ARDEX K 523 Self-Leveling Concrete Top with Aggregate Surface 50 lbs

ARDEX K 523™ is a self-leveling top that can be polished and poured to quickly resurface interior concrete. ARDEX K 523 can be installed from a minimum thickness of 9 mm (3/8 in) to a maximum thickness of 5 cm (2 in). With black and white aggregate, ARDEX K 523 provides a polished “aggregate exposed” surface. Polishing can be done in as little as 24 hours.

Important features

• A blend of Portland cement, hydraulic cements and specialty black and white aggregate.
• Lining the interior concrete
• Walk on in two to three hours, polish in as little as 24 hours
• Use for interior floors only

Standards

Tested in accordance with ASTM C1708

Facility

• Mixing ratio: 3.07 or 3.55 L (3.25 or 3.75 pints) of water per 22.7 kg (50 lb) bag
• Coverage: Up to 1.2 m² per bag at 9 mm (13 ft² at 3/8 in)

Yield

• Flow time: 10 minutes
• Compressive strength (ASTM C109/mod – air dry only): 436 kg/cm² (6200 psi) after 28 days
• Flexural strength (ASTM C348): 77 kg/cm² (1100 psi) after 28 days
• Walkable: 2 – 3 hours (without E 25); 24 hours (with E 25)
• Polishable: Two to three hours (without E 25), 24 hours (with E 25)
• Available Colours: Gray
• VOC: 0
• Packaging: Bag net weight: 22.7 kg (50 lbs)
• Storage: Store in a cool, dry place. Do not leave the bags exposed to the sun.
• Shelf life: Nine months (unopened)
• Warranty: ARDEX Americas standard limited warranty applies.