1. Gram weight: no more than 3% deviation 2. supporting: flexible rotation, moderate elasticity; no sliding teeth. The gap between the nozzle and the neck is ≤1.5mm. 3. Straw: suitable length, not easy to loose. 4. Pump-up times: liquids, emulsions ≤ 5 times; cream-like ≤ 10 times. 5. Ejection effect: The spray head needs to be fogged, and the maximum range of the spray head and the indenter must be more than 1m. 6. Weight: Generally according to the contract 7. size: contract size 8. Thickness:...
1. Sealability: Packing materials are packed with normal-temperature water with a nominal capacity. The assembled packing materials are placed in a vacuum tester. The negative pressure is 0.08Mpa and the temperature is maintained at 45 ° C for 10 minutes. There should be no leakage. Vacuum tester A package of normal temperature water with nominal capacity, no leakage for 24 hours when placed upside down or sideways. 2. Pump output: The pump output is uniform and stable; the spray nozzle has a go...
Definition of cosmetic packaging materials: a complete cosmetic product, all materials except the contents are collectively referred to as packaging materials. Cosmetic packaging materials classification: inner packaging materials and outer packaging materials Inner packaging materials: Bottles, caps, plugs, gaskets, etc. that make direct contact with the contents of materials that make up a closed space. Outer materials: other materials used for decoration, protection of contents, and inner mat...
Packaging classification According to the packaging form and material variety of cosmetics, it can be divided into the following types: a. Bottles (including plastic bottles, glass bottles, etc.); b. Covers [including outer covers, inner covers, (plugs, pads, membranes, etc.)]; c. bags (including paper bags, plastic bags, composite bags); d. hoses (including plastic hoses, composite hoses, metal hoses, etc.); e. Boxes (including plastic cartons, plastic boxes, metal boxes, etc.); f. Spray cans (...
Cosmetic containers and container supporting categories: 1. Bottle The body of the bottle should be stable, the surface should be smooth, the thickness of the bottle wall should be basically uniform, there should be no obvious scars or deformation, and there should be no cold explosion or cracks. The mouth of the bottle should be straight and smooth, without burrs (burr), and the matching structure of thread and bayonet is intact and straight. The cooperation between the bottle and the cap shoul...