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Cone Calorimeter
The import of American VTEC, cone calorimeter ultra high cost performance
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Digital Elmendorf Tearing Tester
Pendulum method test material tear strength, operating more simple, more accurate data
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ZwickiLine Materials testing machines
Top of the world's leading universal material testing machine
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GB/T 250 Grey Scale for evaluating Change in colorBACK
Testing Standards:
GB/T 250Applications:
For use in colorfastness test to compare the origin specimen and finished specimen with the grey scale visually.Product Information :
GB/T 250 Grey Scale for assessing Change in color.Compare the origin specimen and finished specimen with the grey scale visually to rating. When the color differences is equivalent to the level of grey scale, the colorfastness of specimen is equal to the level of the grey scale.
