PYREX 70mL Regular Weighing Bottle 40 x 80mm with External 45-12 Joint

The PYREX 1686-4080 70mL Regular Weighing Bottle is precision laboratory glassware designed for weighing drying handling and temporary containment of laboratory samples during analytical procedures. The bottle measures approximately 40mm in outside diameter × 80mm in height and provides an approximately 70mL capacity. A key feature of the PYREX 1686 series is its short-length external Standard Taper joint. For this model the bottle uses an external 45/12 joint, with the glass closure fitting over the externally ground upper portion of the bottle. This configuration provides a covered reusable glass vessel suitable for analytical chemistry gravimetric analysis pharmaceutical QC sample preparation and general laboratory applications. Key Features Genuine Corning PYREX® Catalog number 1686-4080 70mL capacity 40 × 80mm nominal dimensions Regular / standard-form weighing bottle External 45/12 Standard Taper joint Short-length external joint design Over-fitting glass closure Cylindrical configuration Borosilicate glass construction Designed for analytical sample weighing Suitable for gravimetric procedures Suitable for sample drying and handling Reusable Non-sterile Specification Details Brand PYREX® Manufacturer Corning Catalog Number / MPN 1686-4080 Series 1686 Product Type Laboratory Weighing Bottle Form Regular / Standard Capacity 70mL Outside Diameter 40mm approx. Height 80mm approx. Size 40 × 80mm Material Borosilicate Glass Shape Cylindrical Joint Size 45/12 Joint Type Standard Taper Joint Configuration External Joint Length Short Length Closure Over-Fitting Glass Closure Reusable Yes Sterile No