Show fiber for steam pipes are made of ramie fiber hardened under tre mendo i hydraulic pressure and possessing a tensile strength equal toivo and one half times that of steel tho ramie fiber or china grass has the arci erty of being unaffected by moisture it will not shrink nor swell it ia a nonconductor of heal it cannot rust and these features to etLar with its great strength are all desirable in steam pipes its utilization in this line regarded therefore aa one of the possibilities of the future new yoa sun |