ARDEX B 20 - Overhead & Vertical Repair Mortar with Corrosion Inhibitor

Installation
Mixing Ratio: 6 1/2 to 7 pints (3.07 to 3.31 L) of water per 55 lb. (25 kg) bag

Yield: 0.42 cu. ft. per 55 lb. bag (0.0119 m3 per 25 kg bag); 20 sq. ft. per 55 lb. bag at 1/4″ (1.86 sq. m per 25 kg bag at 6 mm)

Performance
Compressive Strength ASTM C109 (psi): 1 day 3000; 7 days 5000; 28 days 6300
Flexural Strength ASTM C293 (psi): 7 days 1100; 28 days 1500
Splitting Tensile Strength ASTM C496 (psi): 7 days 485; 28 days 565
Modulus of Elasticity ASTM C469 (psi): 28 days 2.26 x 106
Direct Tensile Bond ASTM D4541(psi): 28 days 500 (failure in substrate)
Length Change ASTM C157 %: 7 days < 0.1; 28 days < 0.1; ASTM C157 (wet cure) 28 days < 0.03
Pot Life / Working Time: Approx. 15 to 30 minutes
Color: Gray
Coat or Seal: 3 to 7 days
Packaging: 55 lb (25 kg) net weight bags
Storage: Store in a cool dry area. Do not leave bags exposed to direct sunlight. Keep from freezing.
Shelf Life: One year if unopened
Warranty: ARDEX L.P. Standard Limited Warranty applies.