Construction Specialty Suppliers
6626 N. Milwaukee Ave.
Niles, IL 60714
773-775-1122 or 847-647-0005
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|Softening point,°F:||210 °F||200 °F (min.)|
|Flexibility,90 °bend 1"mandrel @0 °F:||Pass||Pass|
|Viscosity @400°F:||500 cps|
50 lb.cartons containing two (2)25-pound blocks individually wrapped in poly bag liners.
PLS can be reheated several times. The material will not gel when overheated or heated for extended periods. Temperatures above 400°F for extended periods (over 6 hours) will begin to soften the material. If heated above 450°F, the material will begin to degrade and lose its flexibility.
The joints and cracks to be sealed must be clean and dry. The cleaning operation can be performed using a router, wire brush, oil-free compressed air, sand blaster, heat lance or other acceptable method. Curing compounds on interfaces must be removed by sandblasting. Dust, dirt and laitance should be blown out of the joint with oil-free compressed air immediately preceding the sealing operation. Sidewalls must be stable and intact. Air and pavement temperatures should be above freezing at time of sealant application.
Concrete or asphaltic Pavement and Maintenance Sealing - For ideal sealing with maximum effectiveness, it is suggested that cracks or joints should be routed out to provide a sealant reservoir 1/2" (12.7mm) wide with a minimum depth of 1/2" (12.7mm). This provides for a 1:1 width-to-depth ratio. For joints 1" (25.4mm) wide, the suggested depth is 1/2" (12.7mm) minimum.
Proper routing should be slightly larger than existing
crack/joint to ensure proper adhesion to sidewalls.
The sealant should be applied into the crack/joint from bottom up, slightly overfilling. Once applied, a follow-up should be done with a soft, rubber, U-shaped squeegee to form a wipe zone of approximately 3-4 inches (76.2-101.6mm) wide along the crack/joint and flush with the highway or pavement surface. To control and maintain the suggested joint depth and sealant usage, SEALTIGHT CERA-ROD Heat-Resistant Backer Rod may be installed in the joint opening.
USE AND APPLICATION
|Material can be melted in either a direct fire or oil
jacketed kettle. Kettles should be equipped with an agitator and properly
functioning temperature gauges. Material can be applied by pressure
applicator or pour pot.
||The polymers contained in PLS can withstand
temperatures up to 450 °F. After melting, the material should be agitated
mechanically. Material may be added as the sealant is drawn off. The product
is capable of being reheated several times and will not gel when overheated
or heated for extended periods.
||Material should be applied between 350 °F and 450 °F.
The recommended application temperature is 400 °F.
||The crackfiller should be tack free prior to coating
with a blacktop sealer.|
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