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                                                                                                                                                                                                                                                                      首頁 >> 新聞資訊 >>公司新聞 >> 木材的美觀度影響消費者的購買力
                                                                                                                                                                                                                                                                      详细内容

                                                                                                                                                                                                                                                                      木材的美觀度影響消費者的購買力

                                                                                                                                                                                                                                                                      木材的使用壽命與作為一種材料使用的可持續發展密切相關。不僅濕木材在貯存、加工、運輸過程中容易發生變色、腐朽、蟲蛀,干燥后的木材在使用過程中也可能會發生腐朽、蟲蛀,導致木制品和木結構以及電桿、枕木、木樁等的使用壽命縮短。對此進行維修、更換就需要使用更多的木材,而且需二次投資,造成木材的浪費和經濟上的重復投資,這也是一種經濟損失。


                                                                                                                                                                                                                                                                      經過防腐劑加壓處理的防腐木,使木材具有防腐的功能,可使得木材的使用壽命大大延長。防腐劑 分為水載型防腐劑、有機溶劑防腐劑、油類防腐劑。油類防腐劑主要為煤焦油防腐劑,水載型防腐劑主要為銅鉻砷、銅唑、ACQ和硼化合物防腐劑。煤焦油防腐劑處理的木材多用于枕木、電桿;有機溶劑防腐劑處理多用于膠合后的細木工部件,如門框、接合件等。水載型硼化合物防腐劑處理的木材主要用于家具及室內裝修裝飾材料等。水載型防腐劑CCA、CA、ACQ處理的木材多用于建筑、室外圍欄、護欄樁柱、甲板、橋梁等。尤其值得一提的是水載型防腐劑CCA、CA、ACQ的防腐木可以防止白蟻的侵害,因此,使用防腐木也是解決我國南方建筑中白蟻危害的一種方法。

                                                                                                                                                                                                                                                                      thumb_20210106104347_647.jpg


                                                                                                                                                                                                                                                                      世界上應用最多的是CCA防腐處理,其關鍵一點事抗流失,其中銅、鉻、砷要與木材組分發生化學反應,而“固定”在木材中,使其能夠在各種環境條件下使用,且具有長期的防腐效果。有些CCA處理的防腐木材,使用壽命可達50年以上,比如Tanalith CCA和Wolman CCA。這兩種CCA加壓處理的防腐木材,可防治幼蟲、白蟻、白腐菌以及海生鉆孔蟲類的侵害,而且處理后,CCA固定在木材中,具有抗流失性,不好析出,保證了處理后的木材具有長久的使用壽命。據報道,加拿大防腐處理的電桿和棧橋的使用壽命已經達到80年以上仍然完好。

                                                                                                                                                                                                                                                                      木材的質地一般是指木材的粗細、均勻程度。木材質地的粗細,是由木材細胞的尺寸和排列方式決定的,針葉木材一般質地較細,而闊葉木材質地則從粗到細都有。

                                                                                                                                                                                                                                                                      木材圖案是指木材表面形成的圖形,是由木材細胞的尺寸和排列方式、木材紋理特征、木材心邊材的顏色變化決定的。由于角度不同,木材細胞吸收或反射光線的方式也不同,因此木材圖案也受到鋸切方式的影響。

                                                                                                                                                                                                                                                                      木材的美觀度是定性的,因人而異。不同的人,喜愛不同的顏色;同樣,不同的人,喜愛不同的紋理、不同的圖案、不同的質地。因此,雖然一些國家在木材分級標準中對顏色有統一的規定指標,但主要是對顏色的缺陷、顏色的一致性等有規定和要求。就美觀度來說,一般無法對木材做出一個統一的標準,也沒有必要對此進行統一規定,但消費者可與銷售商協商、商定。


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