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You are here: Home / Failure Analysis / CA Glass Expert Performs Bottle Failure Analysis

CA Glass Expert Performs Bottle Failure Analysis

June 8, 2012 By Tom Read Leave a Comment

Overview of Assembled Bottle 8X Mag.
View of Origin on Bottle 40X Mag.
View of Origin on Neck 40X Mag.

California glass expert was asked perform a glass failure analysis on numerous small cosmetic bottles. These bottles all failed where the neck intersected the shoulder of the bottle. Microscopic photos of a representative failure are given above. The glass fracture originates on the outside of the bottle and progresses inward before going around the bottle. These glass failures were found in the filling line, and the bottle manufacturer was notified. The root cause of these failures was determined to be a check (chill check?) in the neck where it intersects the bottle shoulder. This is a manufacturing defect that affects product liability.

Filed Under: Failure Analysis Tagged With: Bottle, Glass, Manufacturing Defect, Product Liability

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Read Consulting Failure Analysis

Thomas L. Read, PhD,
1435 Fulton Road Santa Rosa, CA
Phone: 707-494-5089
email: info@readconsulting.com

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Read Consulting Failure Analysis

Thomas L. Read, PhD,
1435 Fulton Road Santa Rosa, CA
Phone: 707-494-5089
email: info@readconsulting.com

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