If the screw is installed for a long time, its appearance will be slowly coated with a layer of yellowish brown rust, which will not only affect the appearance, but also have an uncertain impact on the items installed with the screw over time. How can we remove this layer of rust?
After the screws have been used for a long time, they also need to be cleaned. How should they be cleaned so as not to rust the screws?
You may often see the above problems in daily life, so let's let the small editor guide you to understand how to solve them.
First of all, please pay attention not to scratch the surface when washing the screws, and avoid using bleach ingredients, detergent containing abrasives, steel wire balls, grinding tools, etc. Second, to remove the detergent, clean water should be used to wash the surface after washing.
In addition, for the common cleaning of screw surface stains in daily life, you can refer to the following examples:
1. Binder composition: Clean the screws with alcohol or organic solution.
2. Fingerprint on screw surface: Use alcohol or organic solvent (ether, benzene), dry with soft cloth, and then wash with water.
3. Discoloration due to welding heat: wash with 10% nitric acid or hydrofluoric acid solution, then neutralize with dilute ammonia water, soda carbonate solution, and then wash with water for special washing drugs.
4. Adhesion of organic carbide: soak in hot neutral detergent or ammonia solution and then wash with detergent containing weak abrasive.
5. Dust and easy to remove dirt: wash with soap, weak detergent or warm water.
6. Fat, oil and lubricating oil pollution: after being wiped dry with soft cloth or paper, use neutral detergent or ammonia solution or special detergent to wash.
7. Rust caused by contamination on the screw surface: use nitric acid (10%) or abrasive detergent to wash - use special detergent to clean CD screws.
8. Too many rainbow lines: caused by detergent or oil, use warm water neutral detergent when washing.
9. Label and film: scrub with warm water and weak detergent.
10. Bleaching agent and various acids adhesion: wash with water immediately, soak in ammonia or neutral soda water solution, and then wash with neutral detergent or warm water.
For Jinrui, whether you are a fastener demander/dealer/supplier, you can visit the official website of Jinrui for more information:www.chinajinrui.net
Part of Jinrui's product display
Jiangsu Jinrui Metal Products Co., Ltd. is the production base of Shanghai Jinrui standard parts. The factory covers an area of more than 20000 square meters, with a registered capital of 50 million yuan, a total investment of more than 100 million yuan, and an annual output of more than 20000 tons. Its products are exported to more than 40 countries.
Since its establishment in 2001, Jinrui Company has developed into a new layout with Hai'an in Jiangsu as its production base and Baoshan in Shanghai and Nanyang in Henan as its sales centers after more than 20 years of unremitting efforts.
At present, Jinrui's main products include the following six categories:
1. The main products of bolts include metric and American round head oval neck bolts (also called fishtail bolts), internal and external hexagon bolts, hexagon flange bolts, carriage bolts, wheel hub bolts, etc
2. Stud products: full thread thread, double head studs, etc
3. Nut products: hexagon nut, flange nut, heavy nut, square nut, butterfly nut, etc
4. Screw products: self tapping screws, self tapping self drilling screws, wood screws, various machine screws, etc
5. Washer products: flat washer, spring washer, square washer, lock washer, etc
6. Fastener related non-standard products
The wire drawing plant under Jinrui Company also provides processing services such as fine drawing, rough drawing and spheroidizing of wire rods, and supplies finished wire rods of various domestic famous steel mills.
Adhering to the business philosophy of "pioneering and innovating, pursuing excellence", Jinrui has successively introduced multiple types of heading and forming machines, thread rolling machines, nut machines, hot heading and rolling machines, lathes, large hot heading machines and their supporting testing equipment, such as magnetic particle flaw detectors, metallographic analyzers, salt spray testing machines, direct reading spectrometers and optical screening machines, tensile machines, Vickers hardness meters, Rockwell hardness meters, etc., and has set up independent research and development departments, It can produce all kinds of high-quality fasteners such as GB, DIN, ANSI, JIS and ISO international standards. The products are widely used in petroleum, chemical industry, boiler, wind power generation, highway guardrail board, elevator guide rail, machinery manufacturing, construction sites, auto parts, medical equipment and other fields.
Jinrui has been developing vigorously since its establishment. It integrates the advantages of each company, carefully designs and strictly selects materials to make the products more durable, and is highly praised by the majority of users. Jinrui won the ISO9001: 2000 international quality system certification in 2001, the special equipment manufacturing license in 2010, and the TS16949 automobile quality management system certification in 2012. The People's Insurance Company of China underwrites the "Global Product Liability Insurance" for its products, ensuring that every screw can be used with confidence, determination, and peace of mind!
Whether now or in the future, Jinrui will always adhere to the core service concept of "quality first, science and technology to revitalize enterprises, users first, and considerate service", sincerely provide you with high-quality services and high-quality products, and Jinrui will also become your most loyal long-term partner.
