Shrinkage of wood, the volume shrinkage coefficient 0.497%. Another information: air-dry gravity 0.65-0.85g / cm3 (average .75g / cm3), shrinkage: radial 2.6-3.5% 4.1-5.4% tangential, 6.4-10.6% by volume. Mechanics, hardness, and easy to split, flexible, impact intensity. Static compression, bending strength Shandong red rosewood, compressive strength parallel to grain 565kg / cm2, flexural strength 1090kg / cm2, MOE 145090kg / cm2, along bending shear strength: gage surface 93kg / cm2, chord face 85kg / cm2, Swiss surface hardness 6145N. Saffron pears (Shao's red sandalwood) Red rosewood factory, Pterocarpus soyauxii Fabaceae red rosewood spot, PPILIONACEAE Pterocarpus. African timber market to rosewood called Pa Duke. Business name: African Pa Duke AfricanPadauk. Common name: Nigeria said Olsen osun, Zaire called Sizha in Nzadi, Congo called Kesai Si Kisesi, Cameroon said Mbi Mbe, Angola said Thakura Tacula. This wood has a good glue and nail holding power, good drying properties, good durability, excellent durability, better corrosion resistance, is used for carving, high-grade furniture, advanced joinery, plywood, sliced ??thin wood, flooring a good choice material, musical instruments, sophisticated packaging, toys and other products with its good machining, cutting fluid, sawing smooth, flat section. And distribution of trees: Large trees, up to about 30m red rosewood, diameter 60-100cm, some with wide plank root, but not high. Born in tropical West Africa, East Africa, Subjects such trees are located in equatorial Africa, Nigeria to Angola of the Multi-evergreen rainforest. National production are Nigeria, Cameroon, Zaire, Gabon, Ghana, Congo, Equatorial Guinea, Namibia, Angola and other countries. _ Three red rosewood price level chemical quality assurance (certification) _ Red rosewood provided by the Jinan Chemical Co., Ltd. three levels. Jinan three ping Chemical Co., Ltd. (www.sanpinghuagong.com) Shandong Jinan, chemical products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Three-ping Chemical leadership with the staff warmly welcome all inquiries negotiations to create three levels of chemical better future.