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Brimful capacity vs Standard capacity

Brimful capacity

Brimful capacity of a jar or bottle is the maximum capacity of the container to hold liquid. It also called overflow capacity.

Brimful capacity of a jar with metal lug cap or screw cap have the capacity to hold liquid until the very top (or brim) of the jar or bottle.

Some of the jars e.g. pressed jar have different meaning for brimful capacity because it requires space for the cap to be placed within the jar when it is capped on. Therefore the brimful capacity is the maximum capacity that includes caps to be placed into jars and not to the brim level of the jar.

Brimful capacity jar water level

Standard capacity

Standard capacity is a normal volume for commercial use and it is normally up to the shoulder level of a jar or bottle.

How are these measurements useful, you may ask? Imagine you are reviewing a 320ml glass bottle but would need a bottle to fill 300ml of liquid inside. So the standard capacity is only 280ml. But if the bottle’s technical drawing states the bottle has an actual overflow capacity of 320ml, you can potentially fill 300ml of liquid in this “320ml” glass bottle without any issue.

Be careful, however, as these measurements are actually two very different numbers, and if they are confused, can lead to incorrect fill of your bottle and error in label claim.

Standard capacity jar water level

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