CASTOR-OIL PENETRATION TEST FOR PAPER

1. This method is used to measure the absorbency rate of paper for printing inks having an oil vehicle.
2. The test is performed by measuring the time required for a drop of castor oil to produce a uniform translucent spot on the under side of the test specimen by permeation through the specimen.
3. The precision is affected by the type of paper, its formation, and other factors.

It Provides information on:

1. Test material
2. Test specimen
3. Conditioning
4. Keywords