The environmental humidity of the coating workshop has an impact on the quality of the coating. Mainly because the water content changes between the adhesive and the plastic film and printed matter, as the relative humidity of the air changes. Humidity-sensitive prints will generate internal stress due to changes in size.
For example, the longitudinal expansion rate of the printed product is 0.5%, and the longitudinal thermal shrinkage of the BOPP film is 4%. If the printed product absorbs too much water and stretches, it will cause internal stress between the film and the heat shrinkage, which will cause the film product to curl and wrinkle. 3. The bond is not strong. In addition, in an environment with high humidity, the equilibrium moisture value of the printed matter will also change. A large amount of moisture absorbed from the air medium will be released from the surface during the hot-pressing process, stagnating at the bonding interface and forming locally Non-sticking phenomenon. Moreover, the change in the equilibrium moisture value of the printed matter (absorption of moisture from the air medium or moisture in the air medium) occurs mostly at the edges of the printed matter, making it form a lotus leaf edge or a tight edge, and it is not easy to form with the film in the hot press compound Good adhesion results in wrinkles, which prevents the production from proceeding smoothly.
Comfity Memory Foam Contour Pillow is a contoured neck pillow for sleeping. Expertly engineered to relieve pressure and provide personalized support throughout the night, and return to shape in the morning. This ergonomic pillow is formed to follow the natural curve of your body for conforming, therapeutic support. Comfity memory foam contour pillow comfortably supports your head, neck and shoulders when sleeping on your back or side. Comfity memory foam contour pillow never lose its shape, offering superior support and alignment year after year.
Memory Foam Contour Pillow
Contour memory foam pillow, Contoured memory foam pillow, Memory foam pillow contoured, Memory foam pillow contour
Shenzhen Comfity Technology Co.,Ltd , https://www.comfitymemoryfoam.com