Borosillicate glass filteration flask 1Ltrs

1000ml Borosilicate Glass Filtration Flask – Heavy Duty Erlenmeyer Style Vacuum Flask, No Side Arm, Lab Grade Heat Resistant (3.3 Borosilicate)

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This 1000ml Filtration Flask is engineered for professional laboratory environments requiring high thermal resistance and chemical durability. Crafted from premium 3.3 Borosilicate glass, this flask features a thick-walled design to withstand high-pressure vacuum applications and thermal shocks.

Unlike standard side-arm flasks, this version is designed for specific filtration setups or storage where a smooth, armless exterior is required. Its uniform wall thickness ensures stability during heating and prevents implosion under vacuum. Whether you are performing gravity filtration, titration, or media preparation, this heavy-duty flask is a staple for any chemistry, biology, or industrial lab.

Key Features

  • Premium 3.3 Borosilicate Glass: Superior chemical resistance against acids, alkalis, and solvents.

  • High Thermal Stability: Withstands rapid temperature changes and high heat sterilization (Autoclavable).

  • Reinforced Rim: Designed with a heavy-duty beaded rim for increased mechanical strength and secure stopper fit.

  • Permanent Graduations: Features high-visibility white enamel markings and a large marking spot for easy labeling.

  • DURABLE MATERIAL: Made from 3.3 Borosilicate glass for maximum durability and resistance to thermal shock.

  • 1000ML CAPACITY: Large 1L volume ideal for large-batch filtrations and liquid storage.

  • PROFESSIONAL GRADE: Thick walls designed for safety and longevity in school, research, or industrial settings.

  • EASY TO READ: Permanent white graduations provide accurate volume estimates at a glance.

  • CHEMICAL NEUTRALITY: High resistance to water, neutral and acid solutions, and strong concentrated acids.

Technical Specifications

Feature Specification
Capacity 1000ml (1 Liter)
Material Type 1, Class A 3.3 Borosilicate Glass
Body Style Erlenmeyer / Conical
Side Arm None (Smooth Wall)
Mouth Type Narrow Neck with Reinforced Rim
Autoclavable Yes (Up to 121°C)
Max Temperature ~500°C (Short term)

Comparison: Armless Flask vs. Standard Side-Arm (Buchner) Flask

Feature 1000ml Armless Filtration Flask 1000ml Side-Arm (Buchner) Flask
Connection Method Requires a stopper with a glass tube or a manifold system. Integrated glass side-arm for direct vacuum tubing.
Design Integrity Sleeker profile; no fragile side-arm protruding from the neck. Side-arm can be a point of breakage if mishandled.
Primary Use High-pressure manifolds, storage, or gravity filtration. Rapid vacuum filtration using a Buchner funnel.
Wall Thickness Heavy-Wall: Specifically reinforced for pressure resistance. Heavy-Wall: Specifically reinforced for pressure resistance.
Cleaning & Storage Easier to clean and stack; takes up less shelf space. Protruding arm requires careful spacing to avoid snapping.
Versatility Can be converted into a “trap” or used for general storage. Primarily dedicated to vacuum filtration setups.

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