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Quick Overview

    Roadsaver 221

    General
    Crafco RoadSaver 221 sealant is a hot-applied asphalt based product used to seal and fill cracks and joints in asphalt or portland cement concrete pavements in moderate to cold climates. RoadSaver 221 is supplied in solid form which when melted and properly applied forms a resilient, adhesive and flexible compound that resists cracking in the winter and is resistant to flow and pick-up at summer temperatures. RoadSaver 221 is used in highway, street, and airfield pavements and is applied to pavement cracks and joints using either pressure feed melter applicators or pour pots. At application temperature RoadSaver 221 is a free flowing, self-leveling product. RoadSaver 221 is a widely used, excellent performing sealant that has been a quality Crafco product for 25 years. VOC = 0 g/l.

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Details

Specification Conformance

RoadSaver 221 meets all requirement of ASTM D6690 (AASHTO M324), Type II, “Joint and Crack Sealants, Hot-Applied, for Concrete and Asphalt Pavements”, (formerly ASTM D3405 and AASHTO M301). It also exceeds requirements of ASTM D6690 (AASHTO M324), Type I, (formerly ASTM D1190, AASHTO M173), and Federal Specification SS-S-164.

Test ASTM D6690 (AASHTO M324)Type II Spec. Limits
Cone Penetration 90 max.
Flow 3mm max.
Softening Point 176°F (80°C) min.
Resilience 60% min.
Bond, -20°F (-29°C), 50% ext. Pass 3 cycles
Asphalt Compatibility Compatible
Minimum Application Temperature 380°F (193°C)
Maximum Heating Temperature 400°F (204°C)

Installation
The specific gravity of Crafco RoadSaver 221 is 1.26 at 60°F. Prior to use, the user must read and follow Installation Instructions for Hot-Applied RoadSaver, PolyFlex, Parking Lot and Asphalt Rubber Products to verify proper product selection, heating methods, pavement preparation procedures, application geometry, usage precautions and safety procedures. These instructions are provided with each pallet of product.

Additional Information

Manufacturer: Crafco Inc.
For More Information on the Roadsaver 221, [Click Here] to Link to Manufacturer Web Site
 
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