Volumes: Overflow & Fill Line
| Sample Type | Required Quantity | Equipment Used |
| Bottles | 12 |
Top Load Balance Height Gage |
Purpose
This procedure is used to determine the overfill (brimful) and fill line
volume of each container in a set. This test can be used for either
statistical information like average and standard deviation numbers or
can be used to obtain mold specific information. Our typical test is
either 12 samples chosen at random from a full mold round or it could be
one container from each blow mold cavity.
Description
The overfill and fill line volumes are determined on twelve containers.
Overfill is simply filling the container to a level equal to the top of
the finish of the container. The typical methods for measuring fill line
volume are: 1. Filling the container to a specific height and measuring
the volume at that point. 2. Filling the container with a specific
volume of water and measuring the height of the liquid and comparing it
to the target height. The weight of the water at these two points is
used to calculate the volume of the container by dividing the weight by
the density of water at the recorded temperature.
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