General
Crafco RoadSaver Silicone is a uniquely formulated low modulus non-sag silicone for sealing joints in portland cement concrete pavements in all climates. The product is supplied as a ready-to-use one component moisture curing system which provides a lasting and flexible seal. Crafco RoadSaver Silicone can be used in all typical concrete joint applications on highway and airfield pavements. Crafco RoadSaver Silicone offers outstanding weathering resistance, remains flexible down to temperatures as low as –50°F (-46°C), is jet-blast resistant and will maintain field serviceability when exposed to intermittent fuel and oil spills. The sealant bonds strongly to portland cement concrete joints without the use of a primer. RoadSaver Silicone sealant is compatible with asphalt pavement. RoadSaver Silicone is easily applied to pavement joints using bulk dispensing system units such as the Roadstar joint sealant pump or those available from manufacturers including Pyles/Graco and Johnstone. RoadSaver Silicone has been a top performing quality Crafco product for over 15 years. VOC < 75 g/l.

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Details

Specification Conformance

Crafco RoadSaver Silicone conforms to specifications for low modulus silicone for many highway departments, federal agencies and the FAA. The product also meets and exceeds all requirements of ASTM D5893 "Standard Specification for Cold-Applied Single Component, Chemically Curing Silicone Sealant for Portland Cement Concrete Pavements" for type NS sealant. In the following specifications several of the D5893 parameters are more restrictive to better reflect properties of RoadSaver Silicone.

ASTM D5893 Physical Requirements	ASTM D5893 NS Requirements
Cure Evaluation (ASTM D5893)	Pass at 21 days
Rheological Properties (ASTM D2202)	0.30 in (7.6mm) max slump
Extrusion Rate (ASTM C1183)	Type S, 50 ml/min. minimum
Tack Free Time (ASTM C 679)	5 hr. max
Effects of Heat Aging (ASTM C 792)	10% max. Loss
Effects of Accelerated Weathering (ASTM C793)	Pass 5000 hours
Resilience (ASTM D5893)	75% min.

Installation
The unit weight is 10.9 pounds per gallon (1.31 kg/L). One gallon will seal 150 feet (45.7m) of 1/2 inch (1.2cm) wide by 1/4 inch (0.6cm) deep joint. Exact yield will vary depending on thickness of sealant, waste, application techniques, etc. Prior to use, the user must read and follow Installation Instructions for RoadSaver Silicone to verify proper product selections, applicator pumps, pavement preparation procedures, application geometry, usage precautions and safety procedures. These instructions are provided with each drum of sealant

Additional Information

Manufacturer: Crafco Inc.

For More Information on the Roadsaver Silicon NS, [Click Here] to Link to Manufacturer Web Site

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