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| 1. Effects of Green Bond (such as suppression of sand moisture level and gas film formation) can result in very good castings with extremely smooth casting surfaces and very good machining characteristics due to controlled surface hardness. |
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| Green Bond's structure that supports moisture retentivity of the mold |
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Conventional
gelatinized (alpha-type) starch |
Structure of Green Bond |
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| 2. Sand with good fluidity and fillability can fill in round corner angles, resulting in casting molds with less porosity. It can minimize the radius of the roundness and achieve burrless castings, and also decrease resistance while machining, realizing highly-mashinable castings. |
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