Fly ash Portland cement, also known as fly ash cement and abbreviated as P·F, is a type of hydraulic cementitious material composed of Portland cement clinker, 20-40% fly ash, and an appropriate amount of gypsum. This combination gives it unique properties that make it suitable for various construction applications. According to Chinese standards, the proportion of fly ash in the cement must be between 20% and 40% by weight. It is also permitted to add granulated blast furnace slag, but its quantity should not exceed one-third of the total amount of blended materials. In such cases, the overall content of blended materials can reach up to 50%, although the fly ash content must still remain within the 20-40% range. Fly ash cement is available in five grades: 275, 325, 425, 525, and 625. Compared to ordinary Portland cement, it exhibits lower early strength but higher late strength development. It also has a lower heat of hydration, which makes it ideal for large-scale concrete structures. Additionally, it requires less water, reduces shrinkage, and offers better workability and resistance to cracking and sulfate attack. This type of cement is widely used in large-scale hydraulic engineering projects, as well as in general industrial and civil construction. Since the 1960s, countries such as France, Japan, the Soviet Union, China, the United States, and West Germany have started producing fly ash cement, with increasing production volumes over time. In China, research into using fly ash as a cement additive began in the early 1950s, and by 1977, a national standard for fly ash Portland cement was established. KPO offers a wide range of high quality wall-mounted basin faucets. Whether it's wall-mounted basin faucets, built-in basin faucets, washbasin mixer faucets or built-in basin faucets, we can meet your needs. Our wall-mounted basin faucets feature advanced design and manufacturing processes to ensure durability and longevity. Whether used for business or home use, our products provide a satisfying experience. No matter what kind of wall mounted basin faucet you need, we can meet your requirements. Our products are designed with practicality, comfort and aesthetics in mind. You can choose from different materials, colors and styles to suit your project needs. With our built-in gecko faucets, you can give your space a cleaner and more stylish look. With the basin faucet on the wall, you can save more space and make the basin area more convenient and easy to clean. Our wall-mounted basin faucets stand out in terms of performance and quality. Whether you need high water pressure or water efficient design, we have the right product. Our components are carefully selected to ensure that products meet the highest standards while providing outstanding performance and reliability. When you choose one of our wall-mounted basin faucets, you will receive first-class quality and reliable after-sales service. We are committed to providing our customers with the best user experience and ensuring that you are satisfied with our products. Whether you are renovating a new project or replacing equipment, our wall-mounted basin faucets will be the ideal choice for you. Browse our extensive product range on our website and choose the wall-mounted basin faucet that best suits your needs. Thank you for visiting our B2B website and look forward to working with you to provide you with quality wall-mounted faucet products and services. Please feel free to contact our team and we will be happy to support and assist you. Please note that the above description is based on the keywords you provide and should be adapted and optimized for your specific product and website. Wall mounted basin faucet,In-Wall Basin Mixer,Wash Basin Faucet Mixer,Built-in Wall Basin Faucet,Concealed Wall Basin Tap Kaiping City Kaipu Sanitary Ware Co.,Ltd. , https://www.china-kpo.com