29 Joint - Image 1](https://m.media-amazon.com/images/I/41zjVsIXLmL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: What is this separatory funnel used for?** A: It is suitable for liquid-liquid separation, solvent extraction, and other routine laboratory applications. **Q: What material is the separatory funnel made of?** A: The separatory funnel is made of borosilicate glass, offering good transparency and chemical resistance to acids and alkalis. **Q: What type of stopcock does the separatory funnel have?** A: It is equipped with a PTFE stopcock for easy control of liquid flow during separation and extraction. **Q: What is the purpose of the conical design?** A: The conical design makes it easier to observe the liquid interface and collect the separated lower layer. **Q: What precautions should be taken when using the separatory funnel for extraction?** A: Release internal pressure through the stopcock while shaking, especially when using volatile solvents. Shake gently and monitor pressure buildup. ## Frequently Bought Together - StonyLab PTFE Stopcock Separatory Funnel 500ml, Borosilicate Glass Heavy Wall Conical Pear-Shaped Separation Funnel with 24/29 Joint - EISCO Chemical Resistant Steel Ring Stand Set - Lab Stand Support with Clamp - 8 Inch x 5 Inch Base, 24 Inch Rod - Use as Glass Funnel Stand or Test Tube Holder - EISCO CH0688 Labs Clamp Retort, 3 PVC Coated Prongs (Opens to 90mm in Dia.) with Boss Head --- ## 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.za/products/197260071-stonylab-ptfe-stopcock-separatory-funnel-500-ml-borosilicate-glass-heavy](https://www.desertcart.co.za/products/197260071-stonylab-ptfe-stopcock-separatory-funnel-500-ml-borosilicate-glass-heavy) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-15*