Why plastic bottles are round bottom design

Why plastic bottles are round bottom design, we say this problem today. A, mathematical Angle, cost savings. Must have the circumference, circular area biggest, suborbicular can save raw materials. The first to promote the cause of the circular. Second, the ugly aesthetic Angle, over a long period of time. A long time habit, round compared with aesthetics. Three, the craft is simple, the manufacture Angle. Glass or plastic circular are relatively easy to make, other shapes need to manufacture the mold, process is difficult to guarantee. Four, behavioral science Angle, easy to use. Circular accord with human body as a result, the convenient grip strength. MORE + recommended product bottle PET health products bottle PET health products bottle PET health products bottle PET care bottle PET health products bottle PET health products bottle PET health products square bottle PET health products plastic PET health products bottle PET health products bottle PET health products bottle PET health products' Bowling bottle 】 PET health products bottles [ New arrival] Pet health products bottles 【 Preview 】 Acrylic health food bottle PS supplement bottle PS health food bottles of special tear cover cover