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As the demand for packaged goods increases, it is important to look at all manufacturing processes involved to improve overall performance. The coating process of the can interiors can have a dynamic impact on overall stability and consumer experience. Eastman’s resin intermediates can improve upon common flexibilizing technology and increase overall stability and resistance of the interior coating.
AD
|
1,4-CHDA
|
PIA
|
|
---|---|---|---|
Flexibility/hardness | |||
Impact resistance | |||
Direct, in.-lb | >160
|
156
|
76
|
Reverse, in.-lb | >160
|
96
|
64
|
Pencil hardness to mara | HB
|
2H
|
4H
|
Stain and chemical resistanceb | |||
Iodine after 30 min | M
|
N
|
N
|
Mustard after 24 h | VS
|
N
|
N
|
50% NaOH after 9 h | N
|
N
|
N
|
50% H2SO4 after 9 h | M
|
N
|
N
|
Corrosion resistance | |||
Detergent resistance after 10 days | |||
Creepage, in. (mm) | 0.75 (19.05)
|
0.13 (3.18)
|
0.06 (1.59)
|
% Gloss retention at 60° | 30
|
99
|
96
|
% Gloss retention at 20° | 16
|
90
|
86
|
Blistering | S
|
M
|
VS
|
Cracking | N
|
N
|
N
|
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