DigiPrime® 4431

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.

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Usage

This patented flexo and gravure ready coating provides excellent adhesion of HP Indigo ElectroInks® to most films and papers. This product is suitable for food contact and is especially useful for flexible packaging applications as well as label production. When applied at the recommended coating weight, the optical properties of the substrate are minimally affected, so maintaining the original aspect of the substrate. This product possesses good stability to light and is resistant to yellowing.

Description

Off-line primer for HP Indigo printability

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
HP Indigo SolutionsApplicator - flexo / gravure/ roll, OEM - Indigo ws10000, OEM - Indigo ws5000, OEM - Indigo ws7000, Substrate - film, Substrate - paper

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Physical Properties

These physical properties are typical but should not be considered specifications.

AppearanceWhite, translucent liquid
EZ Cup Viscosity (s) 8 - 13
Cup Number3
pH8.0 - 10.0
Emulsifier ChargeAmmoniated dispersion
Shelf Life (mo) 24
Freeze/Thaw StabilityStable after 5 Cycles
Percent Non-Volatile27.5 - 29.0
Specific Gravity0.99 - 1.01
Brookfield Viscosity (cps, mPa·s) <100
Spindle Number1
RPM60

Site of Manufacture (and Product Code)

CIN (DP4431)
AUB (DP4431.E)
SNG (DP4431.S)

Application Data

DigiPrime® 4431 may be applied by flexo or gravure coating systems. EZ Cup Viscosity - #3 Cup, 8-13 sec. Recommended coat weight: 0.2 to 0.3 gsm dry.