1. In order not to block the inkjet head, it must pass a 0.2μm filter.
2. The phenomenon of clogging will not occur, and the ink clogging will easily block the inkjet head.
3. The content of sodium chloride must be less than 100 ppm. Sodium chloride will cause the dye to settle down, and sodium chloride is corrosive. Especially in the Bubble system, the nozzle is easy to corrode. Although the nozzle is made of titanium metal, but It will still be corroded by sodium chloride at high temperature.
4. Viscosity control (1 ~ 5 cp): Piezo system requires higher viscosity, while Bubble system requires lower viscosity.
5. Surface tension (30 ~ 60 dyne / cm): Piezo system requires lower surface tension, while Bubble system requires higher surface tension.
6. Has the effect of buffer solution: the pH of the ink should be stable, and some dyes will precipitate due to the change in pH.
7. Light fastness (Light Fastness) and water fastness (Water Fastness) should be high.
8. Shelf life: The fastest period of ink from factory manufacturing to consumer use is three months, usually one year. Generally, the ink must be able to pass the 0.2μm filter for one year.
9. Thermal stability: The thermal stability of the dye for the Bubble system is better, because the ink of the Bubble system is heated to a high temperature of 400 ℃, if the dye cannot withstand high temperature, it will decompose or change color.
10. The drying speed should be just right. Too fast to easily plug the inkjet head or break the ink. Too slow to spread easily, making the dots overlap seriously.
This Parcel Drop Box will supply long-lasting strength and use for years to come. It is also furnished with a coated finish to avoid damage, withstand all-weather and corrosion to maintain a professional appearance. The rainproof design can keep the items stored in the box dry on rainy days and save your worries. Though this Package delivery box has small size but having enough space to receive parcels.
Secure Parcel Drop Box,Parcel Mailbox,Parcel Postbox,Smart Locker,Parcel Lockers
TAISHAN YUEXIN INDUSTRIAL GROUP LIMITED , https://www.gdmetalproducts.com