ACRtec PU24 Elastomeric Sealant
ACRtec PU24 Elastomeric Sealant is a one-part low modulus high-performance polyurethane sealant, which cures on absorption of atmospheric moisture to form a firm and flexible rubber watertight seal for moderate cracks and control joints. ACRtec PU24 Elastomeric Sealant can be used in both horizontal and vertical applications. Excellent weather ability virtually unaffected by sunlight, rain, snow, ozone and temperature extremes.
Key Benefits
Highly resilient with excellent recovery
Provides permanent & uniform watertight seal
Excellent adhesion to most substrates
Weather resistant
Non-biodegradable & Non-toxic once cured
East to apply, no mixing required
Over painting can be done with dispersion-based paint (acrylic, vinyl)
Physical Properties
Color: Gray
Density (g/cc): 1.3 ± 0.05
Viscosity: Thixotropic paste
Shrinkage: <5
Butt Joints: ±25
Lap Joints: ±50
Shore A Hardness: 20-35
Adhesion to Concrete (N): >25
Elongation (%): >250
Chemical Resistance: pH 2.5 to 11.5, sea water
Skinning time @ 25°C & 50% RH (hrs): 24
Full cure @ 25°C & 50% RH (days): 7
Application Temperature: +10°C to +40°C
Service Temperature: -40°C to +80°C
Application Rates
Coverage rate:
Coverage rate: 16 - 18 lineal feet / sausage tube
5 - 6 lineal meters / sausage tube
Packaging: 20 oz / 591 ml sausage tubes / 20 per box