Author Archives: Vichem

Explore Vinachem Expo 2025: Vietnam’s Leading International Chemical Exhibition

Vinachem Expo 2025 is an important event for the chemical and materials sector in Vietnam....

Types of polyester resins used in composite manufacturing

In composite manufacturing, polyester resins are widely used thanks to their easy processing and reasonable...

What Is Dyne Level? Meaning in Printing and Surface Coating

In printing and surface coating, adhesion always plays a crucial role. The Dyne level reflects...

How is Polybutene-1 different from Polyisobutene?

Within the polyolefin family, Polybutene-1 (PB-1) and Polyisobutene (PIB) are often viewed as similar because...

Vichem at CHINACOAT 2025 – Global Connections & New Solutions

China Coat Expo 2025 takes place in Shanghai from November 25 to 27, featuring more...

Gas Permeability of Desmophen — The Critical Hidden Factor

In PU coating production, parameters like hardness or gloss are often prioritized. However, another crucial...

Weather Durability of Powder Coatings: The Real Role of Uralac

Hot and humid climates create major challenges for outdoor coatings. Strong UV and high moisture...

Why Desmodur HDI Delivers Superior Outdoor Durability

Outdoor coatings must resist sunlight, rain, heat, and chemicals. These factors damage the film quickly...

Why Ink Fails to Dry: Formulation Issue or Substrate Problem?

In flexible packaging printing, many factories face the issue of ink not dry even when...

Why Is Polyester Hard to Dye? Dye Absorption Mechanism

Polyester is favored in textiles for its strength and stable shape. Yet many mills face...