CHOCKFAST® ORANGE HARDENER RATIO GUIDE- TB #665 FOR CHOCKING BETWEEN STEEL & CONCRETE
●BULLETIN DESCRIPTION
■The purpose of the hardener in every epoxy compound or coating is to cause a chemical reaction that will result in the hardening of the epoxy resin. This reaction usually creates heat within the epoxy that forces the molecules to cross-link and bond tightly together. Depending on the type and quantity of resin, additives and hardener used, the final epoxy product will have certain physical properties such as compressive strength, flexibility, hardness, shear strength, shock resistance, etc.
■The overwhelming majority of epoxy compounds have a fixed ratio of resin to hardener that results in a product with predictable physical properties. However, rather than specify an exact amount of hardener to use with CHOCKFAST Orange, ITW provides the end user with the ability to determine the correct amount for a particular installation that will cause the compound to achieve maximum physical properties strength. The amount of hardener is determined based on the temperature of the materials surrounding the chock and the thickness of the chock.
■By varying the amount of hardener used, the reaction that takes place between the resin and the hardener can be managed. The goal is to achieve a relatively high exothermic heat within the CHOCKFAST without causing it to either boil or crack. It is this high heat that gives CHOCKFAST Orange its exceptional strength characteristics.
■Using CHOCKFAST Orange between steel and concrete or steel and epoxy is different than using it between two pieces of steel. Steel has a much greater ability to absorb heat from the CHOCKFAST during the curing process. For this reason, slightly less hardener is used when pouring CHOCKFAST on top of concrete or another epoxy.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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06/2021 |
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VERSION:C |
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619 KB |
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