ISO 6836:1983

Surface active agents — Mercerizing agents — Evaluation of the activity of wetting products for mercerization by determination of the shrinkage rate of cotton

The test is carried out in the following way: Immersion in the liquor containing the agent being studied of a hank of smooth cotton held by a hook and with a load fixed on the end of it. determination of the shrinkage of the hank at different intervals of time using one of the tow pieces of apparatus described.