What Is the Difference Between Aliphatic Polyurea and Aromatic Polyurea?

Due to differences in raw materials, polyurea can be categorized into aromatic and aliphatic types.
Aromatic polyurea tends to discolor or yellow when exposed to sunlight or artificial UV light.
In contrast, aliphatic polyurea is highly popular for outdoor applications because it can withstand long-term UV exposure without color change and can be applied with a relatively thin film thickness of around 0.8 mm.

However, aliphatic polyurea generally costs more than aromatic polyurea, which is why aromatic polyurea remains the most commonly used type in practical applications.

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