Elvacite® 4348 is a methacrylate polymer that is used as a film former in concrete coatings. It shows improved performance in high humidity environments.
Elvacite® 4348 is a methyl methacrylate-based resin that is designed for use as a film former in concrete and masonry coatings. It is similar to Elvacite® 2016 but it shows improved adhesion and performance in high humidity environments like around pools. Elvacite® 4348 is available as a non-dusting solid bead that is soluble in aromatics, ketones, esters, and glycol ethers. Solutions of Elvacite® 4348 will form clear films that adhere well to damp concrete and have exceptional gloss and abrasion resistance. An added benefit of Elvacite® 4348 in concrete coatings is that it shows less whitening when exposed to moisture than standard acrylic resins.
Appearance: White, non-dusting bead
Tg (°C): 55
Molecular Weight: 55,000
Acid Value: 3.5 mg KOH/g
Gardner Viscosity, 25°C: O-U @ 40% solids in toluene
Soluble in common solvents such as toluene, xylene, acetone, t-butyl acetate, methyl ethyl ketone, etc
Primary Chemistry: methyl methacrylate
Excellent adhesion in high humidity
Shows less whitening than standard acrylics.
Superior outdoor durability
Improved creep resistance
Clear solubility in common solvents
Poor adhesion of concrete coatings in humid climates.
Whitening of solventborne concrete coatings due to moisture contamination
Concrete Coatings; Masonry Coatings
Elvacite® 4348 acrylic resin provides excellent adhesion to substrates when dry and water saturated, and improved creep resistance with a balance of flexibility, hardness, adhesion and outdoor durability.
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