| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce the influence on air pollution or global warming when a masking material is incinerated by decreasing the use quantity of a thermoplastic resin material in the masking material and the treating quantity of waste of the masking material. <P>SOLUTION: The masking material 1 is composed of a thermoplastic resin foamed body and has an insert part 3 corresponding to a hole part or a recessed part 2 of an object to be protected and an circular opening part 6 formed with a prescribed thickness T from the outer periphery. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
