Polished Concrete Testing Devices and Why Test?
Автор: Concrete Network
Загружено: 2023-01-13
Просмотров: 1162
Описание:
Before polishing a concrete surface, performing a thorough evaluation of the surface is crucial. Here, Bob Harris discusses several tests to perform to ensure the best polishing results.
00:00 - Intro
00:50 – Mohs hardness test
02:00 – Chain drag test to determine delamination
04:46 – Chain drag test for large areas
05:51 – Close-up view of delamination
06:55 – Testing after scarifying, shaving, or grinding the surface
07:51 – Using an RA Meter
11:13 – Former meter for checking gloss
12:12 – DOI (Distinctness of Image) Meter to test gloss, DOI, and haze
14:04 – Calibrating and reading the DOI Meter
15:29 – Cart to hold DOI Meter and RA Meter
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