50ml Class A Burette, Borosilicate Glass with PTFE Stopcock

R 292.03
  • High‑Grade Borosilicate 3.3 Glass: Exceptional chemical and thermal resistance
  • PTFE Straight‑Bore Stopcock: Smooth, reliable flow control
  • Class A Accuracy: ±0.05 mL precision (DIN ISO 385)
  • Graduations: 0.1 mL white scale for easy reading
  • Calibrated To Deliver (TD): Accurate volumetric dispensing
  • Autoclavable: Suitable for high‑temperature sterilisation
  • Total Length: 31″ (79 cm)
  • Outer Diameter: 0.55″ (14 mm)
  • Inner Diameter: 0.45″ (11.4 mm)
  • Bore Diameter: 7 mm
  • Weight: ~0.8 lbs
  • Ideal for: Analytical chemistry, Titration experiments, Liquid dispensing in labs, Educational and research environments

Need a customised solution?

Optional accessories are available for purchase separately. If your order needs a customised configuration, our technical specialists will follow up with full details before your order is finalised. Contact us via the enquiry form or sales@lasec.com.

Installation, training and special delivery

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DISCLAIMER: All product images are for illustrative purposes only. Actual products may vary slightly in colours, controls, and visible features.
Availability:On Request
SKU
GLAS3B92M50

Product Overview

This high precision 50mL Class A burette is manufactured from heavy-duty Borosilicate 3.3 glass and features a straight bore PTFE stopcock for smooth, reliable flow control and excellent chemical resistance. Designed to meet DIN ISO 385 standards, the burette offers ±0.05mL accuracy, making it ideal for titration and volumetric analysis in professional laboratories, educational institutions, and quality control settings.

Key Features

  • Material: High-grade Borosilicate 3.3 Glass
  • Stopcock: Straight bore, chemical-resistant PTFE
  • Volume: 50mL
  • Graduations: White, 0.1mL increments for clear readability
  • Class: A, with ±0.05mL accuracy (as per DIN ISO 385)
  • Calibration: Calibrated to deliver (TD)
  • Autoclavable: Suitable for high-temperature sterilisation
  • Chemical Durability: Excellent resistance to acids, bases, and solvents
  • Heat Tolerance: Strain Point: 515°C; Annealing Point: 565°C; Softening Point: 820°C

Typical Applications

  • Acid/base titrations
  • Volumetric analysis
  • Standardisation procedures
  • Laboratory liquid dispensing
  • Teaching laboratory experiments
  • Research and quality control workflows

Dimensions

  • Total Length: 31" (79 cm)
  • Outer Diameter: 0.55" (14 mm)
  • Inner Diameter: 0.45" (11.4 mm)
  • Bore Diameter: 7 mm
  • Weight: 0.8 lbs

Certificates & Compliance

Certificates of conformity and other supporting documentation for this product are available for download.

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