Extrusion & Post
11 görüntüleme
DSTDP dense surface pockmarks
Sorun Belirtisi
DSTDP product surface has dense 0.1-0.3mm pockmarks, affecting appearance and coating adhesion
Neden Analizi
Raw material contains impurity particles >0.05%; mold cavity surface damage or corrosion pits
Çözüm
1) Replace with pure raw material, impurities <0.01%; 2) repair and polish mold cavity to Ra<0.2μm; 3) filter raw material to remove particles
Temel Çıkarım
Pockmarks are caused by raw material impurities and mold damage; pure raw material and mold maintenance are key
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