5, dragon spruce - deal - fir (SPF)

SPF grows slow, lumber fiber grain is close, knag is small, have after stoving fight outstandingly cave, fight curve function, intensity and hemlock are similar, the intensity that plants than major cork is high, and paint easily and coloring. The stability of the product is taller, and exterior treatment is careful.

6, Chinese hemlock

Chinese hemlock is the most refined, use is the at present most extensive tree on North America market is planted. In intensity respect, slightly under Huang Song, suit to do anticorrosive processing quite. Course pressurization is anticorrosive the Chinese hemlock lumber of processing already beautiful bear fruit again, can and natural and durable North America red cedar are rivalled. Chinese hemlock can maintain steady pattern and measure, won't appear contractive, expand, warp or twist, and fight suntan. The metropolis after almost all lumber passes long-term insolation blackens, but Chinese hemlock can be in still keep new after insolation all the year round the colour and lustre when curiuming. Chinese hemlock has the very powerful force that grasp a hammer and superior agglutinate performance, can accept all sorts of surface coating, and special wear-resisting, it is to suit outdoors the economy of all sorts of utility lumber.



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