Elvacite™ 4028 is a high molecular weight methacrylate copolymer that is designed for use as a binder in screen printing inks.
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Elvacite™ 4028 is a thermoplastic acrylic resin composed of methyl methacrylate and n-butyl methacrylate. It is available as a solid bead that is soluble in ketones, toluene, glycol ethers, esters, and chlorinated hydrocarbons. Elvacite is primarily used as a binder in screen printing inks; however, it can be used in a variety of ink formulations including flexographic and gravure. It provides good pigment wetting and produces films that are flexible yet remarkably durable. Due to a good balance of physical properties and adhesion Elvacite™ 4028 is also used in PVC finishing lacquers, plastic coatings, and heat seal adhesives.
Appearance: Solid beads
Glass transition temp, onset: 103°C
Molecular weight: 96,000
Inherent viscosity: 0.430 - 0.475
Brookfield viscosity (cP) @ 30% in toluene: 300 - 500
% Moisture: 0.5 (max)
Particle size (microns) Microtrac®D50: 120 - 240
Primary Chemistry:
Methacrylate Copolymer
Cracking of screen printed inks due to a lack of flexibility Adhesion failure to plastic films and surfaces Abrasion and scratching of coatings and inks
Screen Printing Inks Flexographic Inks Gravure Inks Plastic Coatings PVC Finishing Lacquer Heat Seal Coating
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