Q-SEAL 290SG Loop Sealant

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Q-SEAL 290S Detector Loop Sealant is a one component thixotropic moisture curing polyurethane sealant. It is designed for use in both asphalt and concrete pavement to provide a weather and chemical resistant waterproof seal.

Q-Seal 290S is used as a protective seal for traffic detector wire loops employed in actuated intersections. It may be used as a sealant for saw cuts in concrete or asphalt surfaces.

Q-Seal 290S will skin over in approximately 3 hours at 77 F and 50% R.H. At temperatures below 77 F this product will take proportionately longer time to cure. At temperatures above 77 F it will take a proportionately shorter time to cure.

Remove standing water. The substrate should be dust free and as smooth as possible before installation of Q-Seal 290S. It is recommended that surface temperatures at time of sealant application should not exceed 100 F nor fall below 35 F.

Q-Seal 290S detector Loop Sealant exhibits exceptional chemical resistance to the following chemicals:

• De-icing salts
• Gasoline
• Hydraulic Brake Fluid
• Motor Oil
• Sodium Chloride (5%)

Contains MDI (methylene diisocyanate). Keep away from heat and open flames. Use only in well ventilated areas. Do not breath vapours. In case of contact, immediately flush eyes or skin with plenty of water for at least ten minutes. If contact is made with eyes, get immediate medical attention.

Physical Properties:
• Color: Black
• Brookfield Viscosity: 20,000-30,000 cps
• Specific Gravity: 1.20
• Hardness 65 Shore A, ASTM D2240-91
• Elongation: 250-300%, ASTM D412
• Tensile Strength: 450-500 psi, ASTM D412
• Solids: 80%