Features Of DOW PARALOID B-82 Solid Thermoplastic Acrylic Resin
Excellent Flexible Film Formation - High film softness, suitable for substrates requiring bending and deformation, not easy to crack and fall off
Wide Resin Compatibility - Compatible with various resins including vinyl, nitrocellulose and chlorinated rubber, with strong formulation adaptability
Stable and Durable Performance - Weather and aging resistant, not prone to gloss loss or discoloration during long-term outdoor use, with good chemical corrosion resistance
Convenient Processing and Application - Transparent bead-like particles, accurate metering, safe storage and transportation, good solubility and dispersibility, easy to add and use
Typical Applications Of DOW PARALOID B-82 Solid Thermoplastic Acrylic Resin
Plastic Substrate Coatings - Suitable for plastic parts such as ABS, PC and PVC, providing flexible protection and decoration, applicable to home appliances and automotive interiors
Metal Flexible Coatings - Used for metal components, pipes and other parts requiring deformation, corrosion prevention and adapting to deformation needs
Wood Decoration Coatings - Flexible coatings on the surface of furniture, floors, etc., balancing decoration and deformation resistance
Composite Adhesives - Used for composite bonding of materials such as plastics and metals, with high bonding strength and flexibility
Specifications Of DOW PARALOID B-82 Solid Thermoplastic Acrylic Resin
| Product Model | B-82 |
| Brand | DOW Chemical |
| Chemical Type | Thermoplastic acrylic resin (MMA/EA copolymer) |
| Technology Type | Solid general-purpose flexible thermoplastic acrylic resin |
| Appearance | Transparent bead-like particles |
| Glass Transition Temperature (Tg) | 35 ℃ |
| Molecular Weight (Mw) | 120,000 |
| Solubility Parameter | 9.4 |
| Transparent Film Hardness (KHN) | 10 - 11 |
| Solid Content | 100 % |
| Bulk Density (25℃) | 9.7 lb/gal (about 1.16 g/cm³) |
DOW PARALOID B-82 Solid Thermoplastic Acrylic Resin – Frequently Asked Questions (FAQ)
Q1: What is the primary function of PARALOID B-82 in coating formulations?
A: PARALOID B-82 functions primarily as a film-forming binder and rheology modifier in solvent-based and high-solids coatings. It enhances gloss, hardness, and mar resistance while supporting good flow and leveling characteristics.
Q2: Is PARALOID B-82 compatible with common industrial resins and solvents?
A: Yes, PARALOID B-82 exhibits broad compatibility with alkyds, epoxies, polyurethanes, and melamine formaldehydes, as well as conventional organic solvents such as toluene, xylene, and esters. Compatibility should always be verified in the final formulation under intended processing conditions.
Q3: How does PARALOID B-82 perform in outdoor applications?
A: As a thermoplastic acrylic resin, PARALOID B-82 offers inherent UV stability and weatherability, making it suitable for exterior coatings where resistance to yellowing, chalking, and gloss retention are important performance requirements.
Q4: Can PARALOID B-82 be used in food-contact coatings?
A: PARALOID B-82 is not pre-approved for direct food-contact applications. Its use in such systems requires full regulatory evaluation by the formulator, including assessment against applicable regional food-contact regulations and migration testing in the final cured film.
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