Factory testing of plastic pump head

Haojie is a professional manufacturer of plastic cosmetic pump heads, and every pump head produced must undergo multi-step testing.
1. After the plastic pump head is sampled, the sample should be sent to the customer for confirmation to see if this plastic pump head meets the customer's requirements.
2. The cosmetic pump heads produced in large quantities must undergo appearance inspection to ensure good appearance, no scratches, no black spots, cleanliness, and hygiene.
3. The number of pump presses must be less than or equal to six times, and the pump start times for our products are generally less than five times.
4. The liquid pumped out by the plastic pump head must be uniform and meet the specifications every time, and strict pumping volume testing will be conducted.
5. The Plastic Pump Head will be matched with the customer's bottle, mixed with liquid, and tested in a vacuum environment to ensure no leakage or overflow.
6. Next, conduct a reflux test on the cosmetic pump head to see if it will reflux back to the nozzle.
7. cosmetics pump heads also need to undergo strict suction testing.
8. The thickness of the pump head gasket is generally greater than 1.8mm.
9. Pump head pipe length test.
10. All accessories are complete.