Table 2. Limits of the Studied Parametersa.
| factor
levels |
||||
|---|---|---|---|---|
| factors | symbol | low (−1) | central (0) | high (+1) |
| cutting size (mm) | A | 1 | 3.5 | 6 |
| fiber (wt %) | B | 0.02 | 0.06 | 0.1 |
| CMC (wt %) | C | 0.499 | 0.7495 | 1 |
a
Two lengths of fibers: 3 and 12 mm.
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