PP plastic injection molding

PP plastic injection molding resin characteristics

1.      PP - Chemical Name: Polypropylene, Shrinkage Rate: 0.012-0.018%; Relative Density: 0.9-0.91 g/cm3 2.     The...
ABS Injection molding parts

How to improve the glossiness of injection molded parts?

I. Injection Mold 1. If the mold cavity is not appropriately processed, such as the appearance...
plastic material identification

How to Identify Different Plastic Materials

1. Plastic material Identification by Appearance It is the most common, simplest and most effective methodfor Plastic material...
PVC injection molding

PVC plastic injection molding process

Thanks to its low price, inherently anti-inflammatory features, great hardness and rigidity, as well as the outstanding...
jetting plastic injection molding defects

Jetting-plastic injection molding defect

(1) What is jetting? (Appearance) Usually, the molten resin flows in the form of a jet stream. However, when flowing from...
different shrinkage rate in one product

Plastic material mold shrinkage rate calculation

Plastic Material Shrinkage: Refers to the characteristic that a plastic part dimensionally shrinks after being taken out of...

Injection molding defect bubbles

(1) What is bubble (appearance)? Bubble refers to the phenomenon in which the surface of a molded product  bulges.
air bubbles injection molding defects

Common Plastic Injection Molding Defects

01. Silver Mark As a matter of fact, this injection molding defects usually happens because the raw material is...
injection molding pressure

Injection Molding Pressure

1,Plastic Injection Molding Pressure This is the pressure caused by plastic flow, and can be measured with sensors on...
sink marks injection molding defects

Sink Marks, plastic injection molding defect

(1) What are sink marks (appearance)? Sink marks refer to the surface depression caused by resin shrinkage. After the crystalline resin...