Influence of Different Pigmentations and Accelerated Aging on the Hardness and Tear Strength of the A-2186 and MDX4-4210 Silicones
Table 2
Mean (N/mm) ± standard deviation for the tear strength test of the A-2186 and MDX4-4210 silicones, according to the period and pigmentation (or no pigmentation).
Silicone
Pigmentation
Period
Initial
252 hours
504 hours
1008 hours
A-2186
Without pigmentation
35.67 ± 5.97 Aa
44.88 ± 7.74 ABb
32.73 ± 4.80 ABa
42.53 ± 9.50 Ab
Bronze
37.92 ± 4.70 Aa
48.70 ± 3.92 Ab
35.28 ± 6.27 Aac
32.63 ± 8.03 Bc
Black
36.65 ± 4.21 Aa
42.04 ± 3.92 Bb
31.55 ± 2.64 ABc
38.90 ± 6.37 Aab
Pink
37.24 ± 3.72 Ab
42.04 ± 5.58 Ba
31.45 ± 4.11 Bc
38.12 ± 10.38 ABab
MDX4-4210
Without pigmentation
13.72 ± 1.47 Ab
23.71 ± 11.56 Aa
21.26 ± 7.44 Aa
22.73 ± 7.54Aa
Bronze
14.99 ± 0.88 Aa
18.42 ± 2.84 Ba
14.40 ± 1.37 Ba
18.42 ± 3.43 ABa
Black
15.09 ± 1.07 Aa
17.54 ± 0.88 Ba
15.48 ± 0.98 Ba
20.09 ± 3.03 ABa
Pink
15.97 ± 1.37 Aa
16.95 ± 1.86 Ba
14.60 ± 1.07 Ba
15.68 ± 0.88 Ba
Different lowercase letters in row show a statistical difference (, Tukey). Different uppercase letters in column show a statistical difference (for each silicone individually) (, Tukey).
