The hoses used in cosmetic packaging bottles are divided into single-layer, double-layer, and five-layer hoses, which are different in terms of pressure resistance, anti-penetration and hand feel. For example, the five-layer tube consists of an outer layer, an inner layer, and two adhesive layers. , and another barrier layer. Features: It has excellent gas barrier properties, which can effectively prevent the infiltration of oxygen and peculiar gases, and at the same time prevent the exudation of the fragrance and active ingredients of the contents.

    Double-layer pipes are more commonly used, and single-layer pipes can also be used for medium and low-grade pipes. The diameter of the hose is 13#-60#. When a certain diameter hose is selected, different capacity characteristics are marked with different lengths. The capacity of 3ml and 480ml can be adjusted arbitrarily. For the sake of beauty and coordination, the caliber below 60ml is usually used under 35#, and the caliber below 35# is usually used for 100ml.

    The process is divided into round tubes, oval tubes, flat tubes, and super fan tubes. Flat tubes and ultra-flat tubes are more complicated than other tubes, and they are also new types of tubes in recent years, so the price is correspondingly more expensive.

    Hose caps have various shapes, generally divided into flat caps, round caps, high caps, flip caps, ultra-flat caps, double-layer caps, spherical caps, eyebrow back caps, plastic caps can also be processed in a variety of processes, bronzing edge, silver edge, tinted cover. Transparent, oil injection, electroplating, etc., the tip cover and the lip back cover are usually equipped with an inner plug. The hose cover is an injection molded product, and the hose is a pull tube.