CLEAR CURING COMPOUNDS WITH FUGITIVE DYE
FOR BARRIER RAILS
Clear curing compound for use on barrier rails shall meet the requirements of Iowa Department of Transportation Specification 4105.
Note: Curing compounds for concrete barrier incorporating admixtures with pigments for aesthetics are not included within this approved products list. Check with your pigment manufacturer for appropriate recommended curing compounds for coverage of aesthetic concretes and any project specific specifications for these materials. Compliance to ASTM C 309 is recommended.
Acceptance of clear curing compound for use on Iowa Department of Transportation projects is based on manufacturer and brand approval. Approved manufacturers and brand names are listed in the Materials Approved Products Listing Enterprise (MAPLE)
To obtain approval, the manufacturer shall submit the following to the Construction & Materials Bureau in Ames:
1. Product identification
2. Technical information on the use of the product
3. A Material Safety Data Sheet (MSDS)
4. Test data from an independent laboratory showing that the material meets the requirements of ASTM C309 type I D.
In order to maintain approved status, the manufacturer shall file a certification at the beginning of each calendar year stating that the material supplied during that year is identical with the information previously submitted and approved by the Construction & Materials Bureau. If the product has changed re-submittal of the product as indicated in Manufacturer & Brand Name Approval will be required.
Manufacturers shall submit products to NTPEP and actively submit their products as per the testing cycle scheduling as provided in the NTPEP workplan for the evaluation of Concrete Curing Compounds.
Clear curing compound may be sampled and tested as directed by the Construction & Materials Bureau to verify certification compliance.