문제 및 해결책
일반적인 플라스틱 재료 문제에 대한 실질적인 답변
Product shows multiple defects (silver streaks, burnt, short shot, etc.)
PVA internal black speck carbonization
Poor PVA plasticization
PVA internal unmelted particles
Insufficient PVA mixing
Difficult PVA purging
PVA material changeover residue
Internal black speck carbonization of PU
Poor PU plasticization
Internal unmelted particles of PU