Polyurethane coatings are widely used in various industries due to their excellent durability, flexibility, and resistance to chemicals. These coatings can be categorized into two main types: two-component and one-component polyurethane coatings. Two-component systems typically consist of an isocyanate prepolymer (often referred to as a low molecular weight urethane polymer) and a hydroxyl-containing resin. The former is commonly known as the curing agent, while the latter is the base component. The classification of polyurethane coatings also depends on the type of hydroxyl-containing resin used. This leads to variations such as acrylic polyurethane, alkyd polyurethane, polyester polyurethane, polyether polyurethane, and epoxy polyurethane. Each variant offers unique properties that make them suitable for different applications, from industrial flooring to furniture finishes. In terms of packaging, polyurethane coatings are available in single-can, double-can, or three-can systems. In home decoration, the three-can system is often preferred. It includes one can of base paint, one can of curing agent, and one can of thinner, allowing for better control over the mixing process and final finish quality. Additionally, polyurethane coatings can be classified based on their composition and how they form a film. This results in five main categories: polyurethane modified oil coatings, moisture-curing polyurethane coatings, blocked polyurethane coatings, catalytic-curing polyurethane coatings, and hydroxyl-curing polyurethane coatings. Each type has its own advantages and is selected based on specific performance requirements and environmental conditions. Strong quality Aluminum housing.with tempered glass and brightness LED chips.Option color or RGB color The LED wall washer has an illumination distance of 5-40 meters, which is especially suitable for the color painting of landscape buildings, outdoor squares, landscapes and walls, and displays. The protection grade reaches IP65, which can adapt to various temperature and humidity environments inside and outside. The colors have red/yellow/blue/green/white/color changing effects. Through the organic combination of colorful light and water, it produces a smart feeling and brings you a dreamlike mood. LED wall washer,LED linear light,building wall washer,commercial lighting SHENGYA LIGHTING TECHNOLOGY CO., LTD. , https://www.syalighting.com
Polyurethane paint classification
Jc001.load('iframe') JIFrame.create({ 'url' : '/go.php?action=ads&iframeHeight=250&isIframe=1&key=%D3%CD%C6%E1&pos_id=jc001_news_detail_30&reqkey=1&style=margin%3A15px+15px+25px+0%3B+height%3A255px%3Bwidth%3A255px%3B+float%3Aleft%3B', 'height' : 250 })