| http://www.w3.org/ns/prov#value | - For example, in a case where the length of the cylindrical peripheral surface is 45 mm, and when treating thermoplastic resin which is relatively hard to decomopose such as polyethylene, polypropylene, the cylindrical annular gap 33 is about 4-10 mm; in treating relatively soft vinyl chloride resin, the gap is 6-10 mm; for hard vinyl chloride which is easily decomposed, 10-15 mm.
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