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Latest company case about Shenzhen Hanast New Material co.,LTD Certifications

Q: Component B (curing agent) darkens?

2025-10-14

Latest company case about Q: Component B (curing agent) darkens?

A: For amine curing agents, exposure to air oxidation will turn yellow and dark, which may mean that the activity is reduced. It should be carefully tested before deciding whether to use them.