Research Article

Influence of Soda Pulping Variables on Properties of Pineapple (Ananas comosus Merr.) Leaf Pulp and Paper Studied by Face-Centered Composite Experimental Design

Figure 4

(a), (b), (c) Surface plot showing the effect of soda concentration and temperature on tensile index, burst index, and tear index at 40 min of the pineapple leaf paper, respectively.
(a)
(b)
(c)