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如何甄别市场上防腐木材的质量?

来源:http://www.jnajgc.com 时间:2020-08-19

防腐木材目前还是个比较新的产品,对于刚刚接触的消费者来说如何甄别他们的质量确实是个难题,这里给出一个方法可以帮助客户用简单的方法做出自己的选择。
Preservative wood is still a relatively new product at present. It is a difficult problem for consumers who have just contacted how to identify their quality. Here is a method that can help customers make their own choices with simple methods.
甄别菠萝格防腐木材质质量的简单方法(不糠为好)从直观上看,木材年轮越细密材质一般就越好,因为年轮细密说明木材生长缓慢,简单说从切面看上去不那么糠的木材应该是较好的木材。
A simple method to identify the quality of pineapple preservative wood (no bran is better) intuitively, the finer the wood ring is, the better the material is generally. Because the tree ring density indicates that the wood grows slowly. In short, the wood with less bran in section should be better wood.
甄别木材加工质量的方法(规格统一,误差小,加工质量好)可以首先从木材整体上看是否规格正确而且整齐没有太大误差一般较薄的板材误差应小于0.5-1mm;较大规格的料的整体误差也不应大于2mm.一般通过生产线下的料,规格整齐基本没有误差.而手工加工的料则有较大误差,会造成施工难度。此外,对于刨光料,则还需看一下表面刨光的质量。平滑自然的为好。
The method to identify the quality of wood processing (uniform specifications, small error, good processing quality) can first be seen from the wood as a whole whether the specification is correct and neat, and there is no big error. Generally, the error of thinner plate should be less than 0.5-1 mm; the overall error of larger size material should not be greater than 2 mm. Generally, through the material under the production line, the specification is neat, and there is no error Large error will cause construction difficulty. In addition, for planing material, it is necessary to see the quality of surface planing. Smooth and natural is better.
3. 甄别木材防腐剂稳定性的方
3. How to identify the stability of wood preservatives
(浸泡水的颜色变化最小的,防腐剂稳定性好)取不同防腐木材的样块 (规格相同、含水率相同),分别浸泡在相同温度,相同容积的清水中,经过相同的浸泡时间后,观察水的颜色,颜色变化最小的,应该是防腐剂稳定性最好的.这不是一个绝对准确的方法,因为处理时的防腐剂浓度也可能差异较大.木材经过防腐处理以后,由于使用不同防腐剂本身的稳定性差别较大,加压处理后,其在木材中的稳定性也有较大差别,使用质量不过关的防腐剂,对木材的防腐性能没有太大改善,相反会造成重大潜在的危害。

(the one with the smallest color change in the soaking water, the better the preservative stability) take the samples of different preservative wood (with the same specifications and the same moisture content) and immerse them in the water with the same temperature and volume. After the same soaking time, observe the color of the water. The one with the least color change should be the one with the best preservative stability, Because the preservative concentration may also vary greatly. After preservative treatment, because the stability of different preservatives varies greatly, after pressure treatment, the stability of wood is also greatly different. The use of preservatives with poor quality will not greatly improve the preservative performance of wood, on the contrary, it will cause great potential harm.
4. 甄别木材防腐加压处理质量的方法(边材充分浸入防腐剂,表面干净均匀为好)就欧洲赤松而言,从木材切面上看,防腐剂全部浸入边材的质量为好,因为该树种的心材部分具有天然耐久性。但是其他多数树种一般应全部浸
4. The method to identify the quality of wood preservative pressure treatment (sapwood fully immersed in preservative, clean and uniform surface is good) as far as Pinus densiflora is concerned, the quality of preservative completely immersed in sapwood is good, because the heartwood part of this tree species has natural durability. However, most other tree species should be soaked completely