|
A mold is a hollow shape which exactly encloses the shape of a desired object. The object is usually created by pouring a liquid into the mold and allowing it to solidify: typical liquids include molten metal or plastic, plaster of Paris, epoxy resin. Molds generally divide into two classes: solid or flexible. There are five different types of flexible mold compounds in significant use today. ==Hot-Melt== polyvinyl chloride * inexpensive, worn molds can be melted and recast. * hazardous to handle due to high temperatures required for melting. * use limited to model and pattern materials that are heat resistant. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「flexible mold」の詳細全文を読む スポンサード リンク
|