Temperature Indicators
 



The Model CC-10K Colotemp Crayon Kit is the ideal solution to monitor and verify temperature specific operations for those who must measure many different temperatures. The crayons are easy-to-use, simply mark a pre-heated surface with a color change crayon. The color will change immediately if the temperature is higher than the crayon's rating, or it will change within 1-2 seconds if it is lower than its rating. The color change is irreversible.

APPLICATIONS

  • Paper, rubber, textile, plastics, chemical and electrical industries
  • Zinc foundries, aluminum processing and the glass industry
  • Iron & steel industry, enameling, welding and fabricating
Initial Crayon Color
Temperature Range
First Color Change
Second Color Change
Light Gray
Violet Blue
248°F (120°C)
 
 
Pink
Blue Violet
383°F (195°C)
Gray
563°F (295°C)
Pale Blue
Light Green
419°F (215°C)
White Buff
581°F (305°C)
Light Purple
Bright Blue
437°F (225°C)
Gray
608°F (320°C)
Orange-Brown
Black
473°F (245°C)
Light Gray
635°F (335°C)
Yellow-Brown
Red Brown
572°F (300°C)
 
 
Dark Violet
Light Violet
608°F (320°C)
White Buff
860°F (460°C)
Aqua Green
White Buff
680°F (360°C)
 
 
Red
White
878°F (470°C)
 
 
Apple Green
White
1112°F (600°C)
 
 
    DIMENSIONAL DRAWING

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