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Colour Measurement Spectrophotometer CS-820N for Opaque and Transparent Plastic

Plastic Industry | 2020-03-05 11:20:32

 

CS-820N contains both D/8 and D/0 geometry to make it is suitable to measure both opaque, translucent and transparent materials. We get four plastic samples from customers. They need to measure the sample color value.

We will introduce how to measure the color of plastic by the colour measurement spectrophotometer CS-820N.

 

 

 

 

Step 1. Prepare the Samples

 

Grey and Blue Plastic (Opaque

 Transparent and Yellow Plastic (Transparent)

 

Step 2. Measurement and Test Results

1. Do black and white calibration according to the instrument instruction (in reflectance mode).

 

 White calibration

 

 

 Black calibration

 

2. Set instrument setting as follows for color test of opaque plastic samples.

1).Illuminate: D65

2).Standard Observer: 10 degree


3).Test Mode: Reflectance

4). Test Parameter: L*a*b

5).Test Mode: SCI

3. Measure and Test Result

Test Method: One sample measure one point to get the test result.

 

Grey Plastic (Opaque) Color Measurement

 

 Blue Plastic (Opaque) Color Measurement

 

Grey and Blue Plastic Color Test Result

Name

L

a

b

Blue Plastic

44.51

-12.73

-34.15

Grey Plastic

46.97

-0.08

-3.04


2. Set the instrument into transmittance mode.

1).Illuminate: C

2).Standard Observer: 2 degree

3). Test Parameter: L*a*b

3. Do black and air calibration according to the instrument instruction (in transmittance mode).

 

Black calibration

 

 Air calibration

 

2.Test Method: One sample measure one point to get the test result.

 

Transparent Plastic Color Measurement

 

 

Yellow Plastic Color Measurement


 

Transparent and Yellow Plastic Color Test Result

Name

L

a

b

Transparent Plastic

87.64

-1.32

2.24 

Yellow Plastic

93.56

-22.04

83.07

 

CHNSpec Tech is specialized on manufacturing instrument for color, gloss and haze measurement. If any inquiry or questions, you are welcome to contact with us.