100mm Laboratory Glass Funnel (Borosilicate 3.3)

The Apex Labs 100 mm Laboratory Glass Funnel is an essential staple for any professional, educational, or industrial laboratory, supplied through Apex Labs. Crafted from high-grade, heat-resistant Borosilicate 3.3 glass, this funnel is engineered for the rapid, safe transfer of liquids and fine powders into flasks, beakers, or bottles. Its heavy-wall construction ensures exceptional durability against mechanical stress, while the precision-ground rim and uniform 60-degree slope provide optimal flow rates for gravity or vacuum filtration workflows.

Product Specification & Direct Ordering

Technical Specifications

• Top Diameter: 100 mm
• Material Composition: Borosilicate 3.3 Glass
• Stem Length: $\sim 100\text{ mm}$ (Standard short stem)
• Cone Angle: $60^\circ$ Analytical Slope
• Thermal Resistance: Up to $500^\circ\text{C}$ (High thermal shock resistance)
• Chemical Resistance: Class S1 (Acids), Class A1 (Alkalis)
• Wall Construction: Heavy-duty uniform walls
• Brand & Supplier: Apex Labs, Varanasi, Uttar Pradesh

Laboratory Glassware Range

Technical Material & Performance Highlights

• High-Grade Borosilicate Glass: Exceptional resistance to thermal shock and chemical corrosion; safe for use with strong acids, alkalis, and high-temperature reagents.
• Precision 60° Angle: Designed with the standard analytical 60-degree slope to ensure a snug, flawless fit for folded filter paper, maximizing filtration speed and efficiency.
• Fire-Polished Rims & Stems: Features smooth, fire-polished edges to prevent chipping during handling and enhance user safety during routine cleaning and lab transfers.
• Short Stem Design: Engineered to reduce liquid clogging and facilitate faster, smoother fluid flow during routine laboratory transfers.
• Autoclavable: Can be repeatedly sterilized in an autoclave without degrading structural integrity, optical clarity, or chemical resistance.

Primary Sector Applications

• Sample Filtration: Pairing with filter paper for gravity or vacuum-assisted separation of solid precipitates from liquid solutions.
• Liquid & Powder Transfer: Safely channeling chemical reagents, solvents, and dry powders into narrow-necked volumetric flasks and bottles.
• Educational Laboratories: Essential glassware component for chemistry teaching laboratories and school science demonstrations.
• Industrial Quality Control: Routine testing, sample preparation, and chemical processing across manufacturing facilities.