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concretepolishingassociation.com
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Definitions (51)
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aggregate exposure
Grinding a concrete floor surface with bonded abrasives to achieve a specified class of exposed aggregate. These are classified as A, B, C and D with varying levels of exposed aggregate (see Aggregate Exposure Chart) Aggregate Exposure Chart CLASS Source: concretepolishingassociation.com (offline)
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repair material
A product that is designed to repair cracks and surface imperfections. The specified material must have sufficient bonding capabilities to adhere after the polishing to the concrete surface and provide abrasion resistance equal to or greater than the surrounding concrete substrate. Source: concretepolishingassociation.com (offline)
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specular gloss
A single measurement of gloss by shining a known amount of light at a surface within a specified angle of illumination and quantifying the reflectance. Specified angles of illumination are 20 degrees for gloss ranges higher than 70 GU, 60 degrees for gloss ranges between 10-70 GU, and 85 Degrees for gloss ranges below 10 GU. Source: concretepolishingassociation.com (offline)
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abrasive pad
An abrasive pad, resembling a typical floor maintenance burnishing pad, that has the capability of refining the concrete surface on a microscopic level that may or may not contain industrial grade diamonds. These pads are typically used for the the maintenance and/or restoration of previously installed polished concrete flooring. Source: concretepolishingassociation.com (offline)
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bonded abrasive
abrasive medium that is held within a bonding that erodes away to expose new abrasive medium as it is used. Source: concretepolishingassociation.com (offline)
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bonded abrasive polished concrete
The multi-step operation of mechanically grinding, honing, and polishing a concrete floor surface with bonded abrasives to cut a concrete floor surface and to refine each cut to the maximum potential to achieve a specified level of finished gloss as defined by the CPAA. This yields the most durable finish and requires the least maintenance. Source: concretepolishingassociation.com (offline)
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burnished polished concrete
The multi-step operation of mechanical friction-rubbing a concrete floor surface with or without waxes or resins to achieve a specified level of finished gloss as defined by the CPAA. This operation yields a less durable finish and requires more maintenance than bonded abrasive polished concrete. Source: concretepolishingassociation.com (offline)
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burnisher
A variable speed, single or multiple rotating head walk behind or ride on machine that spins an abrasive pad, with or without bonded abrasives, at 1200 rpm or higher. Source: concretepolishingassociation.com (offline)
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burnishing
The act of using a high speed burnisher affixed with an abrasive pad to further enhance the microscopic abrasion of the concrete surface to increase the finished gloss. Source: concretepolishingassociation.com (offline)
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cross hatch
a multi-directional pass / cut. Source: concretepolishingassociation.com (offline)
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