For more details click on below link
http://www.plastemart.com/upload/Literature/A_lid_indicating_temperature.asp
Friday, November 17, 2006
A lid indicating temperature of coffee in a cup developed from high impact polystyrene
An innovative lid made of high impact polystyrene has been developed to indicate temperature of hot coffee in a cup. It shows colour change from dark brown to bright red as temperature increases and returns to dark brown when the coffee cools.
For more details click on below link
http://www.plastemart.com/upload/Literature/A_lid_indicating_temperature.asp
For more details click on below link
http://www.plastemart.com/upload/Literature/A_lid_indicating_temperature.asp
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