Author Archives: Vichem

OTR & WVTR – Key Barrier Indices in Plastic Packaging

Plastic packaging not only protects products from impact but also maintains stable quality during storage....

Thermoset vs Thermoplastic Resins: Pros, Cons and Applications

In modern industry, resins are essential materials that cannot be replaced. The two main groups...

HLB Index in Surfactants – Meaning and Practical Applications

In modern industries, surfactants are indispensable components. They appear in coatings, cosmetics, food, pharmaceuticals, and...

What is Viscosity? Its Impact on Coatings & Printing Inks

In the coatings and printing ink industries, viscosity is a critical parameter. It not only...

Shore Hardness Scale: Standard for Measuring the Hardness of Plastics & Rubber

In industrial production, hardness is a key indicator that defines material quality. For plastics, rubber,...

Wet vs. Dry Opacity: Why Does the Same % TiO₂ Give Different Coverage?

In paint production, opacity defines both cost efficiency and product aesthetics. Many engineers face the...

ISO 105 Color Fastness: How to Design Test Sets for Export Textiles

In textiles, color fastness is a key factor for international acceptance. A fabric with strong...

Thermally Conductive Plastics: Cooling Solutions for LED & Power Supply

In the electronics industry, LED and power supplies demand high thermal performance. Without proper cooling,...

PEEK, PPS, PSU – Top 3 Heat Resistant Polymers: When to Choose Each?

In modern industry, the demand for advanced materials is higher than ever. This is especially...

What is cationic dye? Applications on acrylic and polyester fibers

In textile dyeing, the choice of dye determines the quality of the product. A suitable...