Coatings Optical Filter Optical Window Whenever light passes from one medium into another medium with different optical properties, most notably refractive index, part of the light is reflected and part of the light is transmitted. The intensity ratio of the reflected and refracted components is a function mainly of the difference in refractive index among the materials, the polarization of the incident light and the angle incidence. Whenever light passes from one medium into another medium with different optical properties, most notably refractive index, part of the light is reflected and part of the light is transmitted. The intensity ratio of the reflected and refracted components is a function mainly of the difference in refractive index among the materials, the polarization of the incident light and the angle incidence. As light passes through an uncoated glass substrate, approximately 4% will be reflected at each surface, this result in a total transmission of only 92% of the incident light. Coating each component will increase the throughput of the system and reduce hazards caused by reflections traveling backwards through the system (ghost images). Optical coatings are often used to alter the reflectance, transmittance, absorbance, or polarization properties of optical components. The components being coated are usually called the substrates. The coating layer is deposited in high vacuum using the process of evaporation by either e-beam, or IAD(Ion Assisted Deposition). Coating materials include metal such as Au, Ai, Ag, Cr, etc. And semiconductors such as Si, Ge.
Differences between Spray Paint and Electrostatic Powder Coating: 1. The effect of Spray Painting is mirror. The effect of Powder Coating is mostly frosted surface with small holes. 2. The paint is thinner than the powder. The paint is about 30 microns in size. The powder particles are about 60 microns. 3.The smell of paint is harmful to health. Small powder pollution, small and environmental impact on workers' health. 4. Paint is volatile matter, so the Curing temperature in the Curing Heating System is below 150 degrees Celsius. The temperature of the Powder Spraying workpiece in Curing Oven needs to be between 180 and 220 degrees Celsius. 5. The same grade of Powder is cheaper than lacquer. 6. The strength of the powder is better than the ordinary paint. 7. Powder Spraying can be in place once. And the powder that falls into the groove in the Spray Room can still be used repeatedly to save cost. Hebei Hanna technology CO., LTD. 's Fast Automatic Powder Color Changing System can change color rapidly for 15 minutes. It saves manpower and time. This is really good for you if you have more color on your workpiece to change. And the Big Cyclone can achieve 99.2% recovery. It's economical and environmentally friendly.
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Automotive PVD Coatings Supplier When super-hard, low-friction and high load-bearing thin film coatings are needed, PVD coatings and equipment are the solution. Reliable, environmentally-friendly and versatile, our advanced thin film coating technology represents a major development in surface engineering. PVD coating materials for automotive parts are ideal for a broad range of components used in aerospace; automotive components; mechanical components used in industrial machinery and equipment; tooling applications - for cutting, forming & stamping, plastics and rubber molding, die-casting; medical instruments & devices and diverse decorative applications. PVD coatings improve performance, add value, and solve critical challenges associated with friction & wear reduction. Some specific advantages of these coatings for industrial, automotive, and medical applications components are as follows: High resistance to wear, abrasion and erosion. Low friction coefficient under high and low temperature conditions, with or without humidity. This translates into lower power losses and higher efficiency. Higher load carrying capacity with fewer lubricant additions, and less erosion. Material flexibility prudent PVD coating solutions allows manufacturers to specify less expensive base materials without compromising product performance. Biocompatibility for medical and food-contact applications. Hard chromium & nickel plating replacement for a broad range of performance (non-decorative) applications. Coated Automotive Components Fuel Injectors and Plungers
Optical Coating Materials Supplier Advanced Targets is a leading optical coating materials supplier, offering a wide range of high-performance materials designed to meet the precise demands of optical coatings used in industries such as electronics, telecommunications, aerospace, and medical devices. Our products are engineered for superior performance in applications requiring precise light transmission, reflection, and absorption control. Advanced Targets supports the manufacture of optical components in the wavelength range from ultraviolet (UV) to far infrared (IR). We offer evaporation materials and sputtering targets for optical coatings covering more than 70% of the periodic table. These include fluorides, oxides, and precious and non-precious metals. Thin Film Optical Coating Materials Our fluorides and oxides are available in a wide range of purities and forms, including granules, pellets and powders. This allows us to work closely with customers to develop customized compositions and meet challenging design criteria. In addition to optical coating materials, we are a leading supplier of sputtering targets for optical coatings. These include tantalum (Ta), silicon (Si), hafnium (Hf) and niobium (Nb) targets as well as gold (Au) and silver (Ag) products and services for high reflectors and contacts. Applications of Optical Coating Materials Lenses and Optical Components Mirrors and Reflective Coatings Optical Filters Telecommunications and Fiber Optics Aerospace and Defense Medical and Diagnostic Instruments
The series of products are made of saturated carboxylpolyester resin, TGIC or HAA, rutile titanium dioxide ,which are the main raw materials.They have good UV resistance and play a good protection and decorative properties for the application of outdoor metal workpiece surface.
Everflon FEP Aqueous Dispersion Everflon FEP D50 is an off-white aqueous fluorinated ethylene propylene (FEP) dispersion stabilized with a non-ionic surfactant. It is a general-purpose dispersion that can be used to impart some the unique properties of FEP to end products that would be difficult to make using traditional melt extrusion processes. It can be used to coat or impregnate porous structures, or to make thin films. It can be coated and melt bonded to polytetrafluoroethylene (PTFE) resin or used as a hot melt adhesive. The FEP resin in Everflon FEP D50 is a melt flowable thermoplastic, providing superior properties typical of fluoroplastic resins: retention of properties after service at 204 °C (400 °F) and useful properties at 240 °C (400 °F). Everflon FEP D50 aqueous dispersion provides: Inertness to nearly all industrial chemicals and solvents Stability at high temperatures Excellent dielectric properties Excellent weatherability Application Heat-sealable top coatings for PTFE-coated fabrics for belting, circuit boards, architectural fabrics, and electrical insulation Cast film for capacitor dielectrics or chemical barriers Hot melt adhesive for PTFE, PFA, and FEP parts Metal coatings Processing Conventional dip or flow techniques can be used for coating or impregnating high temperature fabrics, fibers, and other products with Everflon FEP D50. A FEP resin coating on woven fabrics made of fiberglass, fiber, or other high-temperature resistant fibers, can be made by dip coating. Successive passes may be necessary to build the desired thickness to produce a smooth, crack-free coating. Each coating layer is usually dried to remove water (typically at 120 °C [250°F]), baked to remove the wetting agent (typically at 270 °C [518 °F]), and then heated above the crystalline melting point of the resin particles (approximately 265 °C [509 °F]). If the Everflon FEP D50 is being used as a top coat over a PTFE-coated fabric or other parts, the coating must be heated to melt the PTFE (approximately 337 °C [639 °F]) to maximize adhesion. Other solid or liquid ingredients can be added to Everflon FEP D50 to provide specific processing or finished product behavior
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