The basic quality requirements of the pump head: the pu […]
The basic quality requirements of the pump head: the pump head is a main container accessory in the cosmetic packaging material. Its main function is to absorb the contents for application through cooperation with plastic bottles, glass bottles, hoses, and other containers. Therefore, the quality of the pump head directly determines the consumer's experience of the product.
The basic requirements for the appearance of the pump head: cloak/burr: cloak and burr do not affect the use function, appearance, and feel, dust-proof cover, good coordination, not easy to fall off, no scratches, no variegated spots. Noise: No obvious color difference and noise points or noise lines.
Dirt/Foreign Objects: Foreign objects cannot be removed. Product contact area: Dirt and foreign objects can be wiped off. Non-product contact area: Dirt and foreign objects can be wiped off, smooth and complete, uniform in thickness, without obvious skew, defect, or missing parts.
The basic structure of spray pump head products:
Gram weight: not more than 3% deviation of gram weight,
Matching: Flexible rotation, moderate tightness; no slippery teeth. The gap between nozzle and bottle neck≤1.5mm
Straw: suitable length, not easy to loosen.
Pumping times: liquid, emulsion type ≤5 times; cream type ≤10 times.
Spraying effect: the spray head needs to be foggy, and the spray head and pressure head must have a range of more than 1m.
Weight: generally in accordance with the contractual weight
Size: contract size
Thickness: the thickness agreed in the contract,
Printing/hot stamping adhesion: soak in water for 0.5h, ozone fumigation for 0.5h, and UV irradiation for 1h without peeling off. 3M-810/3M-600 peel test, the peeling area is less than 10%. Alcohol wipe test, wipe the inner material for 1H, no obvious peeling off
Electroplating/spraying adhesion: ①3M-810/3M-600 100 grid test, the shedding area is less than 10%. ②Alcohol wiping test, the inner material was wiped for 1H, and there was no obvious peeling and discoloration.
Coordination: Cooperate tightly, smoothly, without loose or slippery teeth.