filtration aid in a sentence

1. It is used as a filtration aid, mild abrasive in products including metal polishes and toothpaste, mechanical insecticide, thermal insulator.
2. In the construction and manufacturing fields, it is used in lightweight plasters, concrete and mortar ( masonry ), filtration aid and is used extensively as an alternative to diatomaceous earth.
3. It's difficult to find filtration aid in a sentence.