O'Brill Company

Construction Specialty Suppliers

       6626 N. Milwaukee Ave.

Niles, IL 60714

773-775-1122 or 847-647-0005

FAX 847-647-7819

Since 1967

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1300 - Clear




NO. 372


Provides an excellent wax-base cure for interior and exterior, horizontal and vertical concrete surfaces, not to be finished later.

Technical Description
SEALTIGHT 1300-CLEAR Water-Base, Wax-Base Concrete Curing Compound is an excellent cure for interior and exterior, horizontal and vertical concrete surfaces. When properly applied, it provides an impermeable film which optimizes water retention.

SEALTIGHT 1300-CLEAR meets maximum VOC content limit of 350 g/L for Concrete Curing Compounds as required by the U.S. EPA Architectural Coatings Rule.

1300-CLEAR is used on both interior and exterior, horizontal or vertical concrete applications, where subsequent surface treatments will not be applied.

Advantages and Benefits

bulletWhen properly applied, it provides an impermeable film which optimizes water retention
bulletFurnished as a ready-to-use, true water-base compound
bulletProduces hard, dense concrete... minimizes hair-checking, thermal cracking, dusting and other defects
bulletEnhances the functional capabilities of concrete by "sealing in" the performance assets of strength and long life
bulletOffers a compressive strength significantly greater than improperly cured concrete
bulletIncreases tensile strength for greater resistance to cracking and surface crazing
bulletImproves resistance to abrasion and corrosive action of salts and chemicals... minimizes shrinkage
bulletApplies quickly and easily with conventional, commercial spray equipment
bulletVOC compliant...meets the U.S. EPA Architectural Coatings Rule requirements

Application Tools

Manual Sprayer

Power Sprayer


PREPARATION: Application equipment must be clean and free of any previously used materials.


METHOD OF APPLICATION: May be sprayed on in one even coat with a hand or power sprayer as soon as the surface water disappears from horizontal concrete surfaces. On vertical surfaces, spray on promptly after the forms are removed. Use a Chapin 8005 spray tip that produces a flow of 1/2 gallon (1.89 liters) per minute under 40 psi (.276 MPa) of pressure.

CLEAN-UP: Application equipment may be cleaned easily with soap and water while material is still wet.

Approximately 200 ft./gal. (4.9m/L).

5 gallon (18.93 liter) Pails
55 gallon (208.20 liter) Drums

Physical Properties
DRYING TIME: Depends on weather conditions and coverage, but will generally dry in 1 hour. Restrict foot traffic for at least 4 hours.
FLASH POINT: Greater than 212F (100C).

Conforms To or Meets:
ASTM C 309, Type I, Class A
AASHTO M 148, Type I, Class A

HEALTH HAZARDS: Direct contact may result in mild irritation.

Do not apply when the temperature of the concrete is less than 40F (4C). DO NOT MIX WITH COMPOUNDS CONTAINING SOLVENT. DO NOT ADD OR DILUTE WITH ANY OTHER COMPOUND. KEEP FROM FREEZING. Do not use on concrete surfaces where paint, tile or other treatments will be subsequently applied. Refer to Material Safety Data Sheet for complete health and safety information.

This material last updated January, 2000.

W. R. MEADOWS, INC. warrants that, at the time and place we make shipment, our materials will be of good quality and will conform with our published specifications in force on the date of acceptance of the order. THE FOREGOING WARRANTY SHALL BE EXCLUSIVE AND IN LIEU OF ANY OTHER WARRANTY, EXPRESS OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ALL OTHER WARRANTIES OTHERWISE ARISING BY OPERATION OF LAW, COURSE OF DEALING, CUSTOM OF TRADE OR OTHERWISE. As the exclusive remedy for breach of this Warranty, we will replace defective materials, provided, however, that the buyer examine the materials when received and promptly notify us in writing of any defect before the materials are used or incorporated into a structure. Three (3) months after W. R. MEADOWS, INC. has shipped the materials, all our Warranty and other duties with respect to the quality of the materials delivered shall conclusively be presumed to have been satisfied, all liability therefore terminates, and no action for breach of any such duties may thereafter be commenced. W. R. MEADOWS, INC. shall in no event be liable for consequential damages. Unless otherwise agreed to in writing, no warranty is made with respect to materials not manufactured by W. R. MEADOWS, INC. We cannot warranty or in any way guarantee any particular method of use or application of the performance of materials under any particular condition. Neither this Warranty nor our liability may be extended or amended by our salesmen, distributors or representatives, or by our distributor's representatives, or by any sales information or drawings.

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Copyright 2002 O'Brill Company
Last modified: August 09, 2004