3902Form Coating Material

MN · 2025 Standard Specifications✓ Full text on BuildSpecBook pages 1078–0 Save this section

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3902.1SCOPE

Provide form coating Material that will prevent bonding between a form, dowel, or other object and concrete.

3902.2REQUIREMENTS

Provide form coating Material listed on the APL and meeting the following requirements:

(1)Made of a chemical release agent that does not contain ordinary lubrication oil,

conventional form oil, fuel oil, or kerosene, and has a flash point of at least 149 °F when tested in accordance with ASTM D92, Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester

(2)Prevents bonding to concrete

(3)Does not penetrate, stain, or leave a residual film on the concrete surface

(4)Does not attract dirt or other deleterious matter

Apply the form coating Material at a rate recommended by the manufacturer to provide a smooth surface free of dusting action caused by reactions of the chemical release agent. As a substitute for a form coating Material listed on the APL, the Contractor may provide epoxy coated dowel bars utilized in dowel bar baskets and dowel bar retrofits (DBR) coated with a factory applied, Department-approved petroleum, paraffin based lubricant with a manufacturer stated use as a bond breaker.

3902.3SAMPLING AND TESTING — BLANK

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Source: Minnesota Standard Specifications for Construction, 2025 Edition. Pages 1078–0 of 1,081. View official source ↗

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