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Message: <blockquote data-quote="Pug}{maN" data-source="post: 6740140" data-attributes="member: 619705">i have seen it done, they get it wet with something (chemical mix) till its flexible, then shape it to whatever.... just like drywallMDF, or medium density fibreboard, is a common replacement for wood. It is usually manufactured as flat sheets, and is a stiff, rigid, inflexible material that is difficult to bend into the sort of complex shapes often required. It has now been found that by impregnating MDF with ammonia (used in anhydrous - that is to say, dry gaseous - form) the MDF can be made relatively plastic, and in its plasticised state can quite easily be pressed or bent into almost any shape required.<a href="http://www.wipo.int/pctdb/en/wo.jsp?wo=1993019910" target="_blank">http://www.wipo.int/pctdb/en/wo.jsp?wo=1993019910</a></blockquote>

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