Spectrophotometers and colorimeters for colour control of powdered construction raw materials
The CR-410 colorimeter and its CR-A33e glass cone allow the direct measurement of powdery products in the mass. With its 50mm measuring aperture, it is the ideal instrument for measuring structured or uneven surfaces such as sand, stone, etc. The objective is to qualify the quality and colour of raw materials according to the deposits.
Cement is mainly composed of 90% clinker, which is made of 80% limestone and 20% clay. The CM-5 spectrophotometer or the CR-5 colorimeter, two benchtop instruments used in laboratories, allow the whiteness/colour of the limestone and the general colour of the clinker to be measured using a petri dish. The aim is to obtain a cement that is always the same colour. The colour of the cement powder is a guarantee of quality in the eyes of construction professionals.
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