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slightmiss
| Points: 200 | Last online: 03.20.2019
Date registered
03.06.2019
Which is your favorite GTA?
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    • slightmiss has written a new blog article "A metal roof is a roofing system" Today

      A metal roof is a roofing system made from metal pieces or tiles characterized by its high resistance, impermeability and longevity. China color-coated corrugated roofing sheet is just one example. It is a component of the building envelope. Zinc, copper and steel alloys are commonly used.

      Metal roofs can last up to 100 years, with installers providing 50 year warranties. Because of their longevity, most metal roofs are less expensive than asphalt shingles in the long term. Metal roofing can consist of a high percentage of recycled material and is 100% recyclable. It does not get as hot as asphalt, a common roofing material, and it reflects heat away from the building underneath in summertime.

    • slightmiss has written a new blog article "Corrugated Steel Sheet Features" Today

      Corrugated steel sheet has light weight, high strength, rich in colors, quick and easy construction, anti-earthquake, anti-fire and anti-rain, long life, maintenance free and other characteristics. China prepainted galvanized steel coil factory produces high quality products with many features. Many of types for corrugated sheet shape beautiful novel, flexible combination, etc.It also has light weight, high strength and good performance of anti-water and earthquake.

      Corrugated metal sheet is easy installation and construction, such as curved sheets, so shorten the period. Otherwise, there are also many of this corrugated sheets formed by PVC or PE. PVC corrugated sheet can adapt to the requirements of various architectural modeling.

    • slightmiss has written a new blog article "Coating thickness layer" Yesterday

      The corrosion resistance increases with the increase of the coating thickness layer. This can be decided based on the corrosivity in service environment, service time, durability and so on. High quality prepainted color galvanized coil will decrease the corrosion. For example, the corrosion rate of the product accelerates in industrial zone or coastal region due to sulfur dioxide gas or salinity in the air. And accordingly, the service time will be impacted.

      Different bottom paint have different adhesive force, flexibility and corrosion resistance. Suppliers select bottom paint based on production process, application, corrosivity in service environment, matching relation with finishing coat.

    • slightmiss has written a new blog article "The coating resistance was too large" Yesterday

      The cut edge corrosion of polyester-coated galvanized steel was investigated using electrochemical impedance spectroscopy. China prepainted color galvanized coil factory is large. Measurements were performed on specimens which had been tested in an accelerated atmospheric corrosion test. The samples were subjected to 208 wet and dry cycles in an exposure cabinet (26 days) with an artificial acid rain solution. Subsequently, the local impedance response of 50.3 mm2 areas of coated material was measured and evaluated as a function of distance from the cut edge.

      The results indicate that the coating performance varies from the cut edge into the sheet. Thus, the coating resistance was too large for impedance measurements to be obtained further away than approximately 40 mm from the cut edge. At 34–40 mm from the cut edge the coating resistance had dropped significantly and an RC response was obtained. Less than 32 mm from the edge the impedance was either a modified response with further reduced coating resistance or a response indicative of a coating failure.

    • slightmiss has written a new blog article "The prepainted steel coil is coated by organic paint" Yesterday

      The prepainted steel coil is coated by organic paint on the surface of galvanized steel or galvalume steel coil both sides or single side and the paint can be different colors according to RAL book or customers'own color sample. High quality prepainted color galvanized coil will be produced in this way. The performance of rust-resistance is best among galvanized steel coils and galvalume steel coils. Usually the paint is used with polyester paint, silicone modified polyester, high-durable paint, pvdf paint or other specified paint.

      Through sophisticated prepainted lines, higher quality of prepainted steel can be produced. Also protection film is available to apply on the surface of prepainted steel coils.

    • slightmiss has written a new blog article "Pre-painted steel advantages" 03.18.2019

      The pre-painted product can be purchased in coils or cut in slitters, sheets and blanks. The substrate can be galvanized, Galvalume or cold rolled. The product is available in various colors, always looking forward to cover the needs of our customers. High quality prepainted color galvanized coil has many advantages.

      High quality prepainted color galvanized coil offers a number of advantages, including convenience and durability, according to the needs of each segment. Adding value to the product, the paint gives an excellent surface finish to the steel, ensuring formability, bringing longer life, quality, aesthetics and reliability.

    • slightmiss has written a new blog article "Pre-painted steel is produced with the coil coating technology" 03.18.2019

      Pre-painted steel is produced with the coil coating technology, which provides superior performance to the material as a result of the excellent pre-treatment process before painting and uniformity of the applied layer (primer and top coat). Prepainted color galvanized coil price is increasing due to high cost of technology.

      In this process, the material is given a pre-treatment which includes full cleaning and the application of a sealant, ensuring the perfect adhesion of the paint to the steel and corrosion protection. Then, an accurately controlled application of primers and finish coats as well as decorative laminates and protective films provide high quality to product.

    • slightmiss has written a new blog article "The prepainted steel sheet in coil" 03.15.2019

      The prepainted steel sheet in coil is a product obtained by subjecting a hot-dipped galvanized steel sheet, an galvalume steel sheet, or an aluminum sheet to a surface chemical treatment (coating) or a composite organic film (such as a PVC film), followed by baking and curing. High quality prepainted color galvanized coil has many features.

      Prepainted Galvanized Steel Features:

      (1) It has good durability and corrosion resistance compared with galvanized steel sheets;
      (2) It has good heat resistance and is less prone to discoloration at high temperatures compared to galvanized steel sheets;
      (3) has good heat reflectivity;
      (4) It has similar processing properties and spraying performance as galvanized steel sheets;
      (5) Has good welding performance.
      (6) It has good performance and price ratio, durable performance and very competitive price.

    • slightmiss has written a new blog article "The hot dip metallic coating process" 03.15.2019

      Cheap PPGI prepainted galvanized steel coil is produced most in China. The hot dip metallic coating process is also used to manufacture steel sheet and coil with coatings of aluminium, or alloy coatings of zinc/aluminium, zinc/iron and zinc/aluminium/magnesium which may also be factory pre-painted. While GI may sometimes be used as a collective term for various hot dip metallic coated steels, it more precisely refers only to zinc coated steel. Similarly, PPGI may sometimes be used as a general term for a range of metallic coated steels that have been pre-painted, but more often refers more precisely to pre-painted zinc coated steel.

      The steel thus produced in this process is a prepainted, prefinished and ready for further processing into finished products or components. to use material.

    • slightmiss has written a new blog article "Development of prepainted steel sheet" 03.15.2019

      During the past 10 to 20 years, there have been many advances in the development of prepainted steel sheet. In order to take advantage of these technological advancements, the user needs to take many issues into consideration. High quality PPGI prepainted galvanized steel coil is produced more easily. Today, these issues can be addressed very quickly because of the long list of successful applications that have been implemented. Questions that need to be answered include: the properties of the steel, the type of metallic coating if any, the metallic coating thickness, the paint attributes with respect to flexibility, hardness, chalk and fade resistance, etc. Obviously, these decisions depend on the application and the performance desired by the manufacturer.

      Roll application of paint to steel sheet in a continuous coil-coating paint line. In this modern process, computer control ensures paint films of uniform high quality -- corrosion resistant and so tough, flexible, and adherent that they withstand forming of the sheet into many shapes.

    • slightmiss has written a new blog article "Galvanized Steel is steel" 03.14.2019

      Galvanized Steel is steel that has gone through a chemical process of coating it in layers of zinc oxide to keep it from corroding due to the fact that this protective metal coating doesn't rust as easily. The coating also gives the steel a more attractive durable finish which is hard to scratch. High quality galvalume steel coating steel coil is one of kinds. For countless outdoor, marine, or industrial applications, galvanized steel is an essential fabrication component. Hot-dipped galvanization is the most common method used. A variation, continuous sheet galvanizing, runs it through the molten zinc but tends to leave a thinner layer of the protective metal. Painting and spraying don't impart the strong bond of hot-dipping. While electro galvanizing or electroplating uses electricity to create a bond; it, too, results in a thin layer of zinc.

      Galvannealed Steel specialized steel produced by hot-dip galvanization followed by an immediate in-line annealing that imparts a very fine greyish matte finish. The coating doesn’t flake off when formed, stamped, or bent. The matte finish acts like a primer, allowing paint to easily adhere, and is very rust proof. With good paintability and long, reliable, service life, it finds extensive use in automotive, signage, electrical equipment, and other applications requiring these characteristics.

    • slightmiss has written a new blog article "Galvalume is more corrosion-resistant than galvanized steel" 03.14.2019

      Galvalume is more corrosion-resistant than galvanized steel, but because aluminum provides barrier protection instead of galvanic protection, scratches and cut edges are less protected. Galvalume steel coating steel coil price is high. Therefore, Galvalume is offered in both bare and pre-coated versions. Most Galvalume–like galvanized steel– is coated. But Galvalume has an excellent performance life in bare exposures as well. Both galvanized steel and Galvalume weigh 100 to 150 pounds per 100 square feet and contain about 35% recycled materials. The cost of Galvalume and Galvalume Plus are about the same as that of galvanized steel.

      The coating used on Galvalume is very important because it is critical to the length and conditions of the entire warranty of the panel product. Coated metal roof panels have progressed from a single coat straight polyester paint system in the early years to Poly vinyl idene fluoride(PVDF) acknowledged as the premium resin for coil coatings. It is a kind of fluoride, a family that includes such well known products as Teflon and Halar. PVDF resin has superior chalk resistance and gloss retention as well as stain and chemical resistance. It is softer than polyester, making it highly formable without risk of cracking. Current pretreatments and primers along with superior paint coating have increased product warranties dramatically.

    • slightmiss has written a new blog article "Selection of a coating system" 03.13.2019

      Selection of a coating system for prepainted metal, whether “preprinted” or “prefinished” requires consideration of the conditions under which it will be used. China high quality prepainted color galvanized coil is great. Factors to be considered are: type of substrate to be painted, joining method, forming requirements, service environment, and need for repaintability.

      Because of the great variety of coating systems available, it is possible to tailor prepainted systems to meet the same requirements as do many postpainted parts. However, it is necessary to insure that the coaters and their coating vendors understand accurately what the systems are required to do.

      https://www.chinahengzesteel.com/prepain...alvanized-coil/

    • slightmiss has written a new blog article "Coil-coater provide additional functions" 03.13.2019

      Usinor has developed organic and inorganic films, for many automotive applications. Prepainted color galvanized coil price is proper. The surface post-treatments made by the coil-coater provide additional functions to the metallic coated steel, such as lubrication or corrosion protection, and offer an excellent compromise between car manufacturing, steel utilisation and costs saving. Even though the organic coating thickness can reach 8 μm, steel products can be welded and electro-painted, thanks to metallic pigments within the coating, which make the polymer conductive.

      In some particular cases, where high flexibility and formability are required, the best solution is organic non-pigmented systems with lower thickness from 1 to 2 μm. Other pre-painted steel systems with thicker organic coatings have the potential to replace ED-paint or to remove Primer-Surfacer on paint lines by the car manufacturer.
      https://www.chinahengzesteel.com/prepain...alvanized-coil/

    • slightmiss has written a new blog article "A non-chromate conversion coating" 03.13.2019

      A non-chromate conversion coating for metal surfaces such as aluminum, steel, galvanized steel and zinc-aluminum steel consisting of an aqueous solution of a cationic polymer, an alkaline aqueous silicate and an organofunctional silane. High quality galvalume steel coating steel coil is very important.

      The present invention relates to the process of coating metals to improve the corrosion resistance and adhesion properties of the metal's surface. Specifically, the present invention relates to a single non-chromium treatment that is equally effective on many different metal surfaces. Such metals include aluminum, steel, zinc coated steel and zinc-aluminum coated steel.

      https://www.chinahengzesteel.com/galvalu...ing-steel-coil/

    • slightmiss has written a new blog article "The nature and extent of grinding wheel" 03.12.2019

      The nature and extent of grinding wheel wear in precision grinding were investigated directly from the wear particles removed from the wheel. A statistical analysis of the wear particle size distributions was developed to determine the relative amounts of bond fracture, grain fracture, and attritious wear. Most of the wear consists of grain and bond fracture particles with relatively more bond fracture occurring with softer wheels. The rate at which fracture wear occurs is directly related to the grinding forces and the amount of binder in the wheel. Fast 9" grinding wheel gets a good point. The attritious wear, although contributing insignificantly to the total, is the most important form of wear as it is directly related to the size of the wear flats, grinding forces, and workpiece burn, and therefore controls grain and bond fracture wear.
      https://www.auroraabrasive.com/high-quality-grinding-wheel/

    • slightmiss has written a new blog article "A grinding disc structure" 03.12.2019

      A grinding disc structure including an integrally formed main disc adapted to a dust-sucking cover body of a grinder. The main disc has multiple through holes nearly in parallel to an axis of the main disc. The main disc is further formed with multiple internal passages which are horizontally formed in the main disc corresponding to the through holes and nearly perpendicular to the axis of the main disc. The passages are tangential to the through holes. Two ends of each passage respectively communicate with the through hole and outer side around the main disc. The main disc has a complete bottom face to which a grinding layer can be fully adhered. 180*6*22mm metal grinding disc has a large share of the market. https://www.auroraabrasive.com/metal-gri...-factory-price/

    • slightmiss has written a new blog article "Imperforate grinding disc" 03.12.2019

      The present invention comprises a thin, flexible imperforate grinding disc that is integrally formed with a connector sleeve centrally located on one side thereof. The invention also includes an arbor whose driving end is of non-circular cross-sectional configuration, preferably square, and also is formed with a plurality of detent grooves. Fast cheap metal grinding disc has a relationship with this. The blind hole in the sleeve part of the unitary member is of a noncircular cross sectional configuration adapted to matingly receive the driving end of the arbor.
      https://www.auroraabrasive.com/metal-gri...-factory-price/

    • slightmiss has written a new blog article "Grinding wheel are very useful in industries." 03.07.2019

      The grinding wheel is the largest and the most widely used one. It can be coarsely ground, semi-finished and polished on the outer circle, inner circle, plane and various profiles of metal or non-metal workpieces. Fine grinding and grooving and cutting. https://www.auroraabrasive.com/high-quality-grinding-wheel/. Fast 9" grinding wheel is used mainly in cutting stainless steel.
      The grinding wheel is a round-shaped fixed abrasive having a through hole in the center made of abrasive and a binder. The characteristics of the grinding wheel are determined by factors such as abrasive, particle size, hardness, binder, shape and size.
      The organization of the grinding wheel refers to the proportional relationship between the three parts of the abrasive grains, binders and pores of the grinding wheel. It is usually graded as a percentage of the volume of the grinding wheel occupied by the abrasive particles. The grinding wheel has three organizational states: compact, medium, and loose; subdivided into 0-14, a total of 15 levels. The smaller the tissue number, the larger the proportion of abrasive grains and the tighter the grinding wheel; conversely, the larger the tissue number, the smaller the proportion of abrasive grains, and the looser the grinding wheel.

    • slightmiss has written a new blog article "Grinding wheels are often used in many industries." 03.07.2019

      The grinding wheel is also called a fixed abrasive. The grinding wheel is a fixed abrasive with a certain strength by a bonding agent to fix a common abrasive into a certain shape (mostly round, with a through hole in the center). It is generally composed of abrasives, binders and pores, which are often referred to as the three elements of a fixed abrasive. According to the different classification of the bonding agent, ceramic (bonding agent) grinding wheel, resin (bonding agent) grinding wheel and rubber (bonding agent) grinding wheel are common. The grinding wheel is the largest and the most widely used one. It can be coarsely ground, semi-finished and polished on the outer circle, inner circle, plane and various profiles of metal or non-metal workpieces. Fine grinding and grooving and cutting. https://www.auroraabrasive.com/metal-gri...-factory-price/.
      High quality metal grinding disc often receives high comment.
      Abrasives are the main raw material for the manufacture of grinding wheels, which are responsible for cutting work. Therefore, the abrasive must be sharp and have high hardness, good heat resistance and certain toughness.

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