Test temperature: The temperature of ss and ass is maintained at 33-37 degrees Celsius, and the temperature of cass is maintained at 50 ± 2 ℃. The temperature drop when opening the box is acceptable. Quantity and distribution of spray: each salt spray test chamber should have a collection area of ​​80 square centimeters, adjust the amount of spray per unit time, so that the salt spray chamber can provide an average concentration of salt spray for each collection container to collect. The collection time is at least 16h, 1.5 ± 0.5 ml per hour. If the test time is less than 16 hours, the average time is at least 8h. When the nozzle in subclause 4.2 is also used, this proves to be advantageous for setting the spray concentration of the test solution, giving a pre-determined, constant pressure and head, a separate method of using measurement and control devices. Within the effective area At least two collection containers are required to determine the uniform spread of the salt spray. A suitable collection container, such as glass or plastic products, has a diameter of 10 cm, which is equivalent to the collection area of ​​78.5 square centimeters, and droplets condensed anywhere in the box, including the The solution must not drip into this container. When the test of the salt spray test box is interrupted, the box is only allowed to be opened when the test sample is replaced. Attachment: Working principle of compressed air in salt spray test chamber: The air pressure is 0.7 to 1.4bar, and it is not contaminated with soil, oil and other contaminants.Use a grease liquid separator or ceramic pressure filter to separate.The remaining contaminants in the compressed air are not more than 0.2 mg per cubic meter, oil particles And the dust particles are less than 5μm, use deionized water and clean compressed air to inject into the air humidifier to maintain the humidity of the air, the temperature of ss and ass is maintained at 33-37 degrees Celsius, and the temperature of cass is maintained at 50 ± 2 ℃. It is fully mixed with compressed air to prevent the concentration of salt solution from rising due to the concentration of NaCl during the process. Dressing tables initially started as small portable cosmetic boxes that were filled with little perfume flasks, combs, nail files, tiny scissors, etc.. Women of high status would have their maids carry them out when the Madame would ask for a comb. The French called these ornate boxes `necessaires` (must-haves). Mirrored Makeup Table,Bedroom Makeup Table,Children Makeup Table,White Makeup Table,Modern Dressing Table,Makeup Table With Mirror,Makeup Table Set Jinan Tri-Tiger Technology Development Co., Ltd , https://www.tritigerwooden.com
It wash`t until the late 1700s that finally someone placed the box on a table and drew up a chair.
The Dressing Table, as we know it today, was developed in Europe in the beginning of the 17th century. By the 18th century, it became known as a mark of social standing as well as an object of fine design and craftsmanship.
A makeup vanity with drawers can be more than just a space to get dressed. Place your vanity next to your bed and add a chic table lamp for a stylish Bedside Table.
For people who work from home, a makeup vanity with drawers can double as a desk. Just ensure that the vanity is wide enough to accommodate a laptop, and use cable ties to manage cords and wires to keep your room clutter-free. The drawers offer the ideal space for storing office supplies and important documents.
If you have limited space but still want a dedicated area to add the finishing touches to your outfit, a makeup vanity with drawers makes a stunning console for your entryway.Store your makeup and jewelry in the drawers, and keep a beautiful bowl on top of the table as a catch-all for phones, wallets, and keys.