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原帖由 niceiceman 於 2013-5-8 10:26 發表 Celluloid is the combination of a relatively low nitrate level nitro cellulose and camphor. The camphor is what you smell when you break open a ball. Cellulose fibers are used to make nitrocellulo ...
原帖由 bond 於 2013-5-9 00:40 發表 賽路珞就是樹脂吧? 起碼是天然的, 對生態的危害性遠不及人工合成品合塑膠大吧?