The main raw material of plywood adhesives

The main raw material of plywood adhesives
 
By last article we learned plywood adhesives What are the characteristics? What application? The following Xiaobian to explain the main raw material for plywood adhesives what.
The main raw material of plywood adhesives
1) urea.
2) formaldehyde.
3) sodium oxide atmosphere.
4) acetic acid.
5) polyvinyl alcohol.
6) ammonium chloride. Colorless crystals or white cubic crystal. Pure nitrogen 26.2%, the relative density of 1.526. By sublimation, with I-inch dissociate into NH, and HCI. Easily deliquescence. Soluble in water, soluble in glycerol and liquid swab, insoluble in alcohol. An acidic aqueous solution. Press for the production of salt, and pharmaceutical plating bath additives, dyes, adhesives, detergents and the like.
7) hexamethylene tetramine. Alias ​​methenamine. White crystalline powder or colorless hygroscopic shiny diamond crystal, flammable. Melting point 263 ℃. That exceeds the melting point of sublimation and decomposition, but does not melt. The relative density of 1.331. A flash point of 250 ℃. Almost no odor. Soluble in water and chloroform, insoluble in carbon tetrachloride, acetone, benzene and ether, insoluble in petroleum ether. Mainly used for plastic resins and curing agents.



Bopp tape Manufacturers ,  wholesale bopp tapes , custom bopp tape, best tape wholesale from kelii tape