石(shi)材(cai)出現(xian)銹斑問題，基本上會(hui)分為石(shi)材(cai)的(de)(de)(de)內部(bu)遭受到(dao)的(de)(de)(de)石(shi)材(cai)傷(shang)害，或(huo)者是(shi)石(shi)材(cai)表(biao)面(mian)遭受到(dao)外部(bu)的(de)(de)(de)傷(shang)害.如(ru)果是(shi)單純的(de)(de)(de)在表(biao)面(mian)出現(xian)銹斑跡象，花崗巖火燒(shao)板顏色，那(nei)就是(shi)在儲(chu)存，運輸，安裝(zhuang)石(shi)材(cai)的(de)(de)(de)過程中(zhong)接(jie)觸到(dao)了生(sheng)銹的(de)(de)(de)鐵質(zhi)(zhi)品，這些(xie)物質(zhi)(zhi)在未來接(jie)觸到(dao)水分，與空(kong)氣中(zhong)的(de)(de)(de)二(er)氧化碳產生(sheng)反應(ying)，就會(hui)在讓表(biao)面(mian)局部(bu)變色，也就是(shi)我們(men)所說的(de)(de)(de)五蓮花路緣(yuan)石(shi)表(biao)面(mian)銹斑現(xian)象。

芝(zhi)麻(ma)灰石(shi)材(cai)(cai)(cai)會經(jing)常發(fa)(fa)生(sheng)(sheng)那種由內(nei)而外石(shi)材(cai)(cai)(cai)銹斑，火燒板花崗巖(yan)規(gui)格(ge)尺寸，因為石(shi)材(cai)(cai)(cai)內(nei)部是含有一(yi)定比例成(cheng)分(fen)的鐵物(wu)質在石(shi)材(cai)(cai)(cai)內(nei)部，當石(shi)材(cai)(cai)(cai)等石(shi)材(cai)(cai)(cai)和(he)外界鐵物(wu)質和(he)水分(fen)發(fa)(fa)生(sheng)(sheng)接觸發(fa)(fa)生(sheng)(sheng)反(fan)應(ying)以后，石(shi)材(cai)(cai)(cai)就會發(fa)(fa)生(sheng)(sheng)氧化反(fan)應(ying)，生(sheng)(sheng)成(cheng)水銹從而隨著石(shi)材(cai)(cai)(cai)表(biao)面的石(shi)孔溢出表(biao)面，把表(biao)層也捎(shao)帶著一(yi)起污染。

選(xuan)購芝(zhi)麻(ma)(ma)灰(hui)火(huo)燒(shao)板(ban)(ban)要(yao)關(guan)注(zhu)的(de)天(tian)然(ran)色澤，不能顧數量而忽(hu)質量，一定要(yao)選(xuan)同花色，同紋路，同款式。 除(chu)(chu)查是(shi)否(fou)有(you)破(po)邊(bian)角(jiao)狀(zhuang)況，要(yao)認真看(kan)芝(zhi)麻(ma)(ma)灰(hui)火(huo)燒(shao)板(ban)(ban)上是(shi)否(fou)有(you)裂紋，有(you)的(de)話要(yao)選(xuan)出來，用(yong)心挑(tiao)(tiao)。 無論選(xuan)是(shi)不是(shi)天(tian)然(ran)石頭，不能忽(hu)視這些(xie)細節。?芝(zhi)麻(ma)(ma)灰(hui)板(ban)(ban)材(cai)可(ke)分(fen)天(tian)然(ran)和(he)人(ren)造兩類(lei)，天(tian)然(ran)芝(zhi)麻(ma)(ma)灰(hui)板(ban)(ban)材(cai)抗壓(ya)高，色澤多彩，但布局(ju)不勻;芝(zhi)麻(ma)(ma)灰(hui)板(ban)(ban)材(cai)物理性(xing)好(hao)，腐蝕性(xing)強，四(si)公分(fen)花崗巖火(huo)燒(shao)板(ban)(ban)尺寸，但價格(ge)高；而人(ren)工芝(zhi)麻(ma)(ma)灰(hui)板(ban)(ban)材(cai)有(you)的(de)是(shi)用(yong)劣質礦上選(xuan)購的(de)原料(liao)做(zuo)成的(de)，價格(ge)低(di)，性(xing)能不好(hao)，花崗巖火(huo)燒(shao)板(ban)(ban)，易(yi)生(sheng)微縫(feng)。選(xuan)芝(zhi)麻(ma)(ma)灰(hui)板(ban)(ban)材(cai)時，除(chu)(chu)查是(shi)否(fou)有(you)裂紋等(deng)，挑(tiao)(tiao)硬度大的(de)，特別(bie)要(yao)注(zhu)意(yi)石頭的(de)厚平整(zheng)度等(deng)。

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有(you)些(xie)芝(zhi)麻灰(hui)火燒板因為(wei)本(ben)身含(han)水量過高，容易出現裂紋，這種情況就需要做(zuo)回(hui)溫處理，一(yi)般回(hui)溫到5-40℃之間，將水分烘干就可(ke)以了。定期清理芝(zhi)麻灰(hui)火燒板表面(mian)的(de)灰(hui)塵(chen)。可(ke)能有(you)人會(hui)有(you)疑問，灰(hui)塵(chen)難道也會(hui)對芝(zhi)麻灰(hui)板材造成損害嗎？這個是肯定的(de)，不要小看了灰(hui)塵(chen)的(de)腐蝕作用(yong)。大面(mian)積的(de)建議使用(yong)灑(sa)(sa)水車噴灑(sa)(sa)，然后用(yong)干凈的(de)棉布擦(ca)拭就可(ke)以了。

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