What To Do If There Are Black Stripes On Injection Molded Products?
1.Reasons for black bars: 1-1 Thermal decomposition of materials 1-2 Damage to the screw of the injection molding machine 1-3 The material is carbonized due to friction and air compression 2.Related knowledge 2-1 The most common black stripes are caused by the residues of material decomposition remaining in the barrel of the injection molding machine. […]
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