The 90x240mm specimen jar is a standard size for laboratory and scientific display, typically manufactured in China from high-quality borosilicate glass. These jars are used for preserving and displaying biological samples in research, teaching, and medical settings.
Key Specifications & Features
- Material: Usually made from borosilicate 3.3 glass, known for its chemical resistance and heavy wall thickness.
- Closure: Most models include a ground-in glass stopper with a knob to ensure an airtight seal for sample preservation.
- Design: Cylindrical form with a wide mouth (nearly the full diameter of the jar) for easy insertion of large specimens.

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