Why is AkzoNobel Powder best for a standing desk?
Nowadays, metal furniture in the market is increasingly used in various industries such as home furnishing, outdoors, teaching, and office. Metal furniture generally has a smooth and hard look. This external feature is mainly determined by the base material of the metal and the coating on the base surface. Because of different application scenarios, we not only require the metal substrate surface coating to be beautiful and hard but also require the coating to have gloss, hardness, impact resistance, corrosion resistance, adhesion, and so on.
As one of the metal furniture, electric height adjustable desks have a higher requirement in terms of the coating because of the special structure–telescope columns. For years, OTi-furniture has been using AkzoNobel Powder on its adjustable desk frames. And it performs outstanding!
Standing in the middle east of China, Akzo Nobel (China) homed Shanghai, built its plants in Suzhou city, and focused on the decorative markets, expanding its business rapidly.
Safety is the top concern for furniture manufacturers. An unhealthy coating could cause Asthma bronchiale, rhinitis, immunity issues, and other potential diseases.
Many manufacturers choose AkzoNobel. So does OTi! According to RoHS Directive (EU) 2015/86 3 amending Annex II to Directive 2011/65/EU, based on the performed tests on submitted AkzoNobel (China) sample(s), the results of Lead, Mercury, Cadmium, Hexavalent chromium, Polybrominated biphenyls(PBBs), Polybrominated diphenyl ethers (PBDEs) and Phthalates such as bis(2-Ethylhexyl) phthalate (DEHP), Butyl benzyl phthalate(BBP), Dibutyl phthalate (DBP), and Diisobutyl phthalate (DIBP) comply with the limits.
Performance Testing Result
Coating equipment： High voltage electrostatic spray gun
- Visual appearance in a vessel: Homogeneous color without any agglomerate.
- The appearance of the film according to GB 5237. 4-2008: Good flow OK
- Color (GB/T 11186.2-89): Visual check OK
- Gloss (60 gauge head) GB/T 13452.2-2008:74%
- Thickness GB/T1732.2-2008: 60-80μm
- Impact resistance GB/T 1732-1993 50kg.cm direct pass
- Pencil Hardness GB/T 6739-2006: H
- Adhesion cross-cut test GB/T 9286-1998: 0 level
- Bending test (tapering spindle) GB/T 11185-2009: 3mm pass
- D[V,0.5] (PSD) 40.6μm
Provided by one of our German customers, the inspection report shows the adhesion test. The test sample is from the cargo before shipment. As adhesion is one of the important characteristics and also it could be operable for field testers. The result is OK.
In terms of the electric height adjustable standing desk or other adjustable desks, the telescope design makes the coating requirement relatively high. It requires high-intensive abrasion resistance. Besides the performance of the powder self, the thickness of the coating is the second factor that mainly affects the abrasion resistance. To some extent, the coating thickness decides durability. According to the industry standard of the standing desk, the coating thickness is 60-80μm. Our factory’s operative standard is 80-100μm.
Of the adjustable standing desk, rub happens when the desk is moving. However, the rub is not as serious as people think so. Some users may think the rub is caused by metal against metal. No! Actually, the fight is the plastic parts against the metal tubes, And the metal tube is armed with AkzoNobel Grinding powder. The powder is hard wearing and the thickness could be 80 μm or more.
Though the protective layer is strong, ten years later, could it be still strong? How about reducing the rub? This is a paradox. If we remove the plastic parts, the desk could be wobbly. If we tighten the tubes, it will consume the powder much, reduce the motor life span, and leave rub marks(don’t worry. Our desk’s rub marks could be erased by an eraser). Theoretically, there is a critical value. At this critical value, the rub should be min. And it could be calculated if the coating thickness and tube thickness are constant. Our tube’s thickness is 2MM and the material is high-quality cold-rolled steel, made by Shanghai Baosteel Company, China’s best steel company. That means there is no error range of the tube’s thickness. And the coating thickness is performed by the precision spray painting machine. Our quality inspectors check every batch of painted parts and record them. When these two-part figures are certain, or controllable, the rest is controlled. This is the key part for an electric height adjustable desk. Of course, professional assembly workers also can feel it. Our assembling workers all have at least 3-year experience.
Since the rub can not be removed. We could also reduce the rub from the plastic parts. The material of our plastic parts is high-end POM. If you know the traits of POM, you would be surprised at the existence of such a perfect material born for electric height adjustable desk frames. POM is short for Polyoxymethylene (Polyformaldehyde), a good-performance engineering plastic. Its nickname is “capture steel”, “super steel”. POM is similar to metal hardness, strength, and steel, in a wide range of temperature and humidity have a good self-lubrication, good fatigue resistance, and elasticity. In addition, it has a better chemical resistance. It perfectly fits metal furniture.
It is very important for furniture to have a good appearance.
The importance of choosing a healthy, durable, and productive adjustable standing desk is self-evident. Paying attention to the coating is equally important. If you want to be our dealer and want to know more other information about our standing desk frames, you are welcome to contact us.
Please leave your comments, if you have any questions about this article. Thanks!