(1) What are sink marks (appearance)? Sink marks refer to the surface depression caused by resin shrinkage. After the crystalline resin is cooled and solidified, […]
Sink Marks, plastic injection molding defect Read More »
(1) What is bubble (appearance)? Bubble refers to the phenomenon in which the surface of a molded product bulges. Bubbles are prone to occur in
Injection molding defect bubbles Read More »
Thanks to its low price, inherently anti-inflammatory features, great hardness and rigidity, as well as the outstanding resistance to chemicals and the shrinkage as low
PVC plastic injection molding process Read More »
1. PP – Chemical Name: Polypropylene, Shrinkage Rate: 0.012-0.018%; Relative Density: 0.9-0.91 g/cm3 2. The appearance of PP: White, translucent and waxy when uncolored; natural color, cylindrical
PP plastic injection molding resin characteristics Read More »
Nylon (polyamide, abbreviated as PA) refers to a plastic composed of polyamide resins, which can be obtained by polycondensation of diamines and dibasic acids, or
Nylon PA plastic injection molding material Read More »
Introduction: When designing a plastic injection mold, the selection of the parting surface is an important design factor. With a reasonable parting surface selection, the
Design Principles of Mold Parting Surface Read More »
In PC plastic injection molding process, the choice of moisture control and molding conditions are the two most important factors that affect the quality of
Polycarbonate (PC) injection molding conditions Read More »
ABS Plastic Resin Introduction ABS(Acrylonitrile Butadiene Styrene ) is one of the five major synthetic resins, which is excellent in resistance to impact, heat, low
ABS, an Engineering Plastic for injection molding Read More »
The ejection of a plastic product is the last step in the plastic injection molding process. The quality of the ejection determines the quality of
Ejector systems design principle and description Read More »
1. Snap joint, AKA snap fit joint, is a common structure for connecting and fixing plastic injection molding products. It is able to replace the
Plastic snap fit joint design Read More »
