Cure Caltrans 2250 White

Ready-to-use concrete curing compounds are high solids, white-pigmented, and poly-alphamethylstryene-based. These formulations were developed for various departments of transportation as premium-grade concrete curing compounds. The 2200-WHITE series offers rainfall protection typically within four hours of application, developing sufficient hardness and film integrity.

USES

The 2250-WHITE series is white-pigmented to reflect the sun’s rays. This maintains cooler concrete, which reduces the expansive and contractive stresses that cause cracking during the hydration process. When properly applied, each product in the 2250-WHITE series provides a tough, smooth, uniform film with excellent adhesion to the fresh concrete surface, producing high quality, durable concrete.

FEATURES/BENEFITS

  • Offers protection from de-icing salts on new concrete.
  • Ready for use and easily applied.
  • Excellent moisture retention.
  • Does not react with the ingredients in Portland cement concrete.
  • Poly-alphamethylstyrene-resin-based.
  • Furnishes a white-pigmented film, allowing for cooler concrete during the hydration process.
  • Improved abrasion resistance of concrete surface.
  • VOC-compliant.

PACKAGING
5 Gallon Pails
55 Gallon Drums

COVERAGE
Unless directed by application specifications, the rate of coverage should be approximately 200 ft.2/gal.

SHELF LIFE
When stored indoors in original, unopened containers at temperatures between 40° – 90° F optimum performance and best use is obtained within one year of date of manufacture.

Safet Data Sheet

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Product Description

SPECIFICATIONS

2245-WHITE, 2250-WHITE, 2255-WHITE
AASHTO M 148, Type 2, Class B
ASTM C 309, Type 2, Class B
ASTM C 1315, Type II, Class B
2245-WHITE: Utah DOT, Section 706-3A
2250-WHITE: CALTRANS, System 1
2255-WHITE: Minnesota DOT, 3754 AMS
  • Complies with U.S. EPA, LADCO, OTC and SCAQMD VOC requirements.

TECHNICAL DATA

2245-WHITE 2250-WHITE 2255-WHITE
Color: White White White
Reflectance, %: 68 68 70
Weight per Gallon, (lb./gal): 8.6 8.7 8.6
Settlement, mL: 1 1 1
Water Retention, kg/m2 @ 24 hrs: 0.17 0.13 0.13
Water Retention, kg/m2 @ 72 hrs: 0.23 0.19 0.21
VOC Content, g/L: 319 290 263

Note: All data is typical.

APPLICATION
Surface Preparation  If the surface of the concrete is clean and free of foreign matter, no further preparation is required. If foreign matter, such as dirt and dust, has accumulated on the surface, it should be removed before applying the compound. If surface moisture has evaporated, as in the case of formed concrete, or the concrete is beginning to dry out, best curing is obtained if the concrete is wetted before application of a 2200-WHITE series product. NOTE: The concrete surface should be moist, but free of standing water. Once the concrete will accept walking workmen without marring, the surface is ready for the application of any 2200-WHITE series product.

Mixing  Any settling in the drums can be re-dispersed with gentle agitation prior to use. CAUTION: TO AVOID FOAMING, DO NOT MIXEXCESSIVELY.

Application Method … Apply curing compound to the surface of the concrete with spray equipment, such as a Chapin 1949 with 0.5 GPM spray nozzle, as soon as possible after the moisture has left the surface. Spray equipment should be capable of spraying a smooth, uniform coat.

Workmen should not track across freshly poured concrete until after the concrete is coated with the curing compound and the film has dried thoroughly.

Drying Time  The product dries in approximately one hour. Restrict foot traffic for at least four hours.

Cleanup … Clean equipment promptly with mineral spirits or other suitable petroleum distillate.

PRECAUTIONS
Keep from freezing. Do not apply on interior surfaces. Do not apply when the temperature of the concrete is less than 40° F. DO NOT MIX WATER-BASED COMPOUNDS WITH ANY COMPOUND CONTAINING SOLVENT. SEPARATION WILL OCCUR.

In areas in the South Coast Air Quality Management District in California, the product is for use on roadways and bridges only. (Not for use on curbs and gutters, sidewalks, islands, driveways, and other miscellaneous concrete areas.)