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Status : Active
Standard Type : Main
Document No : ISO 6388:1989
Document Year : 1989
Pages : 8
Edition : 2
Section Volume : Surface active agents (ISO/TC 91.)
Flow properties of a newtonian or non-newtonian test portion are determined by means of a specified rotational viscometer, which will allow, for the newtonian products, the simultaneous measurements of the shear rate at which the determination is carried out, but for the non-newtonian products, possible measurement of various apparent rates of shear used for the determination.