Why fluid viscosity and ball-seat tolerances determine roller bottle reliability

05/01/2026 131

The engineering of a roll on bottle is a study in precision-managed leakage. Unlike a standard bottle that remains sealed until the cap is removed, an essential oil roller bottle must maintain a partial seal even during use. The "roller" is essen...

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Why the Boston Round remains the gold standard for precision packaging

03/01/2026 133

The Boston Round is not merely a design choice; it is a structural solution to the challenges of internal pressure distribution and chemical stability. Characterized by its cylindrical body and rounded shoulders, this specific geometry has domina...

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