Application
K11 general waterproof coating reference formula
RS-300S Reference formula for universal waterproof coating Liquid material: powder material=9:25 Product features: ★ It has the waterproof function of the front and back surface ★ Can be constructed in a humid environment ★ Non-toxic and harmless Applicable scope: Used for indoor and outdoor waterproof construction of various building structures such as concrete, brick walls,…
Cause analysis and countermeasures for the blackening of the gold-plated layer of the coaxial connector
The gold-plated layer has low contact resistance, good corrosion resistance and wear resistance, and is widely used in precision instruments, electromechanical components, integrated circuits, printed circuit boards and other fields . The gold-plated coaxial connector exported to Japan by the author’s company can pass the 48h neutral salt spray (NSS) test, but when assembled as…
The electroplating master will meet: Analysis of the causes of errors in the Hall tank test
Hall cell test is a test method often used by electroplating engineers and field managers, and it is also a method often used in technical reports or technical papers. Because the state of the Hall groove test piece involves the evaluation of process performance, and sometimes the evaluation of product quality, there is an issue…
Analysis of main points for maintenance of zinc-nickel alloy electroplating process for auto parts
The zinc-nickel alloy coating has high corrosion resistance when the nickel content is 8%~15%. After the corrosion resistance far exceeds the plating The layer of zinc is 4-8 times that of pure zinc. The corrosion resistance of the coating is mainly related to the nickel content. To obtain sufficient nickel content, the control of process…
How to reduce the deplating rate of anodized aluminum wheels? The method is worth learning!
Aluminum wheelsPlating process The process is complex, mainly including pre-treatment, copper plating, copper polishing, Nickel plating, chrome plating and other processes, each process in the electroplating process is prone to produce defective products, and the deplating is in defective products Occupies a large part of it. The deplating rate refers to the ratio of the…
Still worrying about the yellowing of the lead-free pure tin coating, it is because you did not read this article seriously
Tin-lead alloy has been used as a solderable coating for many years. Electronic circuit board industry. But as people pay more and more attention to environmental issues in recent years, the harmfulness of lead has gradually become known to the public. Therefore, countries around the world continue to promulgate increasingly strict laws and regulations to…
Share: 4 special plating methods in circuit board plating
Four special plating methods in circuit board plating. This article mainly introduces 4 special plating methods in circuit board welding. 1 Finger row electroplating It is often necessary to plate rare metals on board edge connectors, board edge protruding contacts or gold fingers to provide lower contact resistance and higher wear resistance. This technology is…
This brand of water-based paint was “notified” by the Provincial Market Supervision Administration
Recently, according to the “Decision of Gansu Provincial Market Supervision Administration on Commending Gansu Famous Brand Product Enterprises in 2018” (Ganshi Jianfa [2018] No. 46), water-based Ketian water-based coatings Series products won the title of “Famous Brand Products in Gansu”. Gansu famous brand products are in a leading position among similar products in the province…
Akzo Nobel launches water-based topcoat for military aerial tankers
AkzoNobel’s Aviation Coatings business unit provides a water-based coating for the French Air Force’s new long-range aerial tanker in service >Product Aerowave 5001. This is the first application in the French Air Force’s new-generation A330 MRTT aerial tanker. Akzo Nobel Account Manager Maud Khelstovsky said, “We are very proud of the successful application of this…
Zhuzhou spraying industry opens the era of “water-based paint” VOC governance to ensure Zhuzhou blue
In the battle to defend the blue sky, Zhuzhou City delivered a beautiful report card in 2018: 288 days of good air quality, 74 days more than in 2013, and air quality improved for 6 consecutive years. Defend “Zhuzhou Blue”, what should we do in 2019? On February 18, the Office of the Zhuzhou Municipal…
