Felt material is primarily manufactured in two distinct categories based on fiber content and production methods: wool or animal hair felt and synthetic or pressed synthetic felt. Traditional wool felt is crafted through wet processing and interlocking natural fibers, making it soft, dense, and ideal for crafts, apparel, and acoustic dampening. Synthetic or heavy asphalt-saturated roofing and flooring felts utilize polyester or cellulose fibers combined with asphalt saturation, creating rigid, water-resistant sheets used in construction.
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