Skip to content Skip to footer

Volumetric Flask with PE Stopper

(1 customer review)

The Volumetric Flask with PE Stopper is a Class A Boro 3.3 borosilicate glass measuring flask supplied with a polyethylene (PE) stopper for accurate solution preparation, calibration standards, and quantitative analysis.

Specs

  • Glass Type: Borosilicate Glass 3.3 (Class A grade)
  • Compliance: ISO/USP Class A certified versions available upon request.
  • Design: Precision volumetric flask with PE stopper
  • Capacity Options: 5 ml / 10 ml / 25 ml / 50 ml / 100 ml / 250 ml / 500 ml / 1000 ml / 2000 ml
  • Calibration: Class A accuracy (where applicable)
  • Stopper: Polyethylene (PE) stopper included
  • Neck: Long, narrow neck with single calibration line
  • Thermal Resistance: Excellent resistance to temperature changes
  • Chemical Resistance: High inertness to acids, alkalis, and solvents
  • Base: Stable round base for bench placement

Description

The Volumetric Flask with PE Stopper from Osmosis Scientific is a precision laboratory glassware essential for accurate solution preparation, standardization, and quantitative volumetric analysis. Manufactured from high-quality Boro 3.3 borosilicate glass, this flask provides exceptional thermal stability and chemical resistance, ensuring reliable performance in demanding analytical environments.

Each flask is carefully calibrated for precise volumetric measurements used in solution preparation, buffer formulation, and analytical dilutions. Versions conforming to DIN ISO / USP Class A standards are available upon request, ensuring dependable and reproducible laboratory performance. The long, narrow neck features a clearly defined single calibration line for accurate volume indication.

The included PE (polyethylene) stopper ensures a secure fit and minimizes evaporation or contamination of contents during storage and handling. A stable round base supports bench use and prevents tipping during preparation or analysis.

Available in a range of ml capacities from 5 ml up to 2000 ml, these volumetric flasks meet the needs of small-scale analytical labs as well as larger institutional environments requiring highly accurate measurements. The robust borosilicate construction withstands repeated sterilization and cleaning cycles without affecting measurement performance.

Ideal for pharmaceutical labs, quality control departments, research facilities, and educational environments, the volumetric flask with PE stopper delivers trusted precision and durability for everyday laboratory use.

Volumetric Flask with PE Stopper – Class A Accuracy for Precise Volume Preparation
Capacity (mL)Joint Size (NS)Tolerance (± mL)SKUEnquiry
510/190.040VF-PE-0005Enquire Now
1010/190.040VF-PE-0010Enquire Now
2010/190.040VF-PE-0020Enquire Now
2510/190.040VF-PE-0025Enquire Now
5012/210.060VF-PE-0050-12Enquire Now
5014/230.100VF-PE-0050-14Enquire Now
10012/210.100VF-PE-0100-12Enquire Now
10014/230.100VF-PE-0100-14Enquire Now
20014/230.150VF-PE-0200-14Enquire Now
25014/230.150VF-PE-0250-14Enquire Now
50019/260.250VF-PE-0500-19Enquire Now
100024/290.400VF-PE-1000-24Enquire Now
200029/320.600VF-PE-2000-29Enquire Now
500034/351.200VF-PE-5000-34Enquire Now

    Quick Product Enquiry

    We respond within 24 working hours.

    Frequently Asked Questions (FAQs)

    What is the primary use of a volumetric flask?
    A volumetric flask is a precision piece of laboratory glassware used primarily for the exact preparation of standard solutions and accurate serial dilutions. The narrow neck and single calibration mark allow users to read the meniscus with high precision, making it essential for titrations and quantitative analytical workflows.
    What quality standards do these volumetric flasks meet?
    These flasks are manufactured using high-quality Borosilicate 3.3 glass to ensure superior chemical durability and long operational life. They are designed to comply with applicable metrology standards (such as ISO or ASTM) for Class A volumetric accuracy. For any outsourced products supplied with third-party calibration certificates, the certification validity and traceability are the responsibility of the original issuing authority.
    Is it safe to heat a volumetric flask?
    While Borosilicate 3.3 glass offers superior thermal shock resistance, you should never heat a volumetric flask. These instruments are calibrated at a specific reference temperature (typically 20°C) to contain a highly precise volume. Heating the flask can cause the glass to permanently expand and ruin its accuracy. Please note that Osmosis Scientific is not liable for calibration deviations caused by physical damage, wear, or thermal/chemical exposure after delivery.
    Why does this flask come with a PE (Polyethylene) stopper instead of a glass one?
    A PE stopper provides a highly secure, leak-proof seal that is ideal for inverting and mixing standard solutions. Unlike ground-glass stoppers, PE stoppers will not freeze or get stuck in the neck of the flask when exposed to alkaline solutions, ensuring easier handling and reducing the risk of breakage during removal.
    How should I clean the flask without damaging the calibration mark?
    We recommend using mild, non-abrasive laboratory detergents and soaking protocols rather than harsh mechanical scrubbing. Abrasive brushes can scratch the interior glass, which alters the meniscus and ruins the exact volume measurement. Osmosis Scientific shall not be held liable for calibration deviations or physical damage resulting from improper handling or improper cleaning of laboratory glassware.

    1 review for Volumetric Flask with PE Stopper

    1. Vision99

      Best Place to order for my Laboratory

    Add a review

    Your email address will not be published. Required fields are marked *