What are the requirements for the tube body and head of the cheap Metal Aluminium Cosmetic Tube
1. The surface of the tube body of the cheap Metal Aluminium Cosmetic Tube should be smooth, free from streaks, scratches, strains and shrinkage deformation, straight and not bent.
2. The tube head and tube body of the Metal Aluminium Cosmetic Tube should be firmly connected, the wiring should be neat and beautiful, and the width should be uniform.
3. The tube head and tube sleeve of the cheap Metal Aluminium Cosmetic Tube should be well matched, and the screwing in and screwing out should be smooth, and there will be no slippage within the specified torque range. In addition, there should be no leakage of water or air between the tube head and the tube sleeve of the cheap Metal Aluminium Cosmetic Tube.
4. The plastic cover of the cosmetic tube should not have obvious shrinkage lines and sharp edges. The parting line should be smooth, accurate in size, and smooth with the tube head of the cheap Metal Aluminium Cosmetic Tube, and there will be no structural damage such as brittle cracking during normal use.
5. The thickness of the tube wall of the cheap Metal Aluminium Cosmetic Tube should be uniform, and the tolerance of the tube wall thickness, length and diameter should be within the specified range.
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