Prior to furnishing epoxy powder to coaters for Iowa DOT projects, the powder manufacturer shall submit the following:
1. A written application by the company to become an approved powder manufacturer shall be submitted to the Central Materials Office in Ames, Iowa.
2. Product information, specifications, and recommended application procedures, including minimum gel and cure time
3. A fingerprint sample of the powder, product name and number, and manufacturer name.
4. Prequalification shall be in accordance with ASTM D3963/D3963M and ASTM A775/A775M.
5. A 100 gm (3.5 oz.) sample shall accompany the application.
Upon satisfactory review of this application and a satisfactory trial run in an approved coating plant, the company will be placed on the approved list. Continued approval will be based on satisfactory test results of monitor samples secured at the coating plant.
MANUFACTURER
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PRODUCT
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REPAIR COMPOUND
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(Patching Materials) |
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3M |
Scotchkote 413 PC |
Scotchkote 215 PC |
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ScotchKote 215 PC |
Scotchkote 413 PC |
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Du Pont |
Nap-Gard 7-2719 |
Interpon HD34 |
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Nap-Gard 7-2750 |
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Valspar |
Greenbar #720A009 |
Greenbar Patch Compound |
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Component A 920 G 966 |
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Component B 920 C 966 |
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Morton |
Corvel Green 10-6071 |
10-6071 PC (Part A and Part B) |
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Rebar Patch Compound |
Epoxy-Coating Patching Materials
1. Patching Materials shall be compatible with the epoxy coating inert in concrete and feasible for field application.
2. Manufacturer shall specify the method of metal surface preparation and patching (repair) application procedures.
3. Patching (repair) materials shall be applied according to manufacturer’s recommendations.