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Annaigee - Professional Custom Jewelry Box Manufacturer & Jewelry Packaging Supplier.

How can I assess resistance to cracking and peeling?

2026-11-06

Ask about abrasion resistance, coating adhesion, and hydrolysis resistance for the specified material. Some PU coatings can deteriorate under prolonged heat and humidity, causing cracking, flaking, or delamination.

Request test methods, conditions, and results for the actual material grade, then assess suitability for the intended environment. Accelerated aging test weeks cannot be directly converted into years of service.

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