Burettes with PTFE Needle Valve Stopcock Manufacturer,Supplier and Exporter in India
Product Code : EL-GB-11078
Quick Answer: Burettes with PTFE Needle Valve Stopcock have a borosilicate glass body and a PTFE needle valve stopcock that gives a leakproof seal and finer flow control. They are listed in capacities from 5 ml to 100 ml.
Last updated: October 2026
Key Features
- PTFE needle valve stopcock with a leakproof seal
- Finer control of flow
- No lubrication needed and no plug seizure
- Graduated borosilicate glass body
- Capacities of 5 ml, 10 ml, 25 ml, 50 ml and 100 ml
- Heat resistant and chemical resistant
Technical Specifications
| Specification | Value |
|---|---|
| Body | Borosilicate glass |
| Stopcock | PTFE needle valve |
| Capacity | 5 ml, 10 ml, 25 ml, 50 ml, 100 ml |
| Marking | Graduated |
About This Product
This borosilicate glassware is used in the chemical laboratory where liquid has to be released in finely controlled amounts. The needle valve stopcock is made of PTFE, so it needs no lubrication and the plug does not seize. The graduated glass body is heat resistant and chemical resistant.
Frequently Asked Questions
Does the needle valve stopcock need greasing?
No. The PTFE needle valve stopcock removes the need for lubrication and avoids plug seizure.
What capacities are available?
The burettes are listed in 5 ml, 10 ml, 25 ml, 50 ml and 100 ml capacities.
Related: Glassware Burettes, Burettes with PTFE Key Stopcock Schellbach Stripe and Burette, Class-B, with PTFE Key Stopcock.
For a quotation on the Burettes with PTFE Needle Valve Stopcock, contact Didactic Lab.
