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紙豆腐為什麼不能包覆空氣?



在手工造紙要使用竹簾,竹簾的特性是可以折成90度,當師傅在決定紙張厚度之後,會將含水量很多的紙放置於置紙板上,當他第一張置紙時,在置紙板上舖了一張塑膠網或布或草蓆等,這些覆蓋物須淋上水,此時濕紙上上去時能利用毛細作用,讓水份子的結合將竹簾上的紙吸附於覆蓋物上,那麼第二張完成的紙就吸附於第一張紙上,如此一直重覆置紙,形成所謂的紙豆腐。


在重覆置紙過程,竹簾須折成90度的角度,是因為紙豆腐的表面如有異物或空氣形成較高的點,紙張放上去時較高的點會讓紙豆腐的紙與竹簾上的紙槳接觸,那麼高點周圍的紙會無法接觸,而無法毛細現象,順利的讓竹簾上的紙吸附於紙豆腐上,而竹簾掀起它還附著於竹簾上,這一張紙就破掉了,所以竹簾置紙時要折成90度是為防止紙面有空氣泡產生,師傅在抄紙時,如紙面上有雜質,需用鑷子夾起,夾起的地方有破洞要修補,如此紙面同高,氣泡就不會產生,如在置紙時在紙豆腐表面形成氣泡,需用很細的吸管,用嘴巴將氣泡內的空氣吸出來,這樣才不會影響下一張紙的操作。

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廣興紙寮創立於1965年,是台灣僅從三間手工紙廠之一。廣興探索傳統造紙工藝「文化保存」與「永續創新」間的平衡。

 

藝術家、博物館生產的高級藝術、書畫與修復用紙是我們的根,也為各單位將剩餘資源轉換成能代表個地人文故事與歷史背景的特殊紙張。

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