Sika Level-525 Rapid Rapid setting, durable, cementitious self-leveling underlayment

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Sika Level-525 Rapid Rapid setting, durable, cementitious self-leveling underlayment
Categories:	Ceramic; Concrete
Material Notes:	Sika® Level-525 Rapid is a one-component, durable and versatile cementitious underlayment for interior concrete and cementitious substrates. It can be applied manually or by pump to produce a self-smoothing, rapid-setting, and flat substrate prior to the application of a final floor finish. Typical application thickness is 1/16” to 1/2” (1.5 to 12.7 mm), or up to 1” with aggregate. Where to Use: Concrete Cement substrates Rapid drying cement screed systems OSB/Plywood only suitable for flexible coverings Ceramic tiles, terrazzo or natural stones Old water-resistant adhesive residues Advantages: For interior use only Rapid setting for fast job turnaround Smooth, fluid and workable Manual or pumpable applications High strength Suitable for application on subfloor heating systems Can accept caster wheel loading if the thickness is greater than 1/8’’ For forklift truck traffic, layer thickness at least 1/8” Information provided by Sika Corporation.
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Physical Properties	Metric	English	Comments

Density	1.89 g/cc	0.0683 lb/in³
Volatile Organic Compounds (VOC) Content	0.00 g/l	0.00 g/l	EPA method 24

Mechanical Properties	Metric	English	Comments
Flexural Strength	11.0 MPa @Time 2.42e+6 sec	1600 psi @Time 672 hour	ASTM C348
Compressive Strength	34.5 MPa @Time 86400 sec	5000 psi @Time 24.0 hour	ASTM C109
	37.9 MPa @Time 605000 sec	5500 psi @Time 168 hour	ASTM C109
	52.4 MPa @Time 2.42e+6 sec	7600 psi @Time 672 hour	ASTM C109

Processing Properties	Metric	English	Comments
Cure Time	25.0 - 40.0 min	0.417 - 0.667 hour	Initial set; ASTM C191
	35.0 - 55.0 min	0.583 - 0.917 hour	Final set; ASTM C191
	60.0 - 90.0 min	1.00 - 1.50 hour	Ready for Foot Traffic
	90.0 - 120 min	1.50 - 2.00 hour	Ready for Tiles or Stone
	720 min	12.0 hour	Ready for Floor Covering
Working Life	25.0 min	25.0 min
Shelf Life	12.0 Month @Temperature 5.00 - 30.0 °C	12.0 Month @Temperature 41.0 - 86.0 °F	in original unopened cartridge

Descriptive Properties
Color	Concrete gray

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PSIKA912 / 209819

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