〓 〓 〓 〓 〓 〓 〓 〓 〓 material Introduction 〓 〓 〓 〓 ● dipterocarp genus: Dipterocarpus ● Timber Name: dipterocarp ● Local Name: Keruing (Malaysia, Sabah, Sarawak a code KERP / KRXX \ Indonesia) , Apitong, Bagac (Philippines), Chhoeuteal (Cambodia), Gurjun (Indonesia, Myanmar), Yang, Heng, Pluang (Thailand), Eng, In, Kayin, Burma gurium, Kangin (Myanmar), Dan, Tro (Vietnam). ● non-standard names: Nanyang oil Cubs wood, clip oil timber, Myanmar Red, cloning wood, A will pass 〓 〓 〓 〓 〓 〓 material distribution 〓 〓 〓 〓 〓 〓 〓 ● trees and Distribution: High 25 to 45m, diameter 0.8- 1.0m, this genus of about 75 species of Southeast Asia for about 30 species, widely distributed in the vast region of Southeast Asia. Often imported from Malaysia, Indonesia and other regions, a large quantity. 〓 〓 〓 〓 〓 〓 〓 〓 〓 material difference 〓 〓 〓 〓 ● cross-section: a little obvious difference between heartwood and sapwood and heartwood gray red-brown to reddish-brown, long the converted chocolate. Sapwood light brown, 5-10cm wide growth ring is not obvious. ● macroscopic structure: diffuse porous wood, holes visible under the naked eye, slightly smaller size medium; main single hole, rarely short diameter column pore complex "2-3" section slightly oblique columns, brown gum "axial thin visible under a magnifying glass wall tissue, ring-shaped tubes, and gather near the wing-shaped wing. Wood ray magnifying glass clear, slightly dense, slightly wider axial obvious to the naked eye under the gums Road, white dots, alone or short-hyun columns. ● Identify points: bark hard, rough, often half-roll flake off. Often impregnated with a large cross-section of a gum. White Gum Road axial point clear, either alone or in a short string columns. 〓 〓 〓 〓 〓 〓 〓 〓 〓 〓 material properties 〓 〓 〓 ● bark: 0.5-0.8cm thick massive hard and brittle and easy peel; skin brown, smooth with irregular shallow depression, often half of the volume shape sheet off; round lenticels obvious. Endothelial light brown, slightly developed bast fibers; stone cells developed, densely arranged in rows and Hyun diameter columns. ● Wood: Gloss weak; with resin odor. Straight texture; structure coarse; uniform; material medium to heavy hard; high strength; dry shrink. Processing difficulties, including silica and gums, easy to stick blunt saws and saws; planing surface is smooth; plastic viscosity can be poor; grip nails, nail must first drilling; good paint effect. Slightly decay. With acid resistance. Slow drying, easy to crack warp. Air-dry density 0.7 ~ 0.8g/cm3. 〓 〓 〓 〓 〓 〓 〓 〓 〓 〓 material use 〓 〓 〓 ● Wood Uses: Suitable for heavy construction, building construction, port engineering, shipbuilding, flooring, vehicle, timber, plywood, laboratory equipment, etc. [Song Yong Wood Co. 】 24H, Ltd. Address: Fu Yong Pine Wood Co., Ltd. [mobile] 24H Hotline: 13167151002 [Song Yong Wood Co.] 24H Online QQ: 595885878 discuss online [Song Yong Wood Co.] 24H Communications Email: www. 595885878@qq.com