boundary composite decking

Ecological wood heard this name to know that it is environmentally friendly, it contains the word that it has ingredients wooden timber, although in fact it is wood ingredients, rather than by the towering trees and made ??it through the wood costs plastic powder and synthetic ingredients, so it's out of wood rather than wood. Is the best choice for decoration materials products.composite deck railing

Specific production process is this: PVC resin and wood powder, calcium carbonate, lubricants and other additives at the desired temperature by high-speed mixer and then cold mingled mingled around 40 degrees, the direct use of the powder was mixed with good cone double extruder production ecological wood product which is called one-step. The advantage is not granulation step production, investment and saving water and electricity granulation equipment, labor, materials, provincial consumption, maintenance costs for the equipment. But the product quality and appearance is better two-step better. In particular ecological wood imitation wood they need for indoor and outdoor decoration with the same wood grain that one step be difficult (not to say that one-step did not generate wood such as density is 1.0 or 1.2 can produce more grain, but ecological wood density is generally about 0.8). composite bedroom doors

Cooling good powder twin-screw granulation product is a single screw extruder and then said two-step production. In contrast with the above advantages and disadvantages. General ecological wood production results using the two-step method is ideal.boundary composite decking

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