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Dianal BR-80
Dianal BR-80 is an acrylic resin used in industrial coatings, coatings for PVC, and PVC leather. It has one of the highest Tg among the Dianal BR grades.
Dianal BR-80 is a methyl methacrylate resin with one of the highest glass transition temperatures (Tg) among Dianal BR grades at 104°C. In general, it is one of the toughest resins in the Dianal series, also having one of the highest molecular weights. It is supplied as a free-flowing, nondusting bead that is soluble in solvents such as toluene, MEK, acetone, and ethyl acetate. Dianal BR-80 forms clear solutions and helps form films with excellent clarity and high hardness, while still offering a moderate degree of flexibility, adhesion, and pigment dispersion capabilities.
Dianal BR-80 is used as a binder in applications such as industrial coatings, where maximum resistance to abrasion, moisture, dilute acids and bases, weathering, and discoloration is necessary. It may also be used to provide a high degree of durability in automotive refinish coatings and coatings for PVC.
Specifications
Nonvolatiles, min %: 99.0 Clarity in toluene at 30% solids: Clear Gardner color, max: 2 Gardner viscosity at 25°C and 30% solids in toluene: U–X Glass transition temp, calculated onset °C: 104 Molecular weight: 105,000 Acid number, mg KOH/g resin: 0 MFI, g/10 min at 230°C: 0.9
Primary Chemistry: Acrylic
Features & Benefits
High hardness while offering a moderate degree of flexibility Highly resistant to chemical attack, weathering, abrasion, water, moisture, and discoloration Forms extremely durable films Good plasticizer barrier performance
Problems Solved
Low durability of coatings exposed to physical or environmental stress Difficulty finding resins that offer a modest degree of flexibility while exhibiting maximum toughness
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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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