A Study of Test Methods for the Purpose of Developing Standard Specifications for Paper Bags for Cement and Lime (Classic Reprint)

Bücher

Angebote / Angebote:

Excerpt from A Study of Test Methods for the Purpose of Developing Standard Specifications for Paper Bags for Cement and LimeThis technolog'ic paper contams inform'a'tioni 're'latiiig to the methods of testing and' the apparatus e'mployed' 111 determining the quality of pap'e'r bags fo'r lime and cement, A brief description 1s given of the ordinary tests performed on paper, such as weight in pounds of the standard size ream 2 5 X4o 500, bursting strength in points, tensile strength? In kilogi ams, stretch in centimeters, fol'ding endurance 1n number of double folds, percentage of fiber composition, percentage of ash, and percentage of rosin siz1ng.a Special test is developed 'for giving numerically the stresses and strains that the paper of these ba'gs undergo m service. This test 13 Called a resiliency or endurance test. -a service test is also given to determine the breaking strength of the paper when the bags are filled and dropped. A comparison is made of the results of this test 'with the results of the above resiliency test. Another service testis develi oped foi' determinining the strength of the adhesives used in these bags. The results of all. These tests are tabulated, and from these data the vei best quality bags are chosen In the conclusions, Special consideratign is given this choice of best bags 111 deter.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.