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High molecular weight methyl methacrylate (MMA) homopolymer offering excellent clarity and UV resistance.
Superior weatherability and long-term color stability for outdoor applications.
Good solubility in common organic solvents including esters, ketones, and aromatic hydrocarbons.
Consistent batch-to-batch performance with tightly controlled molecular weight distribution.
Low yellowing index and high gloss retention after accelerated aging.
High-performance automotive clearcoats and topcoats.
Premium architectural coatings for façades and cladding systems.
UV-stable industrial maintenance coatings for infrastructure and equipment.
Clear protective overprint varnishes for decorative laminates and signage.
Formulation component in specialty solvent-based coil coatings.
| Chemical Type | Methyl methacrylate homopolymer |
| Product Form | Free-flowing granular solid |
| Appearance | White to off-white granules |
| Primary Applications | Solvent-based high-gloss coatings |
| Key Features | High clarity, UV stability, low yellowness |
| Benefits | Enhanced durability, gloss retention, and formulation flexibility |
| Solvent Compatibility | Compatible with xylene, toluene, MEK, ethyl acetate, and butyl acetate |
| Typical K-value (ASTM D1795) | ~65–68 |
Q1: What is the primary function of Elvacite 4018 in coating formulations?
A: Elvacite 4018 is a solution-grade methyl methacrylate-based acrylic resin designed to serve as a film-forming binder and rheology modifier in solvent-borne coatings, particularly for high-gloss industrial and automotive refinish applications. It contributes excellent clarity, UV resistance, and compatibility with common organic solvents and other resins.
Q2: Is Elvacite 4018 suitable for use in food-contact coatings?
A: Elvacite 4018 is not pre-qualified for direct food-contact applications. Its suitability for such uses depends on full formulation evaluation, regulatory review, and compliance verification by the end-user under applicable regional food-contact regulations — Lucite International does not provide food-contact compliance documentation for this grade.
Q3: How should Elvacite 4018 be handled and stored to maintain stability?
A: Store in tightly sealed original containers in a cool, dry, well-ventilated area away from direct sunlight and ignition sources. Avoid prolonged exposure to elevated temperatures or moisture. Under recommended storage conditions, shelf life is typically 12–24 months from date of manufacture — always confirm batch-specific guidance via the Certificate of Analysis.
Q4: Which solvents are commonly used to dissolve or dilute Elvacite 4018?
A: Elvacite 4018 exhibits good solubility in aromatic hydrocarbons (e.g., xylene, Solvesso™ grades), ketones (e.g., MEK, MIBK), and esters (e.g., ethyl acetate, butyl acetate). Compatibility with aliphatic hydrocarbons is limited, and water-miscible solvents like alcohols may cause cloudiness or precipitation depending on concentration and temperature.
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