WHEN DID THE PRODUCTION OF HOLLOW OBJECTS ACTUALLY BEGIN?
Since we are speaking about products to produce hollow objects, the answer to you question can be found in ancient civilization. When early explorers landed in the “New World”, they noticed that the natives poured the milk of “weeping trees” into clay formers to build up layers of this milk of the weeping tree. The natives then broke the formers and retained the “rulling” material that was formed. These formers were actually used to produce water bottles or to waterproof cloth. In the 1800’s, the industry turned to Peaster of Paris to make hollow objects out of rubber. The 1880’s added another dimension to the production of hollow objects by using fillers to harden the latex. In addition to SP-100, Cementex compounds L-200 casting compound and #64 filler so that you may vary the degree of hardness.
