Expert advice: Women need to re-apply every three months to install a new suitable bra according to their body shape changes. Even if it is usually taken care of, the average life span of a bra should not exceed 10 months. Regular updates are necessary to ensure health.
First, the shoulder strap often slips
There may be two reasons for this phenomenon. One is that the bra is too small and too loose, and the shoulder strap slips easily after moving up. The second is to choose the wrong shoulder strap style. Each person's shoulders are different, with wide shoulders, narrow shoulders, flat shoulders, shoulders and so on. Different shoulder styles are also suitable for different styles. For example, those who cut shoulders should pay special attention to the design of the bra straps. The design of the shoulder straps should not be too far outside. It is not easy to choose the inward-receiving design.
Another common mistake about the shoulder strap is that it is too narrow and too loose. Be aware that most of the chest lift is carried by the shoulders, so the wider the shoulder strap, the stronger the pull. The too thin shoulder strap is purely decorative, and the lifting force is really minimal. In the long run, your beautiful and strong chest will surely sag more and more, it is not alarmist.
Second, the chest cup often moves up
This problem is very common, and it is often seen in public places that women are unconsciously pulling down the bra. This is usually because the bottom of your bra is too loose, or the size of the bra is wrong, the breast cup is too shallow and can only float on your chest like a plate. So when you raise your hand, the bra will naturally follow.
Third, the chest has an indentation
As soon as the bra is untied, there is a marked mark on the chest, which means that the cup selection of the bra is too small. You know, the steel ring is like a frame. It should be suitable for the chest contour and then give it a support. But if it is too small to press on the chest, it will cut out the fat that belongs to the chest like cut tofu. The breasts will get smaller and smaller. Be aware that 70% of the breast's ingredients are fat, fat is reduced, and the natural chest is shrunk.
Fourth, there are traces on the back
This is also a very intuitive issue, usually indicating that the bottom edge is too tight and needs to be enlarged. Or the bottom edge is too narrow, it is easy to pull in, causing a trace. Try to change the bras that widen the straps. One to increase support and fixation, and to disperse and balance fat. If you find yourself having these problems, you should immediately go to some really professional bra shop to re-purchase, at the very least you have to figure out how well you wear a large size bra.
Ultrasonic Welding Non Woven Fabric
What fabrics can be ultrasonically welded?
Ultrasonic welding uses ultrasonic energy at high frequencies (20–40 kHz) to produce low amplitude (1–25 μm) mechanical vibrations. The vibrations generate heat at the joint interface of the parts being welded, resulting in melting of the thermoplastic materials and weld formation after cooling.Acrylics, acetates, polyester, nylon, polypropylene, spandex and PVC are all suitable for bonding or cutting. In general, the higher the synthetic content, the easier it is to cut and seal with ultrasonic energy.
Such as:Non Woven Filter Fabric, Polyester Non Woven, Non Woven Felt are especially suited for ultrasonic bonding.
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