--- product_id: 469484585 title: "Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL Cap, 0.10mL Grad, Class A Tolerance" price: "HK$1452" currency: HKD in_stock: true reviews_count: 5 url: https://www.desertcart.hk/products/469484585-eisco-labs-borosilicate-burette-straight-bore-ptfe-stopcock-50ml-cap store_origin: HK region: Hong Kong --- # ±0.05mL Class A accuracy Autoclavable & thermal shock resistant 50mL heavy-duty borosilicate glass Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL Cap, 0.10mL Grad, Class A Tolerance **Price:** HK$1452 **Availability:** ✅ In Stock ## Summary > ⚗️ Elevate your precision game with lab-grade reliability! ## Quick Answers - **What is this?** Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL Cap, 0.10mL Grad, Class A Tolerance - **How much does it cost?** HK$1452 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/469484585-eisco-labs-borosilicate-burette-straight-bore-ptfe-stopcock-50ml-cap) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smooth Control:** PTFE stopcock offers seamless flow regulation with chemical inertness. - • **Built to Endure:** Crafted from premium borosilicate 3.3 glass, designed to resist chemical corrosion and thermal shocks. - • **Precision Perfected:** Class A tolerance ensures ±0.05mL accuracy for flawless measurements every time. - • **Versatile Excellence:** Ideal for cutting-edge labs, dynamic classrooms, and even meticulous home experiments. - • **Calibrated Confidence:** 0.10mL blue graduations calibrated to deliver exact volumes, trusted in professional labs. ## Overview The Eisco Labs 50mL borosilicate burette combines industrial-grade glass with Class A ±0.05mL accuracy and a chemical-resistant PTFE stopcock. Autoclavable and calibrated to deliver precise 0.10mL increments, it’s engineered for professional labs, educational settings, and serious home use. ## Description EISCO Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL - Class A Burette These high quality borosilicate burettes are straight bore with interchangeable PTFE key stopcocks. Accuracy is per ISO 385, DIN 12709. Review: Great Burette, Good Quality - Very good quality, well packed and arrived safely / unbroken. It works great and is easy to clean. I couldn’t ask for more. Review: Muy buen precio y excelente empaquetado - Había roto una bureta en mi laboratorio y tenía que pagarlo pero salía muy caro les di este y quedaron muy contentos ## Features - INDUSTRIAL QUALITY || 50ml Burette made of high quality, heavy duty, Borosilicate 3.3 glass. Burette features a straight bore, PTFE stopcock - CLASS A ACCURACY || ±0.05ml accuracy as per DIN ISO 385 - SUPERIOR DURABILITY || Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs proudly manufactures its own products, using only the highest grade, raw materials to ensure that they can withstand use in even the toughest laboratory environments - CALIBRATED TO DELIVER || 0.1ml blue graduations. Eisco Labs burettes are calibrated to deliver - GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Eisco | | Manufacturer | Eisco | | Country of Origin | USA | | Model number | CH0240C | | Number of Memory Sticks | 1 | | Item Weight | 272 g | | Product Dimensions | 76.2 x 10.16 x 10.16 cm; 272 g | | Item model number | CH0240C | | Item Height | 4 Inches | | Item Width | 4 Inches | | Are batteries included? | No | ## Images ![Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL Cap, 0.10mL Grad, Class A Tolerance - Image 1](https://m.media-amazon.com/images/I/71BRw+awCBL.jpg) ## Questions & Answers **Q: Is it autoclavable for sterilization?** A: Yes, the product is autoclavable. **Q: Does glass key stopcock allow precise flow control?** A: Yes, the stopcock allows for precise flow control. **Q: Are graduations easy to read?** A: Yes, the graduations are clear and easy to read. **Q: Does stopcock leak or allow bubbles?** A: Yes, the stopcock minimizes leaks and bubbles. **Q: Is calibration certificate included upon purchase?** A: Yes, calibration certificate is included. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great Burette, Good Quality *by J***J on 17 November 2025* Very good quality, well packed and arrived safely / unbroken. It works great and is easy to clean. I couldn’t ask for more. ### ⭐⭐⭐⭐⭐ Muy buen precio y excelente empaquetado *by E***A on 29 November 2021* Había roto una bureta en mi laboratorio y tenía que pagarlo pero salía muy caro les di este y quedaron muy contentos ### ⭐⭐⭐⭐⭐ Great quality glassware *by C***L on 29 November 2021* Really happy with the quality Nice piece of glassware ## Frequently Bought Together - EISCO Burette, 50ml - Class A, ±0.05ml Accuracy - Borosilicate Glass - Straight Bore PTFE Stopcock - 0.1ml Blue Graduations - 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 Double Sided Butterfly Style Burette/Tube Clamp - High Strength Alloy - Spring Loaded Jaws - 7/8" Width Capacity, Holds Burettes up to 100mL - Fits Max 16mm Dia. Rods --- ## 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.hk/products/469484585-eisco-labs-borosilicate-burette-straight-bore-ptfe-stopcock-50ml-cap](https://www.desertcart.hk/products/469484585-eisco-labs-borosilicate-burette-straight-bore-ptfe-stopcock-50ml-cap) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-08-24*