문제 및 해결책
일반적인 플라스틱 재료 문제에 대한 실질적인 답변
Bulging at the overly thick wall area of the product
Unbalanced parison filling (multi-cavity)
Excessive cooling of the core rod
Bottle body surface scars (flow marks)
Poor demolding (sticking to the core rod)
Improper core rod temperature control
Parison scratched during transfer (deformation)