1. Size: The size or sealed sample confirmed by both parties shall prevail 2. Weight: The weight or sealed sample confirmed by both parties shall prevail 3. Capacity: subject to the net content or sealed sample on the bottle 4. Printing adhesion and hot stamping (silver) fastness: the ink and hot stamping (silver) fall off area is less than 0.5mm2. 5. The inner tank is tightly matched with the bottle body, and must not fall off. The effect is subject to the sealed sample. 6. Clamshell performanc...
Acceptance rules for plastic bottles 1. Appearance inspection items: A sampling plan of GB2828.1 general inspection level Ⅱ normal inspection. Adoption of AQL value of appearance qualified quality level and defect types (1) Class A defects: cracks, gaps, closed mouths, different varieties, incomplete threads, misprints, missing letters, severely misaligned layouts, foreign matter in the bottle, free pollution, barcode printing errors, liner loss, main view Black spots or heterochromatic spots ≥ ...
1. Appearance: It is mainly based on visual inspection and in a well-lit environment, with normal vision, 20cm-30cm from the front of the eye for inspection. 2. Size: Use a ruler or a vernier caliper with an accuracy of 0.02 mm to measure the sample and record the value. 3. Weight: Weigh the sample with a scale with a division value of 0.1g and record the value. 4. Capacity: Weigh the sample on a scale with a division value of 0.1g, remove the gross weight of the bottle, inject tap water into th...
Tightness testing of plastic bottles: (1) Fill the bottle with water of the same weight or volume as the net content of the product, put it in a vacuum box, and evacuate to -0.05MPa for 5 minutes. There should be no leakage. (2) If none of the above vacuum tests pass, add water with the same weight or volume as the net content of the product to the side for 24 hours. There should be no water leakage. (This method is only for wide mouth bottles) Drop test of plastic bottle: add water with the sam...
Glass bottles are the main category of cosmetic packaging materials, which are mainly used in skin care products (creams, lotions), perfumes, essential oils and nail polishes. Small capacity, more than 200ml capacity is rarely used in cosmetics. Glass bottles are divided into wide-mouth bottles and narrow-mouth bottles. Wide-mouth bottles are generally used for solid pastes. It is advisable to distribute aluminum or plastic caps. Bottle caps can be used for color spraying and other effects. Emul...