字幕列表 影片播放 列印英文字幕 before bathing became common, people used heavy colognes to mask unwanted odor. Deodorants were first created by chemists in the late 18 hundreds. Today, they ranged from antiperspirants that use chemicals to reduce perspiration to natural alternatives like body crystals. Many people apply deodorant at some point during the day, so suddenly know everyone to make a stick. Deodorant workers pour a blend of ingredients into a cattle mixer. Then I pounded wax, the main ingredient that holds everything together. They also at silicon for a smooth texture. Steam heats the mix to 75 degrees Celsius, melting the ingredients. A standard recipe for the old rinse includes wax active ingredients that prevent perspiration, dime ethical, a blending agent silicon on fragrance to mask odors. Deodorants like old personal care products must meet strict quality control standards. The chemists in this factory perform a variety of tests to make sure the product has the right consistency. Chemist will perform a viscosity test. She stirs a sample at a constant speed, then verifies that the force required is within the accepted range. These containers will dispense the dieldrin. They're mechanically unscrambled on a rotating platform that sends them spinning into individual pockets senses overhead. Detect the ones that aren't lining up properly. A blast of air sends them back into the platform to repeat the process. Now that they're all the right side up, they move along to the filling station. They're a system of levers, raises thumb upto a line with a filling nozzle that dispenses the mix. System of rotating wheels keeps the containers moving. One wheel conveys them to the next. Fulfilling than 1/3 wheel leads the mountain. It's best to fill using hot mix that flows freely, but the deodorant must cool in order to harden on overhead. Rake evenly lines up the containers inside a refrigerating tunnel. Once it's full, workers set the cooling system to 14 degrees Celsius. Deodorant will remain here for several villains. Next, chemists perform a hardness test on a cooled sample of dieldrin Force meter measures, the amount of pressure required to crush the sample. It has to be just right too hard on the deodorant crumbles. Without spreading, it must be able to flow smoothly out through this perforated don't that will cover the dieldrin. Each container gets one over at the dome ing station again, a system of wheels works together to convey the containers through the station center wheel. Capa's overhead lay the perforated dome on top of each container. Containers then moved to the next station, where they each received a strip of a decent plastic that covers the dome's surface, a safety seal that protects the deodorant. Back at the dome ING station, containers pass through once more, as the capper is now snapper plastic cover onto each one. Now they're ready for the final labeling. The containers roll past the plate that lifts off a decent labels from a continuous strip. On applies thumb, a brush Smoothes over the labels on. That's the final touch. Now the deodorant is ready for shipping to customers on these products can roll on no sweat.