What Is Filter Paper or Blotting Paper?

Written by gina stewart
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What Is Filter Paper or Blotting Paper?
Coffee filters are just one type of filter paper. (coffee filter art image by robert mobley from Fotolia.com)

There are combination filter blotting papers that laboratories use when working with certain liquid products. Then there is blotting paper individuals can use for crafts or with a fountain pen; and filter paper that will strain out small particles.

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Combination Filter Blotting Paper

Most filter blotting paper is thick and comes sterilised so a scientist, chemist or lab technician can work without contaminants in their samples. These types of combination paper are used for separating blood cells and other fluids to count and study what remains on the paper. These papers are thick, but they can be cut with a razor for craft projects.

Blotting Paper

Blotting paper is typically used after writing with a freshly filled ink pen such as a fountain pen. The paper absorbs the excess ink so the signature or written words are neat and not smeared.

Blotting paper can be used to help when making a flower press. The absorbent blotting paper will take the moisture out of the flowers and help them dry without making them too brittle to work with or drain their colour. Blotting paper is also good for rubber stamping crafts for homemade greeting cards or prints to hang on a wall.

Filter Paper

Filter paper is a paper made from various chemicals and sometimes a mixture of rags. Its selectivity and filtration rate are dependent on the size of the pores.

Young people who like to make crafts can work with filter paper or coffee filters to make many different craft items.

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