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Excellent balance of hardness and flexibility for durable film formation.
Good compatibility with nitrocellulose, CAB, and other common coating resins.
Low solution viscosity enabling high-solids formulations and efficient application.
Superior gloss retention and clarity in clearcoat and topcoat systems.
Enhanced weather resistance and UV stability for outdoor performance.
Automotive refinish clearcoats and basecoats.
Industrial maintenance coatings for metal and plastic substrates.
Architectural and industrial wood finishes.
Plastic coatings requiring adhesion, clarity, and abrasion resistance.
High-performance can and coil coatings.
| Chemical Type | Acrylic copolymer |
| Product Form | Flake or granular solid |
| Appearance | White to off-white free-flowing solid |
| Primary Applications | Clearcoats, topcoats, plastic coatings, industrial finishes |
| Key Features | Hardness-flexibility balance, solvent solubility, gloss retention |
| Benefits | Improved film integrity, enhanced durability, formulation versatility |
| Solvent Solubility | Soluble in esters, ketones, aromatic hydrocarbons, and chlorinated solvents |
| Storage Stability | Stable under dry, cool conditions; avoid moisture and excessive heat |
Q1: What is the primary function of PARALOID B-82 in coating formulations?
A: PARALOID B-82 is a thermoplastic acrylic resin primarily used as a film-former and rheology modifier in solvent-based and high-solids coatings. It enhances gloss, hardness, and mar resistance while improving flow and leveling without significantly increasing viscosity.
Q2: Is PARALOID B-82 suitable for use in food-contact coatings?
A: PARALOID B-82 is not specifically designed or certified for direct food-contact applications. Its suitability depends on full regulatory review by the formulator, including compliance with applicable regional food-contact regulations and final formulation testing.
Q3: How does PARALOID B-82 compare to other PARALOID resins like B-72 or B-66 in terms of solubility and film properties?
A: Compared to B-72, B-82 offers higher molecular weight and improved hardness and solvent resistance, while maintaining good solubility in common organic solvents such as toluene, xylene, and esters. It forms tougher, more abrasion-resistant films than B-66 but with slightly lower flexibility.
Q4: Can PARALOID B-82 be used in UV-curable systems?
A: PARALOID B-82 is not inherently UV-reactive and is typically not recommended as a primary component in 100% UV-curable formulations. However, it may be incorporated at low levels in hybrid UV/solvent systems where thermal film formation and physical property enhancement are desired alongside UV crosslinking.
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