| 摘要 |
23444-327 The invention relates to sheet material containing natural fibers, comprising (A) a natural, chemically untreated fiber material and (B) a secondary long-stapled fiber material with the exception of mixed paper wastes, characterized by the fact that the weight ratio of components (A) and (B) is comprised in the range of from about 50 to 90 parts of (A) to about 10 to 50 parts of (B), and that the sheet material further contains fines, at least one retention agent for the fines and at least one agent for improving the strength of the sheet material. The sheet material can be used in many fields including agriculture, fruit farming, the packaging industry and the construction industry.
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