We need a liquid limit tester!
$515 raised
103% of $500 goal
12 contributors
0 days left
Ended Mar 12, 2014
We need your help to buy an ASTM liquid limit test kit!  One of most important factors in making ceramic water filters is the clay from which they are formed. PWB technicians identify the specific qualities in natural clays to know if they will ...

We need your help to buy an ASTM liquid limit test kit! 

One of most important factors in making ceramic water filters is the clay from which they are formed. PWB technicians identify the specific qualities in natural clays to know if they will make reliable filters. The liquid limit test (or Atterberg test) is a simple, reliable way to quantify certain physical properties. This test, along with the Particle Distribution Analysis test are the two main criteria by which a clay is measured to know if it can be useful for making filters. Preforming these simple tests beforehand can save hundreds of hours of labor and a lot of wasted money spent on making sample filters only to find out the clay source was not of reasonable quality. We have a large backlog of samples from factories around the world that could benefit greatly from this data.

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