Basic quality requirements for pump head

Pump head basic quality requirements: pump head is a major container accessories in cosmetic packaging materials, its main role is through the coordination with plastic bottles, glass bottles, hose and other containers, absorb the contents for application, therefore, the quality of the pump head directly determines the consumer experience for the product.

Pump head appearance basic requirements: cloak/burr: cloak and burr do not affect the use of function, appearance feel dust cover fit well, not easy to fall off, no scratch, no spot. Noise: no obvious color difference and noise spots or lines.

Dirty/foreign body: can not be sassafras removed foreign body, product contact area: can erase dirty and foreign body, non-product contact area: can erase dirty and foreign body, smooth and complete, uniform thickness, no obvious skew, defects, parts incomplete.

Spray pump head product basic structure: gram weight: no more than 3% deviation of gram weight, matching: with flexible rotation, moderate tightness; No teeth. Gap between nozzle and bottle neck ≤1.5mm. Straw: Suitable length, not easy to loose. Pump number: water agent, emulsion ≤5 times; Cream shape ≤10 times. Ejection effect: the nozzle needs to be mist, nozzle, pressure head range needs to reach more than 1m. Weight: Generally according to the weight agreed in the contract size: agreed in the contract thickness: agreed in the contract thickness printing/hot stamping adhesion: soaked in water for 0.5h, ozone fumigation for 0.5h, UV irradiation for 1h printing without shedding. 3M-810/3M-600 peel test, shedding area less than 10%. Alcohol wipe test, material coated swab for 1H, no obvious shedding, fading electroplating/spraying adhesion: ①3M-810/3M-600 hundred grid test, shedding area is less than 10%. (2) Alcohol wipe test, inner material coated swab 1H, no obvious shedding and fading. Fit: Fit tightly, smoothly, no loose, slippery teeth.