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                                          防腐木廠家的防腐木品質鑒定

                                          來源:http://www.depatieguillot.com 時間:2021-07-22

                                          一般情況下除了一些少量天然防腐的木材外,目前業界把真空加壓處置的針葉木材叫做防腐木,它能在自然環境下使用壽命達20-50年;有些使用其它辦法,如涂刷,浸泡等都屬治標不治本,不能到達真實防腐的效果;
                                          In general, in addition to a small amount of natural preservative wood, the industry now calls the vacuum pressure treated coniferous wood preservative wood, which can be used in the natural environment for 20-50 years; Some use other methods, such as brushing, soaking and so on, which are temporary but not permanent, can not achieve the real anti-corrosion effect;
                                          區別辦法:用烘干材加壓處置的鋸開后,邊材有些防腐劑會浸透85%-100%(但油材和心材浸透會比擬艱難);濕材直接加壓處置的木材鋸斷后,斷面部份50%以上呈現木材本性(50mm以上尤為嚴峻),不能有用浸透木材細胞內,而涂刷浸泡僅僅相似的上色作用不能稱之為真實防腐木;ACQ加壓木材呈深綠色,CCA加壓木材呈灰綠色。
                                          Difference method: after sawn by drying wood pressure treatment, some preservatives of sapwood will be soaked 85% - 100% (but oil wood and heartwood will be more difficult to soak); After sawing, more than 50% of the cross-section of wet wood treated by direct pressure presents the nature of wood (especially when the cross-section is more than 50 mm), and it can not be used to soak the wood cells, but the similar coloring effect of brushing and soaking can not be called real preservative wood; ACQ pressure wood is dark green, CCA pressure wood is gray green.
                                          值得注意的是,國內大有些的工廠在選材上會選用不烘干的板材去做防腐,主要原因:
                                          It is worth noting that some domestic factories choose non drying plates for anticorrosion in material selection
                                          一,國家沒有強令規范出臺
                                          1、 The state has not imposed any regulations
                                          二,公司無窯干設備,亦無窯干這個概念。
                                          2、 The company does not have kiln drying equipment or the concept of kiln drying.
                                          三,加速出產周期。
                                          3、 Speed up the production cycle.
                                          四,少一道工序能夠下降許多本錢。
                                          4、 One less process can reduce a lot of cost.
                                          五,國內有些設計單位跟行業嚴峻脫節,設計出一些非標著作,工程方又沒有訂購習氣,交貨時刻往往十分短促,為了投合此類客戶致使了一些工廠偷工減料,簡化出產流程以此取得訂單;
                                          5、 Some domestic design units are seriously out of touch with the industry, designing some non-standard works, and the engineering side has no habit of ordering, so the delivery time is often very short. In order to meet such customers, some factories cut corners and simplify the production process, so as to obtain orders;
                                          簡化出產流程直接結果即是防腐木內涵質量得不到保證,施工后外觀就會呈現嚴峻開裂、翹曲、大幅縮水及木材發黑乃至迂腐表象
                                          The direct result of simplifying the production process is that the connotation quality of the preservative wood can not be guaranteed, and the appearance will show severe cracking, warping, large shrinkage, blackening and even pedantic appearance after construction
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