Tear Strength DIN ISO 34

ISO 34-1:2004 specifies three test methods for the determination of the tear strength of vulcanized rubber, namely




1. Method A, using a trouser test piece;
2. Method B, using an angle test piece, with or without a nick of specified depth;
3. Method C, using a crescent test piece with a nick.
Method A, using the trouser test piece, is preferred because it is not sensitive to the length of the cut, unlike the other two test pieces in which the nick has to be very closely controlled Variance of test results is extremely high: Trouser specimen exhibits a repeatability of 45% and a reproducibility of 72%. Angle Specimen got 28% and 60% respectively, not much of an improvement.

You are not allowed to view links. Register or Login

You are not allowed to view links. Register or Login