Black spots are impurities or thermal damage in plastic that cause black inclusions on the surface of the component or inside the transparent plastic component, which can affect the appearance of the product and lead to scrap.
Plastic components that undergo demolding deformation, rupture, or breakage may deform due to excessive force or adverse forces applied during the ejection process.
On July 19-20, 2024, Shunyan New Materials' mid year summary and annual all staff tourism activities were grandly held on the beautiful Yangjiang Hailing Island.