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Standard: |
TAPPI |
Method: |
TAPPI T 462 |
Title: |
Castor-oil penetration test for paper |
TAPPI T 462 Castor-oil penetration is a Classical Method used to measure the absorbency rate of paper for printing inks having an oil vehicle. It is normally used only for easily permeable papers such as news, book, and mimeograph; however, it can be helpful for any paper where the absorbency of an oil based vehicle is important.
A correlation has been established between the results of this test and the printing quality of uncoated papers using printing inks having an oil vehicle. The oil absorbency of paper is related to the air permeability, basis weight, caliper, and internal structure of the paper.
Ten sheets of paper are required for this test.
SGS-IPS cannot sell or otherwise provide standards, specifications, or test procedures to third parties.