There is a great difference between heartwood and sapwood of Babel tree. Sapwood has low strength, rough structure and poor material quality, but it can be used as matchsticks. The heartwood material is good and hard, and can be used as doors and windows, beams and furniture. It has good corrosion resistance and is not easy to deform and crack.
Wood is porous. The difference of heartwood is not obvious to a little obvious; The heartwood is slightly grayish brown to purplish brown; The sapwood is grayish brown to yellowish brown with reddish color, often mixed with golden yellow or blue variegated color, with a width of 4-5cm. The annual rings are not obvious to slightly obvious. Uneven width (3- 10mm). The tube hole is visible to the naked eye; At least rarely; Medium to slightly larger; The size is quite consistent and the distribution is slightly uniform; Single and short diameter multi-tube holes (2-3); Sporadic distribution, no intrusions are found, and white sediments are occasionally seen. The groove of the pipe hole is obvious in the longitudinal section. The number of axial parenchyma is small; You can see it under a magnifying glass, next to the pipe. Wood rays are non-overlapping; Medium to slightly dense; Very fine to slightly fine; It can only be seen under a magnifying glass; There are very thin ray marks on the radial section, which are not obvious. No ripple marks and intercellular channels.
Wood luster is weak; Heartwood is slightly sour and has no special taste; Straight texture; Medium to slightly coarse and uniform structure; The material is light and soft (air dry density is 0.44-0.5 1g/cm3). Suitable for packing boxes, pulp, canoes, low-grade plywood and furniture, thermal insulation materials, light buildings, etc. Wood contains a lot of yellow pigment.