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>Selection of materials for sanitation products

One: Wood category:
Anticorrosive solid wood: natural, environmentally friendly and safe (the wood is in its original color, slightly greenish). In fact, in addition to anti-corrosion characteristics, anti-corrosion wood also has the characteristics of good permeability and strong resistance to loss. At the same time, it can inhibit the change of the moisture content of the treated wood and reduce the degree of wood cracking. The common domestic anti-corrosion wood mainly includes Two materials: Russian Pinus sylvestris and Nordic Scots Pine. The preservative wood made of Russian pine is mainly the preservative wood treatment of imported logs in China, and most of them are treated with CCA agents. The preservative wood made of Nordic red pine is preservatively treated abroad, and the preservative wood imported to the country for direct sales is treated with ACQ agents and is usually referred to as “Finnish wood”. People are accustomed to calling preservative wood as Finnish wood. In fact, this is wrong. It is easy for people who don’t understand preservative wood to misunderstand.
Two: Stainless steel:
Rust and acid-resistant steel is abbreviated as stainless steel. The surface of the stainless steel plate is smooth and has high plasticity, toughness and mechanical strength. It is resistant to corrosion by acids, alkaline gases, solutions and other media. It is an alloy steel that is not easy to rust, but it is not absolutely rust-free. Stainless steel plate is a steel plate that is resistant to weak media such as atmosphere, steam and water, while acid-resistant steel refers to a steel plate that is resistant to acid, alkali, salt and other chemical corrosive media. It is composed of stainless steel and acid-resistant steel. The steel that can resist atmospheric corrosion is called stainless steel, and the steel that can resist chemical media corrosion is called acid-resistant steel. Generally speaking, steel with a content of Wcr greater than 12% has the characteristics of stainless steel. According to the microstructure after heat treatment, stainless steel can be divided into five categories: ferritic stainless steel, martensitic stainless steel, austenitic stainless steel, Austenitic-ferritic stainless steel and precipitated carbide stainless steel.
Because stainless steel has excellent corrosion resistance, formability, compatibility, and toughness in a wide temperature range, it has been widely used in heavy industry, light industry, daily necessities industry, building decoration and other industries. .
Three: Hot-dip galvanized sheet category:
Galvanized steel sheet is to prevent corrosion on the surface of the steel sheet and prolong its service life. The surface of the steel sheet is coated with a layer of metal zinc. This kind of galvanized steel sheet is called galvanized sheet.
According to production and processing methods, it can be divided into the following categories:
①Hot-dip galvanized steel sheet. The thin steel plate is immersed in the molten zinc bath, so that a thin steel plate with a layer of zinc is adhered to the surface. At present, the continuous galvanizing process is mainly used for production, that is, the rolled steel sheet is continuously immersed in the galvanized bath with molten zinc to make the galvanized steel sheet;
②Alloyed galvanized steel sheet. This kind of steel plate is also manufactured by hot dipping method, but after it is out of the tank, it is heated to about 500 ℃ immediately to form an alloy film of zinc and iron. This kind of galvanized sheet has good paint adhesion and weldability;
③Electro-galvanized steel sheet. The galvanized steel sheet produced by the electroplating method has good workability. However, the coating is thinner, and the corrosion resistance is not as good as the hot-dip galvanized sheet;
④Single-sided and double-sided differential galvanized steel sheet. Single-sided galvanized steel sheet is a product that is galvanized on one side only. In welding, painting, anti-rust treatment, processing, etc., it has better adaptability than double-sided galvanized sheet. In order to overcome the shortcomings of uncoated zinc on one side, there is another kind of galvanized sheet coated with a thin layer of zinc on the other side, that is, double-sided differential galvanized sheet;
⑤Alloy and composite galvanized steel sheet. It is made of zinc and other metals such as aluminum, lead, zinc, etc. to make alloys or even composite plated steel plates. This kind of steel plate not only has excellent anti-rust performance, but also has good coating performance;
In addition to the above five types, there are color galvanized steel sheets, printed coated galvanized steel sheets, and PVC laminated galvanized steel sheets. But currently the most commonly used is still hot-dip galvanized sheet.

Four: Plastic
Because it is made of plastic, it is called a plastic trash bin. The composition: high-density polyethylene HDPE or polypropylene PP polypropylene two new new plastics.
Features:
(1) Acid resistance, alkali resistance, corrosion resistance and strong weather resistance;
(2) The rounded corner design of the delivery port is safe and unprofitable;
(3) The surface is smooth and clean, reducing garbage residue and easy to clean;
(4) It can be nested on each other, which is convenient for transportation and saves space and cost;
(5) It can be used normally within the temperature range of -30℃~65℃;
(6) There are a variety of colors to choose from, which can be matched according to the classification needs;
(7) It is widely used in various environments, and can also be used for garbage sorting collection, such as property, factory, sanitation, etc.

Advantage:
Plastic trash cans are relatively simple to process and are made of energy-saving materials. In use, not only does it reduce a lot of costs, but it also has a perfect manifestation for the improvement of service life. Plastic trash cans also have a good display for more cleaning. We habitually throw rubbish into the trash can. For many children now, it will also have a better educational significance, prompting it to be used in use. Shows a different way of using materials. Ease of cleaning is also the advantage of plastic trash cans, which more shows the more user-friendly design concept of trash cans in use.


Post time: Jul-30-2021