The pump head is a major container accessory in cosmeti […]
The pump head is a major container accessory in cosmetic packaging materials. Its main function is to absorb the contents for application by cooperating with plastic bottles, glass bottles, hoses and other containers. Therefore, the quality of the pump head directly determines the consumer's The experience of this product, this article mainly describes some basic quality factors of pump head packaging materials, for your reference:
Basic requirements for surface appearance
1.Smooth and complete, uniform thickness, no obvious skew, defects, and missing parts
2. Dirt / foreign matter: Do not remove foreign matter, product contact area: can erase dirt and foreign matter, non-product contact area: can erase dirt and foreign matter
3. Noise: No obvious chromatic aberration and noisy dots or lines.
4. Dust cover Cooperate well, not easy to fall off, no scratches, no mottled spots.
5. Cloak / burr: The cloak and burr do not affect the use function and appearance feel