Especially noteworthy is that the PET bottles used to make polli-bricks do not have to meet the same rigorous standards of cleanliness and purity as do those remanufactured into clothing fibers or beverage containers. This means that the remanufacturing process takes far less time and water.
值得一提的是，對於回收料的潔淨度和純粹度，建材用瓶磚並不如做衣料的環保纖維或是裝飲料的再生寶特瓶般講究，因此整體製程的時間和耗水量都可以下降。