用作建筑材料的挤压复合材料包括原料聚合物、未分离处理过的再利用毯废料和充填材料，充填材料可以是木材纤维或其它天然纤维。
An extruded composite utilized as a building material includes a base polymer, unseparated processed recycled carpet waste, and a filler material, which may be a wood filler or other natural fiber.
再利用毯废料可以用于降低原料聚合物和木材纤维的用量，以较低的成本得到同等的产品。
The recycled carpet waste may be used to decrease the amount of both base polymer and wood filler to achieve an equivalent product at lower cost.
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