…It is mainly made by breaking down wood fibers and molding them into boards, and is also called fiberboard. According to the JIS, products are classified by their specific gravity, with those with a specific gravity of 0.8 or more being called hardboard, those with a specific gravity of 0.4 or more but less than 0.8 being called semi-hardboard, and those with a specific gravity of less than 0.4 being called insulation fiberboard. Hardboard is made by adding a small amount of phenolic resin to wood fibers and molding them under heat and pressure. It is strong and can be easily subjected to secondary processing such as bending and drilling, and is used in construction, furniture materials, electrical equipment, and automobile parts materials. … *Some of the terminology referenced in "insulation fiberboard" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…主として木材を解繊し,これを成形して板状にしたもので,繊維板とも呼ばれている。JISによれば,製品の比重によって分類されており,比重0.8以上のものをハードボード,0.4以上0.8未満をセミハードボード,0.4未満をインシュレーションファイバーボードと規定している。ハードボードは,木材繊維に少量のフェノール樹脂を加えて熱圧成形したもので,強度が高く,曲げ,穴あけなどの二次加工が容易にでき,建築,家具材料,電気機器,自動車部品材料などに用いられている。… ※「インシュレーションファイバーボード」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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