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Electro-coating

Electro-coating is a coating method that the workpiece and the corresponding electrode are put into the water-soluble coating. The resin, pigment, and filler in the coating evenly precipitate and deposit on the surface of the workpiece and form a water-insoluble film under the influence of the physical and chemical action generated by the electric field, once the power supply is connected.

Electro-coating was invented in the late 1930s, but the development and industrial application of this technology were after 1963. Electro-coating is a special film-forming method that grew in recent 30 years, which has the characteristics of water solubility, nontoxicity, and easy automatic control.

The electro-coating process is generally composed of four main phases: pre-treatment, electro-coating, cleaning, and drying. Electrophoretic results vary due to the types of coatings and technologies applied. In general, you can expect the following characteristics.

  • The quality of the films obtained from electro-coating is usually proportional to the period that the power is on, so the film deposition can be adjusted by adding or shortening the power connection.
  • Electro-coating can form an evenly painted film on sharp edges, corners, gaps, and internal and external surfaces of the workpieces. Significantly improves its anti-corrosion performance.
  • The moisture content of the electro-coating is very low before the drying phase. Its water-insoluble and non-flowing features prevent the film from defects such as vertical drops, flow marks, and stagnation marks.
  • Because the electronegative polymer particles directionally deposit in response to the electric field, the electro-coating film possesses better water resistance and stronger adhesion than coatings processed by other methods.
  • Electro-coating has low concentration and viscosity, so less paint is wasted in the impregnation process. The utilization of the paint reaches up to 100%.
  • Similar to water-based paint, electro-coatings overcame the concerns of fire hazards and benzene poisoning.

Electrophoretic paint

Electrophoretic paint, a water-soluble paint that is known as the safest material in the coating industry, has no fire hazard, no flammable and explosive danger, and has little harm to the human body due to the application of water as the primary solvent and organic solvent as the assist.

Moreover, the electro-coating performs an excellent protection job on complex structured products, like their cracks and internal surfaces, with which the overall anti-corrosion effect improved significantly, and extended the product life circle to a large extent.

In addition, the effectiveness and efficiency of electro-coating, the fineness, leveling, and uniformity of the film guarantee the same coating thickness. It is suitable for mass production which makes the work easier and less time-consuming.

In Blog

Electro-plating

Electroplating refers to the technology of coating a layer of other metals on the surface of the conductors by applying the principle of electrolysis, to prevent metal oxidation such as rust, improve wear resistance, conductivity, reflection, corrosion resistance, and enhance appearance. In addition to conductors, electroplating can also be used on plastics with special treatment.

The electroplated layers are more evenly distributed than the hot-dipped layers. Generally, it’s very thin, ranging from several to tens of microns. Through electroplating, decorative, protective, and functional layers can be obtained on mechanical products. The worn-out and failed workpieces can also be repaired.

Electroplating is not only an electrochemical process but also a redox process. Immerse the components in the metal salt solution as the cathode, and the metal plate as the anode, the required coating will deposit on the components when connecting to the power supply. According to the coatings, it can be categorized into chroming, coppering, cadmium plating, tinning, and galvanizing. It can be divided into a protective coating, protective and decorative coating, decorative coating, corrective coating, and functional coating, based on the applications.

Mainly related to the size and batch of parts to be plated, electroplating includes rack plating, barrel plating, continuous plating, and brush plating, Rack plating is suitable for general-sized products, such as car bumpers, bike handles, etc. Barrel plating applies to small parts, fasteners, washers, and pins, etc. Continuous plating is used for the mass production of wires and strips. Brush plating is for partial plating and repair.

Galvanizing

Galvanizing is a process of forming an evenly distributed, dense, and well-bonded metal or alloy deposition layer on the surface of the workpieces by electrolysis. Compared with other metals, zinc is relatively easy to be plated. It is a cost-effective anti-corrosion electrodeposited coating that allows Canaan Site Furnishings being able to always provide great value products with competitive prices. The galvanized steel frames and components prevent products from corrosion and ensure product service life.

In Blog

Outdoor Furniture

A feature to distinguish outdoor furniture from other furniture is that outdoor furniture is considered as a component of the urban landscape environment – the “props” of the city. It has the characteristics of “publicity” and “communicativeness”.

As an important part of the furnishing industry, outdoor furniture generally refers to the facilities for relaxations in the urban landscape, such as tables, chairs, and umbrellas.

The primary purpose of outdoor decoration and design is to create a graceful and comfortable outdoor environment. Considering the characteristics of outdoor space and its freshness, it is suggested to choose materials that are close to nature for design and decoration, so that the decoration effect can be integrated perfectly with the outdoor environment.

Materials that are anti-UV, anti-corrosion, mildewproof, waterproof, dustproof, and not easy to deform and fade are the best choices for outdoor furniture. Canaan Site Furnishings has been working with architects and designers to build attractive and functional environments for our clients. We promise quality, durability, and aesthetics in each of our products. Our comprehensive selection of WPC products, recycled plastic products, stainless steel products, and galvanized steel products are designed to withstand the test of time, people, and nature.

In Blog

An Introduction to Recycled Plastics

Recycled plastic is one of the waste plastics, stands for the plastics made from the waste products that have been used, abandoned, cleaned, crushed in civil, industrial, and other uses. In a broad sense, recycled plastics refer to any reuse of leftover materials or waste products. Recycled plastics can be added/not added with fillers, plasticizers, stabilizers, or colorants, etc.

The recycling of plastics is a very important direction of research on renewable resources in recent years. Especially the after-used waste plastics are the major focus of recycling. Generally speaking, all thermoplastics can be recycled, but there are many plastic products with a surface treatment that are very difficult to recycle. At present, most recycled products are limited to a very small portion of the product like plastic bottles and CDs.

Problems Caused by Waste Plastics and the Status Quo of Recycling

Plastic products not only bring convenience to human beings but also bring great “side effects”. Waste plastics don’t degrade naturally, with the increasing use of plastics, results in serious environmental pollution. Recycling has illuminated a new direction for waste plastic treatments. Countries have invested a lot of labor and material resources, and through legislation to develop plastic recycling technologies.

Significance of Plastic Recycling

Waste plastics from the huge use of plastic products in life and industry have caused serious environmental issues and contains a great potential for renewable resources. Petroleum and coal resources are not renewable and in short supply, but almost all thermoplastics have recycling value. Therefore, from the perspective of saving natural resources and protecting the environment, the development and innovation of plastic recycling methods and technologies will become a focus in the future.

Canaan Site Furnishings, as the leading provider of public site furniture in North America, actively and initiatively take our corporate social responsibility and strive to popularize environmental-friendly products in the market.

In Blog

An Introduction to the Green-Wood

What is “green wood”? As the name suggests, “green wood” is an environmental-friendly material made of wood and the products have all the advantages that a real wood product will have. Whether the production technology, process, and raw materials contain harmful substances, whether they will cause great damage to the environment and forests, and whether they can be recycled are the criteria of evaluating quality “green wood”.

“green wood” is also known as plastic wood, environmental protection wood, technology wood, recycled wood, or poly wood. Its proper name is wood-plastic composites, which is commonly known as WPC in the industry. It was molded and manufactured in a special production process, made from wood or bamboo chips, wheat straws, rice brans, peanut shells, or cotton straws mixing with a certain proportion of plastic materials. It maintains the appearance and texture of the solid wood and has moisture-proof, water resistance, acid and alkali resistance, antifungal, anti-static, mothproof, and other properties. Moreover, “green wood” products are fire-resistant, have no pollution, and can be recycled. North America is the region with the fastest development and largest consumption of wood-plastic composites in the world. Over the past 10 years, the growth of the WPC market in the United States has been maintained at more than 10%.

Although eco-friendly wood materials are expensive than pure wood, the cost is gradually reduced with the growth and development of the production technology. Additionally, the cost is furtherly decreased in the recycling process, many consumers are still willing to accept relatively high prices because of the advantages of WPC.

10 Advantages of WPC

Rich color, modeling at will: the product is rich in color, can be curved, and formed into arbitrary shapes. It fully meets the designer’s endless imagination and creative inspirations.

Comfortable and natural: it has the natural appearance and texture of wood.

Wide range of uses: it can be widely used in all kinds of gardens, leisure and entertainment places, and commercial spaces, etc.

Long service life: the product life can last up to 15 years.

Waterproof, moisture-proof, anti-corrosion, no deformation: WPC can be directly used in the dry and wet environment from 70 ℃ to -40 ℃ without deformation, cracking, warping, mildew, and corrosion.

Anti UV and aging: it performed excellently on anti-aging, UV, and pollutions. The color fastness meets the national standards which can be safely used for indoor and outdoor decorations and reduces costs on maintenance.

Mothproof and easy to clean: it can effectively eliminate insect disturbance, and is convenient to clean and take care of.

Heat preservation and insulation, and flame retardancy: the thermal conductivity of WPC is far lower than that of aluminum and plastic. It can insulate heat in summer and keep warm in winter. It has a very good energy-saving effect. Its flame retardancy can reach the national standard of Level-B1.

Eco-friendly and healthy: the product does not contain benzene. The content of formaldehyde is lower than the European top environmental protection standard EO level standard. It is a revolutionary energy-saving and environmental protection product of decorations. WPC greatly improves the comprehensive utilization of wood and can be recycled.

Easy installation, low comprehensive cost: “green wood” can be nailed, planed, and sawed. It can be installed efficiently and quickly, and no painting is required. It doesn’t have odors so can be used immediately after installation, saving time, labor, and money.

Characteristics of WPC

  • Environment friendly: the use of recycled materials (wood dust and plastic) does not require anti-corrosion treatment.
  • No routine maintenance is required, has a longer service life than wood, does not absorb moisture, dampness, and rot. It prevents insects, does not crack and deform, and is not sensitive to the cold and hot environment.
  • Polyolefin wood-plastic composites have good mechanical properties and can be widely used as load-bearing structural materials.
  • 95% of the raw materials of polyolefin wood plastic are recycled, so the cost is low and its products can be 100% recycled.

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