| http://www.w3.org/ns/prov#value | - A general process for producing extruding materials comprises adding a small amount of a tackifier (e.g. methyl cellulose etc.) to a matrix material chiefly comprising a hydraulically setting material such as cement to impart viscosity, further adding 20-30% by weight of asbestos fibers of a grade with a shorter fiber length to impart moldability and reinforcement, mixing under dry conditions, the
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