(1) What Is Burn Mark? (Appearance) Burn Marks refers to the blackened edge that is caused on the surface of a molded product during the …
Burn marks( air trap) plastic injection molding defect Read More »
What are Weld Lines? (Appearance) Weld lines appears where the resin flows meet. As shown in the figures below, weld lines will definitely appear in …
(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, …
(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 …
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 …
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 …
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 …
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 fluidity of plastics:An indicator to compare the injection molding difficulty level of a plastic material, which like viscosity, is dependent on molding conditions …
