Elvacite® 2021C is a high molecular weight methyl methacrylate resin. It is well suited for lacquers and barrier coatings for rigid substrates.
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Elvacite® 2021C is an acrylic resin based on poly methyl methacrylate (PMMA). It is a high–molecular weight polymer with a glass transition temperature of 100°C that produces coatings with excellent abrasion resistance, clarity, and hardness.
Elvacite® 2021C resin is "cooked" to remove any residual monomer, making it ideal for controlling viscosity in reactive systems, such as UV-cured coatings. Elvacite® 2021C also helps control shrinkage and improve adhesion to various materials when used in UV-cured coatings.
Elvacite® 2021C is also used in lacquers and barrier coatings for rigid materials like metal, wood, and vinyl. In automotive upholstery applications, this resin provides hard, tough films with excellent abrasion resistance. Elvacite® 2021C can also be used in construction bolt cement formulations where solubility in MMA, as well as outstanding storage stability, adhesion, and mechanical performance, make it a suitable resin choice.
Appearance: Solid beads
Specific gravity (25°C): 1.20
Glass transition temperature (°C): 100
Molecular weight (Da): 119,000
Inherent viscosity: 0.469–0.527
Percent moisture (max): 0.5
Excellent barrier properties
Excellent solubility and softness
Improves toughness and rheology
Provides rheology control and reduces shrinkage in UV-curable systems
Damage caused to surfaces due to a protective coating being too soft
Abrasion and scratching of protective topcoats
Moisture damage to coatings
Lacquers
Wood coatings
Metal coatings
Plastic coatings
Structural adhesives
Reactive coatings
UV-curable coatings
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