A quick aside so we don’t anger the technically inclined and simply incensed: it’s unwieldy to test actually water resistant fabrics in this process, when you would need a very extensive tube (some coated fabrics can exceed 10,000mm, which interprets to a 32-foot 9¾-inch tall h2o column). Polyether urethane is https://tent-cloth94949.blognody.com/29852166/detailed-notes-on-tent-material-fabric