Fluidity Influencing Factors Analysis and Ratio Optimization of New Sealing Materials Based on Response Surface Method

Table 6

Response surface quadratic model and analysis of variance results.

Source	Sum of squares	df	Mean square
Model	22436.79	14	1602.63	10.69	<0.0001
A	1728.00	1	1728.00	11.52	0.0044
B	1575.52	1	1575.52	10.51	0.0059
C	13500.52	1	12838.02	90.03	<0.0001
D	2.08	1	2.08	0.014	0.9078
AB	5.06	1	5.06	0.034	0.8569
AC	1369.00	1	1369.00	9.13	0.0092
AD	76.56	1	76.56	0.51	0.4866
BC	232.56	1	232.56	1.55	0.2334
BD	1.56	1	1.56	0.010	0.9201
CD	930.25	1	930.25	6.20	0.0259
A2	2200.05	1	2200.05	14.67	0.0018
B2	582.84	1	582.84	3.89	0.0688
C2	327.37	1	327.37	2.18	0.1617
D2	95.32	1	95.32	0.64	0.4386
Residual	2099.40	14	149.96
Lack of fit	2099.40	10	209.94
Pure error	0.000	4	0.000
Cor total	24536.19	28