Pavement Coatings, Inc.
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Manufacturers of Pavement Maintenance Products and Equipment
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Please feel free to contact us with any questions or
for any additional information about any of our products.
1-800-422-9554
Star-Seal
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  STAR-SEALŪ Information
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Prime Coat - For old, oxidized pavements, a primer coat is recommended.
The suggested materials are noted below;
A. diluted with clean potable water in 1:3 volume ratio (sealer;water) applied at 0.04 to 0.06 Gal (undiluted sealer)/ Square Yard.
B. Star One Step, diluted with clean potable water in 1;2 volume ration (Star One Step;Water), applied at 0.05-0.08 gal. (mixed)/Square Yard.

CURING TIME
Will vary according to temperature and relative humidity at the time of application.
Under ideal conditions (77F and 50 % R.H.) allow at least:
4-6 hours between coats
24 hours after application of the last coat, before opening to vehicular traffic.

WEATHER LIMITATIONS
Surface and air temperature should be a minimum 50 F and rising.
Do not apply on rainy, foggy, or extremely humid days, or if rain is in the forecast within 24 hours.
Dampen the pavement with a fine mist of water if the surface temperature is over 85 F to facilitate even spreading. Do not allow water to puddle on the surface.



TECHNICAL RESEARCH
The two most important factors in sealcoating strength and longevity are resistance to water absorption and traffic abrasion. The following demonstrate why Star-SealŪ performs so well in "real world" situations.


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WATER ABSORPTION PROFILE
The cured films of sealcoatings have varying degrees of water absorption, depending upon the water sensitivity of the ingredients used in their formulations.

Star-SealŪ is formulated the least water sensitive ingredients and is therefore least affected by the problems associated with water absorption.

STAR seal SCRUB RESISTANCE UNDER WATER
(ASTM D-2468 modified)
The cured films of sealcoatings frequently encounter rain, snow and sleet. It is extremely important that these films retain their performance properties under such conditions and not be prematurely eroded by traffic.

The scrub resistance test has consistently proven Star-SealŪ to have excellent durability under water.


Specifications and Standards:
Star-SealŪ meets or exceeds...
Federal Government Specification RP-355e (GSA-FSS), June 1987.U.S. Air Force and F.A.A. specifications.
State Specifications using coal tar emulsions for government projects and bridge decks.
American Society for Testing and Materials (ASTM) D-3320-74T and D-490, COKE oven tar specification.

PHYSICAL PROPERTIES AND CONSTANTS STAR-SEALŪ RP-355e
Solids, % by weight 50 (+ / -) 1 47-53
Ash. % of Solids by wt. 37 (+ / -) 1 30-40
Solubility of Non-Volatiles in Carbon Disulfide 30 (+ / -) .05 20 min. <
Specific Gravity 25/25 C 1.22 (+ / -) .02 1.2 min.
Drying Time, Hrs. 7.0 8.0 max. <
Appearance, wet Dark Brown, semi-liquid  
Color upon drying Dark Charcoal Black  

Application Specification MSDS
Star-Seal Page 1 Order

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