Cosmetics packaging compact structure

Open cartridges on market at present is the most common way is to rotate open, also have sliding open cartridges, common in compact. Travel pack of cartridges in order to put a lot of kinds of powder together, the combination of the two open way. Rotate open is the most mainstream of compact structure, rotate and open below we mainly as an example to discuss the structure of compact.

cartridges basic composition including cover, bottom, lens ( Sometimes omitted) , the position of the feed powder and powder puff; Rotate open cartridges will have the axis of rotation, sliding open cartridges have slide guide ( Usually the design on the bottom of the cover) 。 Shown below is one of the most common rotating open cartridges, contains cover ( 帽) , bottom ( Base） And the lens ( 镜子) , powder ( Insert） And a shaft ( Hinge Pin） And the top button ( 按钮) 。 Powder plate inside the Insert, powder puff inside the Base.

round compact powder and powder puff is usually two layer from top to bottom, is usually placed around the square cartridges.

end of lid, cartridges, powder material is usually a plastic, the most commonly used material is ABS, SAN, PCTA, PP, PMMA, etc. ABS generally need parts by the coating process; SAN for general transparent parts, or in a mixed with ABS to improve the brightness of the parts; PMMA is commonly used in thick wall transparent parts ( PMMA is not resistant to alcohol) ； PCTA generally used for chemical resistance high compact; PP is generally used in compact with sealing requirements.

the lens material is painted glass material, thickness in 1. About 3 mm, usually require lenses lead-free ( 无铅) 。 Few have plastic, but plastic lenses effect is much less than the glass lenses, easy to deformation, phase distortion caused by shadows. In the wake of the

nail commonly used stainless steel nail ( Solid core steel nails, nail tubular steel, tubular tooth nail, coil nail, etc. ) , copper wire general use on the opaque cartridges, plastic nail ( Generally PET material) To close the cover used on the new bulge function on the compact.