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The process of coating metal with polyurethane emulsion can be divided into the following steps: Surface Preparation: Before applying the polyurethane emulsion, the metal surface needs to be properly prepared. This typically includes cleaning the surface, removing oil, dust, and other impurities, and performing rust removal to ensure coating adhesion and durability. Rust removal can be done mechan...
Waterborne coatings, including waterborne wood coatings, are coatings that use water as the dispersion medium and diluent. Unlike less commonly used solvent-based coatings, their formulation systems are much more complex. Formulation design requires attention not only to the type of polymer, the properties of the emulsion and dispersion, but also to the rational selection of various additives and ...
In water based paint formulations, the base material is the key component that forms the paint film and determines its performance. When designing the formulation, the amount of waterborne resin should be maximized, accounting for 60-70% by volume, to ensure the highest possible content of effective film-forming agents in the paint. This guarantees a thicker, fuller paint film in a single coat. Wa...
Polyurethane (PU) can transform into a strong adhesive, firmly bonding tiles to walls; it can also become plastic parts like phone cases and keyboard keycaps; and even become shoe soles and sealing strips, exhibiting elasticity comparable to rubber. Why can the same material freely switch between the seemingly unrelated fields of "adhesive, plastic, and rubber"? Today, we'll uncover the secret of ...
PA-8220 is a water-based, environmentally friendly acrylic emulsion specifically developed for grinding gravure film ink pastes. It can be used for grinding and dispersing various pigments, exhibiting excellent pigment dispersibility and color development, as well as superior resolubility and anti-tack properties. It is also a high-quality resin for inks used in high-end applications such as paper...
Waterborne Polyurethane Resin Water based polyurethane emulsion PU-20 series is a waterborne polyurethane resin independently researched, developed, and produced by Anhui Sinograce Chemical Co., Ltd. Waterborne polyurethane emulsions PU-203 and PU-201 are suitable for various metal surface treatments and coatings requiring high solvent resistance. Application Fields Advantages of Waterborne Polyur...
Three Core Advantages of Polyurethane Topcoat: 1. High Weather Resistance: Superior UV resistance compared to epoxy paints; does not chalk or lose gloss under outdoor exposure, maintaining vibrant colors. 2. Strong Comprehensive Protection: Offers excellent wear resistance, impact resistance, oil resistance, and resistance to mild chemicals, with superior mechanical properties. 3. Easy Applic...
The main differences between the milky white and translucent states of water-based polyurethane resins are as follows: Microscopic Structure • Different particle size: The average particle size of polyurethane particles in milky white water-based polyurethane resin is greater than 0.1 μm; the particle size of translucent water-based polyurethane resin is between 0.001 and 0.1 μ...
Styrene-acrylic, pure acrylic, and silicone-acrylic: How to choose the right emulsion for exterior stone-effect paint? What are the differences? The differences between the three types of emulsions Did you know? The durability, environmental friendliness, and lifespan of stone-effect paint all depend on the "emulsion" it contains! What are the differences between the three common emulsions on the ...
Definition: Waterborne polyurethane is a new type of polyurethane system that uses water instead of organic solvents as a dispersion medium. It is also known as water-dispersible polyurethane, water-based polyurethane, or aqueous polyurethane. Characteristics Classification 1 By particle size and appearance 1. Polyurethane aqueous solution (transparent appearance, particle size <0.001 micromete...
Water-based polyurethane fabric coating agents can impart a soft and full hand feel and leather-like texture to fabrics, and significantly improve the wrinkle resistance, shrinkage resistance, elasticity, and flexibility of the coated fabrics. Among them, water-based polyurethane coating agents with waterproofing properties are particularly popular with fabric manufacturers and consumers. So, how ...
sinograce chemical
Sinograce Chemical is professional technical enterprise providing solutions of surface materials and manufacturing of raw materials. Sinograce Chemical Company is composed of R&D center, Manufacture center, Quality control department, Market center and International trade department. We have been dedicating to research on excellent paint/coating, adhesive for over 15 years. And now still conti...
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