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AD-3231 is a pulverized, heat resistant, phenolic resin of the two-step type.
AD-3231 was specifically developed as a general-purpose bond for resinoid grinding wheels. It provides an optimum balance of room temperature, elevated temperature and wet strength properties. Used in conjunction with phenolic and/or furfural wetting agents, it has been used successfully as a bond in most types of grinding wheels.
Property | Standard | Value | Unit | Test Method |
---|---|---|---|---|
Glass Plate Flow at 125°C | 42 - 64 | mm | ||
Hexa Content | 6.5 - 7.5 | % | ||
Hot Plate Cure at 150°C | 70 - 100 | Seconds | ||
Particle Size <= 74 micron | 96.5 - 99.5 | % vol. |
Tests are made in accordance with the current Hexion Standard Test Method and are available upon request.