Medical bottles need to ensure that the plastic bottles have good non-pollution and cleanliness, and show good use value in use.
When the surface is labelled, the label surface should be flat. A "sash" can be designed on the surface of the plastic bottle so that the tag can be accurately positioned without movement. During blow molding, the part where the preform inflates first contacts always tends to harden in advance. Therefore, the wall thickness of this part is also larger. The edges and corners are the parts where the parison is inflated last, and the wall thickness is smaller. Therefore, the edge of the plastic bottle and the corner should be rounded. Changing the surface shape of the plastic bottle, such as a relatively small central portion of the plastic bottle, increases the circumferential groove or rib on the surface of the plastic bottle, which can improve the rigidity and bending resistance of the plastic bottle. Longitudinal grooves or ribs eliminate plastic bottle deflection, sagging or deformation under long-term loading.
Stationery Supplies For School is an important branch of stationery, the main use group is students. Because stationery uses different objects, stationery supplies of school for different ages of students, stationery style and stationery needs are also very different, the primary school stationery is mostly cartoon image-based cartoon stationery series, such as cartoon plastic stationery box, wooden stamp and many more. For middle school students, the stationery of college students is mostly practical and has been favored in office stationery series such as paper notebook, Plastic Storage Box and so on. The material of stationery supplies of school will choose plastics such as ABS, PC, etc., because plastics have better stability under normal conditions and are not easily damaged.
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Stationery Supplies For School
Stationery Supplies For School,Plastic Storage Box,Cartoon Stationery Box,School Stationery Supplies
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