20685
For example , at 20 wt % CNC ( in the dry film ) , an increase in wet modulus from 60 to 300 MPa ( ~ 500 % increase ) is observed after photoirradiation .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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