Laboy Glass Powder Funnel 75mm Top O.D. with 24/40 Joint - Heavy Wall Borosilicate 3.3 - Universal Standard Fit for ASTM E438 Flasks - High Precision Lab Glassware

Laboy Glass Powder Funnel 75mm Top O.D. with 24/40 Joint - Heavy Wall Borosilicate 3.3 - Universal Standard Fit for ASTM E438 Flasks - High Precision Lab Glassware

• INTERCHANGEABLE WITH TIER-1 BRANDS: Precision-ground to strict US tolerances. Customers verify exceptional fit and vacuum integrity even when paired with premium industry-standard glassware like Chemglass, Ace Glass, and Corning. Get the professional reliability of top-tier brands at a fraction of the cost.
• SCIENTIFICALLY ACCURATE THERMAL SPECS: Made of authentic Borosilicate 3.3 Glass. Annealing Point 560 degrees Celsius, Softening Point 820 degrees Celsius. Engineered to withstand rapid thermal shock and direct heating better than standard soda-lime or generic laboratory glass.
• CLOG-FREE POWDER TRANSFER: Features a scientifically optimized 60-degree angle and wide-bore short stem design. Allows sticky powders and viscous reagents to flow freely into your reactor without bridging or blocking the joint. 75mm top diameter offers a balanced opening for general lab use.
• HEAVY-DUTY DURABILITY: Features a reinforced rim and heavy-wall construction. Designed to survive the daily rigors of a busy lab, reducing breakage rates compared to standard thin-wall funnels. Meets ASTM E438 specifications for professional laboratory use.
• OPTIMIZED SYSTEM PERFORMANCE: While compatible with all brands, this funnel is the Gold Standard match for Laboy Flasks. Users report that maintaining a single-brand ecosystem significantly reduces the risk of frozen joints or vacuum leaks often caused by mixing manufacturers with varying quality controls.