Squeegee or trowel applied synthetic copolymer cementitious underlayment. It is designed for application as a smoothing or filling compound over rough or porous substrates in an average thickness ranging from 1/16" - 3/8". A-81 SQ can be use over a wide range of substrates and for use under virtually any finished flooring or coating.
-Low permeability, yet breathable.
-Use interior-exterior.
-Recommended for use with Dex-O-Tex floors.
-Fast setting.
-Excellent freeze-thaw resistance.
-Unaffected by de-icing salts.
-Similar expansion-contraction as concrete.
-Installed only by Professional Factory Trained Dex- O-Tex Contractors.
-Tensile Strength ASTM C307 900 psi
-Flexural Strength ASTM C580 1,200 psi
-Hardness ASTM D2240, Shore D 70-75
-Adhesion ASTM D4541(100% failure in concrete) >400 psi
-Indention MIL-D-3134, Para 4.7.4.2.1 (Steadily Applied Load, 2,000 lbs. On 1" steel ram imposed for 30 min.) 2.26%
-Adhesion MIL-D-3134, Para. 4.7.1.4 (Shear from Steel Plate after 96 hours) 305 psi
-Water Absorption MIL-D-3134 3.14%
-Impact Resistance (Gardner Impact Tester) No chipping, cracking, or delamination and not more than 0.014"
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