Burettes with PTFE Key stopcock
Product Code : EL-GB-10164
Lab Glassware Manufacturer manufactures and exports Burettes with PTFE Key Stopcock from its production base in Ambala, Haryana, in continuous operation since 1982, supplying school and college science laboratories, university research departments, and export buyers that have recently included institutions in Nepal, Bangladesh and Sri Lanka — part of a wider base of enquiries from across South Asia.
Quick answer: This is a borosilicate glass burette with blue-print graduation and a PTFE key stopcock, which turns smoothly without needing grease and resists attack from most laboratory reagents.
Burettes with PTFE Key Stopcock — Specification
| Feature | Detail |
|---|---|
| Material | Borosilicate glass |
| Stopcock | PTFE key stopcock |
| Print colour | Blue enamel graduation |
| Standards | Manufactured to align with ISO 385 (Laboratory glassware – Burettes) and ASTM E287 (Standard Specification for Laboratory Glass Burets) |
PTFE Key Stopcock Advantages
A PTFE key stopcock does not need the grease a glass stopcock typically requires, turns smoothly, and resists attack from most laboratory reagents, which helps keep the stopcock bore clean and free-turning over repeated use. A version of this burette with a Schellbach stripe for easier meniscus reading is also available; see Burettes with PTFE Key Stopcock Schellbach Stripe.
Frequently Asked Questions
Why choose a PTFE stopcock over glass?
A PTFE key stopcock does not need grease, turns smoothly, and resists attack from most laboratory reagents.
Is a Schellbach-striped version available?
Yes, see Burettes with PTFE Key Stopcock Schellbach Stripe.
What capacity is available?
Send your required capacity with your enquiry so a quotation can be prepared against the correct specification.
Does the stopcock need maintenance?
PTFE stopcocks generally need less maintenance than glass stopcocks since they do not require greasing; occasional cleaning and rinsing is recommended.
Is a needle-valve stopcock version available instead?
Yes, see Burettes with PTFE Needle Valve Stopcock for fine flow-rate control.
Do you export this burette outside India?
Yes, burettes are supplied to institutional and distributor buyers outside India alongside other titration equipment. Confirm packing and quantity requirements at enquiry stage.
Related Products
Other burettes and burette accessories from Lab Glassware Manufacturer: Burettes with PTFE Key Stopcock Schellbach Stripe, Burettes with PTFE Needle Valve Stopcock, Burette Brush, Burette Clamp Aluminium.
Request a Quote
Ready to order Burettes with PTFE Key Stopcock for your laboratory, institutional or export order? Contact Us for a quotation, or visit the Tenders page for bulk and institutional procurement.
Last updated: September 2026.