DigiPrime® 4450
Brand Family Overview
Michem® Prime functionalized copolymer dispersions deliver the flexibility, water/chemical resistance and barrier properties of polyethylene in a water-based form. Property enhancements include; excellent clarity, adhesion, lower heat seal temperature, toughness, and crosslinkability.
See more Michem Prime products.Usage
A ready to use primer which provides excellent adhesion of HP Indigo ElectroInks® to most films and papers. It has exceptional anti-block properties and can be used for two sided printing. It also has food contact approval.
Description
Off-line primer for HP Indigo printability
Performance Attributes
This product is used in many applications including the following:
| Application | Properties Imparted |
|---|---|
| HP Indigo Solutions | Applicator - flexo / gravure/ roll, OEM - Indigo various presses, Substrate - film, Substrate - paper |
See more products recommended for HP Indigo Solutions.
Physical Properties
These physical properties are typical but should not be considered specifications.
| Appearance | White, translucent liquid |
|---|---|
| EZ Cup Viscosity (s) | 22 - 24 |
| Cup Number | 2 |
| pH | 8.0 - 10.0 |
| Shelf Life (mo) | 12 |
| Freeze/Thaw Stability | Stable |
| Percent Non-Volatile | 30.0 - 32.0 |
| Recommended pH Range | >7 |
| Specific Gravity | 1.00 - 1.02 |
| Brookfield Viscosity (cps, mPa·s) | <100 |
| Spindle Number | 1 |
| RPM | 60 |
Site of Manufacture (and Product Code)
CIN (DP4450)
AUB (DP4450.E)
SNG (DP4450.S)
Application Data
DigiPrime® 4450 may be applied by flexo or gravure coating systems. Recommended application rate for films is between 0.5 to 0.2 gsm dry coat weight. For paper, slightly higher weights will be needed to overcome the absorption of the substrate, this will vary from paper to paper but dry weights around 0.7 to 1 gsm are recommended. EZ Cup Viscosity - #2 Cup, 22 - 24 sec.