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Spectrophotometer for Powder Coating Color Measurement

Paint Industry | 2017-08-03 18:45:56

The main coating color measurement instruments are colorimeters and spectrophotometer. Colorimeter has the advantage of lower price, simple for carrying, quick measurement for color difference. However, its accuracy is limited and can not guide for color matching.


There are two kinds of spectrophotometer portable and bench top. Portable spectrophotometer’s size is similar to colorimeter and has the advantage of high testing accuracy, spectral reflectance testing, system Data output and could work with color matching software. Benchtop spectrophotometer’s price is higher with larger size, it is suitable for laboratory.

Coating Color Measure

Measurement
The 1st Step: We will use spectrophotometer CS-660 for powder coating color measurement. Prepare the samples. Press the powder material into pellet with powder molding instrument. (Its surface should be flat.)

Coating Color MeasureCoating Color Measure

The 2nd Step: Turn on the instrument and calibrate it. Set the parameter and formula according to the instruction book.

Powder Spectrophotometer

The 3rd Step: After calibration, press “Print” to camera view the testing area. Put the target sample under the testing caliber to make sure no light enter into the instrument. Press “test”, after hearing the sound of “beep” we will see the testing result.

Powder Spectrophotometer

The 4th Step: After we saved the testing result for target sample, press “menu”, we will enter into the “testing sample measurement” interface. Put the testing sample under the testing caliber. Press “test”, after hearing the sound of “beep” we will see the testing result.

spectrophotometer paint

spectrophotometer paint

The testing result of spectrophotometer could guide for color matching. It greatly reduces time and labor cost. Instrument with the experience of color technical worker will get best color difference control result.


Spectrophotometer for Coating Reflectance Measurement