Testing                                                                                        Resistance of Writing Papers to Feathering

Resistance of Writing  Papers to Feathering

General

For carrying out a quick performance test for resistance to feathering, write on the surface of a test piece with a latem pattern nib and blue-black superior writing ink (conforming to IS: 222-1962). For testing papers which have to stand erasure, such as ledger papers, repeat this test on the same spot after ensuring the original writing. Examine the edges of the writing for definition. The presence or absence of feathering (the Irregular spread of ink on either side of the written line) shall be reported. It is indicative of the quality of the sizing.

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