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防腐木厂家的防腐木品质鉴定

来源:http://www.jnajgc.com 时间:2021-07-22

一般情况下除了一些少量天然防腐的木材外,目前业界把真空加压处置的针叶木材叫做防腐木,它能在自然环境下使用寿命达20-50年;有些使用其它办法,如涂刷,浸泡等都属治标不治本,不能到达真实防腐的效果;
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;
区别办法:用烘干材加压处置的锯开后,边材有些防腐剂会浸透85%-100%(但油材和心材浸透会比拟艰难);湿材直接加压处置的木材锯断后,断面部份50%以上呈现木材本性(50mm以上尤为严峻),不能有用浸透木材细胞内,而涂刷浸泡仅仅相似的上色作用不能称之为真实防腐木;ACQ加压木材呈深绿色,CCA加压木材呈灰绿色。
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,国内大有些的工厂在选材上会选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,国家没有强令规范出台
1、 The state has not imposed any regulations
二,公司无窑干设备,亦无窑干这个概念。
2、 The company does not have kiln drying equipment or the concept of kiln drying.
三,加速出产周期。
3、 Speed up the production cycle.
四,少一道工序能够下降许多本钱。
4、 One less process can reduce a lot of cost.
五,国内有些设计单位跟行业严峻脱节,设计出一些非标著作,工程方又没有订购习气,交货时刻往往十分短促,为了投合此类客户致使了一些工厂偷工减料,简化出产流程以此取得订单;
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;
简化出产流程直接结果即是防腐木内涵质量得不到保证,施工后外观就会呈现严峻开裂、翘曲、大幅缩水及木材发黑乃至迂腐表象
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