
Category: Coatings
Pretreatments and Surface coatings and paints on different substrates like civil works like walls, floors, ferrous and non-ferrous metals, plastics, wood etc.

Roles of Zinc, Nickel and Manganese in Phosphate Coatings
Video Lecture: Question: @Balaram……. Sir, what are the basic functions of Zn,Ni & Mn respectively in phosphate coating. Answer by Dr E. Ramanathan In phosphate coatings, zinc (Zn), nickel (Ni), and manganese (Mn) play distinct roles in influencing the coating’s performance, appearance, and functional properties. Their primary functions are as follows: 1. Zinc (Zn): 2….

Saitechinfo Elearning Course Support
Welcome My Dear Saitechies to Saitechinfo eLearning Courses!This is Saitech Sudha, your course facilitator at Saitech Informatics. Please follow the instructions carefully: DEDICATE ONE WEEK for each lesson to gain a deeper understanding of the contents. TT – Topic Tree: Each lesson comes with a Topic Tree, an overview list of concepts. Use this as…

Indian Knowledge System – Book Review
Indian knowledge system. A wonderful book by Prof Mahadevan.

Water Based Paints
You need to be logged in to view this content. Please Log In. Not a Member? Join Us

Phosphating Chemicals
You need to be logged in to view this content. Please Log In. Not a Member? Join Us

Wall Paints
You need to be logged in to view this content. Please Log In. Not a Member? Join Us

Heat Resistant Silver Ash Paint
You need to be logged in to view this content. Please Log In. Not a Member? Join Us

Plasticizers
Plasticizers: Definition: Plasticizers are additives used to increase the plasticity or fluidity of a material. They are commonly incorporated into polymers to make them softer, more flexible, and easier to handle. Function: Plasticizers work by embedding themselves between the chains of polymers, spacing them apart and thus increasing their mobility. This process reduces intermolecular forces…

Surfactants
Surfactants, or surface-active agents, are compounds that lower the surface tension between two liquids, between a gas and a liquid, or between a liquid and a solid. They contain both hydrophobic (water-repellent) and hydrophilic (water-attracting) groups, allowing them to interact with both water and oils or fats. Types of Surfactants: Applications of Surfactants: Surfactants play…

Sustainable Coaching and Sustainable Coatings
Article by Dr E. Ramanathan When we talk about quality of a product or a service from client’s perspective, we bluntly believe branded products or services, fake advertisments in social media, TV shows, newspapers, movies, magazines, etc. We assume falsely that anything Global is great in quality. We just think big about big advertisements and…
Coating Weight and Thickness of Phosphate Coatings
You need to be logged in to view this content. Please Log In. Not a Member? Join Us
Different Types Metal Pretreatments
by Dr E. Ramanathan MIL specification [9] classifies the types of chemical conversion phosphate coatings as M-type for manganese base and Z-type for zinc base. Besides, various combinations of chemical conversion coatings have been reported, viz., coatings based on zinc phosphate, manganese phosphate, amorphous iron phosphate, calcium modified zinc phosphate, low zinc manganese phosphate, zinc…