Author Archives: Vichem
Thermoset vs Thermoplastic Resins: Pros, Cons and Applications
In modern industry, resins are essential materials that cannot be replaced. The two main groups are thermoset resins and thermoplastic resins. Each type carries unique characteristics that define applications and production efficiency. Understanding their differences...
Read moreHLB Index in Surfactants – Meaning and Practical Applications
In modern industries, surfactants are indispensable components. They appear in coatings, cosmetics, food, pharmaceuticals, and many other dispersion systems. To choose the right type, the HLB index is always the leading criterion. It is a...
Read moreWhat is Viscosity? Its Impact on Coatings & Printing Inks
In the coatings and printing ink industries, viscosity is a critical parameter. It not only reflects the liquid’s thickness but also governs application, surface finish, and adhesion. A proper understanding of this helps control production...
Read moreShore 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, or coatings, controlling hardness optimizes performance, durability, and usability. The Shore hardness scale was established as an international standard system,...
Read moreWet 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 situation where the same TiO₂ level gives different results in wet and dry states. The difference between wet opacity and...
Read moreISO 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 and stable color maintains brand reputation and product value. ISO 105 was created to verify and certify color durability. It...
Read moreThermally Conductive Plastics: Cooling Solutions for LED & Power Supply
In the electronics industry, LED and power supplies demand high thermal performance. Without proper cooling, components lose efficiency and fail quickly. Aluminum and copper are common choices, but they are heavy and difficult to shape....
Read morePEEK, 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 true for applications requiring heat and chemical resistance. Heat resistant polymers like PEEK, PPS, and PSU have become increasingly popular....
Read moreWhat is cationic dye? Applications on acrylic and polyester fibers
In textile dyeing, the choice of dye determines the quality of the product. A suitable dye not only creates vivid shades but also ensures durability against light, washing, and abrasion. Among many types used today,...
Read moreWhat is Powder Coating? Benefits and Applications in Industrial Manufacturing
In many modern industries, the requirements for surface finishing are becoming stricter. Materials not only need to be durable and corrosion-resistant but also must ensure aesthetics and safety. Powder coating has emerged as an advanced...
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