Most Berber is very difficult to clean. Actually, Berber is not a type of carpet or fiber, but a type of weave. It is identified by its loop pile construction and usually contains small flecks of dark color on a light shade of background. The original wool Berber was a challenge, but not as difficult as today’s Olefin Berber. Berber has been produced with wool, polyester, nylon, olefin or PET (recycled plastic bottles) or with a blend of these fibers. Fiber content can be determined with a burn test, yet it is tricky because there are also wool blends (containing other fibers). One test is the smell test. When wet, does it smell like a wet dog? If so, it is probably wool, and will require heavy pre-agitation with a pH 8 or below shampoo or encapsulation cleaner and ... — Gary Clipperton, president of National Pro Clean Corp.
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