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Product Details & Technical Data Sheet
Product: DISCONTINUED

Security Inks
Temp-Tell® Thermochromic Inks

Description:

Thermochromism is the color change phenomenon that occurs by heating certain substances.  Temp-Tell® Thermochromic Inks brings the "magic of color change" to Silkscreen, Flexographic and Rotogravure printing.  When used in combination with non-thermochromic ink, the color changes to any color under the rainbow with the touch of a hand.  Also, when the ink is subjected to a "hot" or "cold" condition, a message appears.  It then converts back to the original color upon cooling.  There can be different types of changes at different temperatures - limited only by your imagination.  The range of colors is fairly broad, as is the temperature at which the color changes takes place.  Temp-Tell® Thermochromic Inks are available in 14 different temperature ranges varying from 25°C (-13°F) to 60°C (127.4°F) for full color to 15°C (5°F) to 65°C (149.0°F) for no color.

Application:

Temp-Tell® Thermochromic Inks can be applied to almost any type of substrate.  This includes paper, polyester, vinyl chloride sheets and plastics.  Many of the inks are low in VOC's as a result of being formulated with water and are virtually odor free.  All of the inks are non-toxic upon drying, making them safe to apply to food packaging, beverage labels and children's products.  Temp-Tell® Thermochromic Inks are suitable for Flexographic, Rotogravure and Silkscreen printing processes.

Color Information:

 The color that disappears at a prescribed temperature is known as the “cold color”, whereas the new color that is revealed is known as the “hot color”.  Temp Tell concentrates (cold color) are available in 11 standard colors: Yellow, Orange, Vermilion, Pink, Magenta, Blue, Turquoise, Teal, Olive Green, Brown and Black.  These can be blended with unlimited “hot colors” with the “hot color” being the lighter of the two. 

Color Changing Temperature Range

Temperature Types

 

Full Color Below

 

No Color Above

 

 

C

F

C

F

025

Below

-25

-13.0

Over

-15

5.0

07

 

-4

24.8

 

5

41.0

5

 

1

33.8

 

12

53.6

10

 

8

46.4

 

16

60.8

15

 

11

51.8

 

19

66.2

17

 

14

57.2

 

23

73.4

20

 

16

60.8

 

26

78.8

25

 

22

71.6

 

31

87.8

27

 

24

75.2

 

33

91.4

35

 

27

80.5

 

36

96.8

37

 

32

89.5

 

41

105.8

45

 

40

104.0

 

50

122.0

47

 

44

111.2

 

58

136.4

60

 

53

127.4

 

65

149.0

Packaging:

Temp-Tell® Thermochromic Inks are produced and packaged in 1-gallon and 5-gallon containers and 55-gallon drums.