Fragrantwood is not a scientific and accurate name, nor is it a wood or botanical name. The Cantonese used to call the wood that smelled sour when the sawdust was in the genus Dalbergia, and the scented Dalbergia (the “Huanghua Pearâ€), which was later produced in Hainan Island, was also pungent when sawing. The scent of the scent, which is faintly faint and sour, so that the Guangdong artisans gave the scented Dalbergia wood a "scented wood". Fragrant wood, it is "scented rosewood." Professor Yang Jiaxuan from the Institute of Wood Research of the Chinese Academy of Forestry also explained in the book "Chinese Redwood". The officially lit up of Xiangzhimu appeared in the national standard GB/T18107-2000 "Redwood" issued by the State Bureau of Quality and Technical Supervision on May 19, 2000.
The wood of fragrant wood is the wood in the genus Dalbergia. The necessary conditions are other, the wood structure is very fine and fine, the average tube hole chord diameter is not more than 120μm, and the wood moisture content is 12%. More than 0.80g/cm3, the heartwood of the wood has a strong aroma and a reddish brown color. The wood characteristics are defined in detail. At present, only the national standard of "Redwood" includes the fragrant yellow sandalwood (ie, huanghuali) produced in Hainan Island of China. The “yellow pear†in the wood used in Ming and Qing furniture refers to this kind of wood rather than wood produced elsewhere.
PU sandwich panel is short for Polyurethane sandwich panel.
PU sandwich panel is generally used in the outer layer of the roof of the building. PU sandwich panel has good heat insulation and sound insulation, and the polyurethane does not assist the fire, which is in line with the fire safety.
The features of PU sandwich panel:
1. Fire proof Rating
2. good in heat insulate
3. Low water absorption
4. Light in weight
5. Good anti-corrosion
6. Environment friendly
Description of PU sandwich panel:
Structure: Top is PPGI steel sheet, Core is PU board, Bottom is PPGI steel sheet.
The thickness of steel sheet: 0.3-0.8mm
The thickness of core: 50/75/100/150/200mm
Color: White, blue, red or according to your requirement
Destiny of EPS:40kg
Length: According to customer`s requirement
Effective width: roof and wall are 1000mm
Packing: Plastic packing and nude in the container or according to your requirement.
Payment term: T/T, L/C, Western Union
FAQ:
1. Are you a factory or trading company?
We are a professional factory.
2. How about the delivery time?
It`s depends on the quantity, usually, it`s 15-20 days after we get your deposit.
3. Can you do OEM?
Yes.
4. How can you make sure the quality?
Our products will be test before the shipping, and we will show you the test.
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Shijiazhuang Zhouming Steel Building Materials Co., Ltd. , http://www.zmsteels.com