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Donna Chen
Jun 19, 20211 min read
Irreversible Photochromic Pigment
Colour appears irreversibly when exposed to UV but not the visible light The irreversible photochromic products show their colours when...
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Donna Chen
Apr 11, 20201 min read
FFP2 and KN95 face masks/ FFP2 und KN95 Gesichtmaske
CE certified FFP2 and KN95 face masks available at Donna Polymer
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Donna Chen
Mar 19, 20201 min read
Anti-Epidemic Materials against Coronavirus disease (COVID-19)
Anti-Epidemic Materials against Coronavirus disease (COVID-19) Against Coronavirus, we also want to help. Many of the accessories of...
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