from group II. For example, a puncture resistance (Beach) of not less than 40 units; a tensile strength of not less than 30 pounds per ... three of these seven will be eliminated by the second requirement; two of the remaining four, by the third requirement; and the remaining two, by the fourth requirement. ... For this reason, it is not very desirable to use tearing resistance in a specification if it can be avoided.
|Title||:||Development of Standards for Flexible Caselining Materials|
|Author||:||Bourdon Walter Scribner, Frederick Thomas Carson, Charles Gould Weber|