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Dianal BR-53 is an acrylic resin intended for use as a binder in wet concrete coatings. It may also be used as a concrete curing compound.
Dianal BR-53 is a thermoplastic styrene acrylic resin typically used in wet concrete coatings and as a curing compound for concrete. Compared to other Dianal resins, the styrene content of BR-53 provides improved resistance to humidity and water. Dianal BR-53 is supplied as a solid bead that is soluble in a variety of solvents, including toluene, MEK, acetone, ethyl acetate, n-butyl acetate, and PCBTF. In concrete applications, BR-53 helps form films on the surface of fresh concrete, helping to maintain moisture as the concrete cures.
Nonvolatiles, min %: 99.0
Clarity in toluene at 40% solids: Clear
Gardner color, max: 2
Gardner viscosity at 25°C and 40% solids in toluene: L–P
Glass transition temp, onset °C: 56
Molecular weight: 65,000
Acid number, mg KOH/g resin: 6.8
MFI, g/10 min at 150°C: 24
Primary Chemistry: Styrene acrylic
Good adhesion to wet concrete
Highly resistant to chemical attack and penetration by water and humidity
Soluble in a variety of solvents
Moisture loss or poor strength of concrete being cured
Difficulty preparing solutions in a variety of solvents
Concrete coatings
Concrete curing
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