Surface Treatment And Requirements Of Cosmetic Glass Bottles

1. Color difference: The color is uniform, in line with the specified color or within the range of the color plate sealing sample.

2. Surface adhesion: spray painting, electroplating, printing, and bronzing on the appearance of vacuum bottles and lotion bottles. Use 3M810 test tape to spray the printed and bronzing (silver) parts of the shoe cover, smooth it, and make the shoe cover no bubbles. Stay for 1 minute. At 45 degrees, and then quickly peeled off, the peeling area is less than 15%

3. Printing and bronzing (silver): fonts and patterns should be correct, clear and uniform, without obvious skew, dislocation or defect; bronzing (silver) should be complete, without leakage, dislocation, and obvious overlapping or jaggedness.

4. Wipe the printing area twice with gauze soaked in disinfectant alcohol, and there is no printing discoloration and bronzing (silver) falling off.

High temperature test requirements

Vacuum bottles and lotion bottles filled with clean water (the particle size of insoluble matter should not be greater than 0.002mm) should be placed in an incubator at +50°C ± 2°C, and taken out after 24 hours. After 2 hours of recovery at room temperature, no cracking or deformation was found in the test. , discoloration, leakage of cream, water leakage and other phenomena.

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The uneven thickness of glass bottles can easily lead to damage, or be easily crushed by the contents in severe cold conditions. A reasonable capacity should be tested when filling, and paper should be used to hold and separate them individually during transportation. The product should be equipped with Color box, inner tray and middle box can get more anti-vibration effect.

Appearance quality requirements

1. Cleanliness: clean inside and outside, no free pollution, no ink stain pollution.

2. Outer packaging: The packaging carton should not be dirty or damaged, the box should be lined with plastic protective bags, and the packaging of easily scratched bottles and caps should be based on avoiding scratches. Each box is packed in a fixed quantity, sealed with tape in the shape of "G", and must not be mixed. Each batch of shipments is accompanied by a factory inspection report, and the outer box is marked with the product name, specification, quantity, production date, manufacturer, etc., which must be clearly identifiable.