Table 3.

Comparison of predicted and measured responses.

Run	Response	Predicted value	Measured value	Accuracy
1	Hardness (N)	0.91	0.90	99%
	Adhesiveness (mJ)	1.4	2.1	50%
	Cohesiveness	0.33	0.27	82%
	Springiness (mm)	5.08	5.57	90%
2	Hardness (N)	5.391	4.705	87%