I have been looking at printing in a branding project and they have used thermo-setting paints to enhance their business cards. This is a really novel idea and i want to try and incorporate it into my designs somehow so i have just started some basic research in places i could resource the paint.
// Colour theme (possibly email)
// Pearltrees
// CAPGO
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Introduction to Temperature Sensitive Paints and Labels
While temperature sensitive paint is not a sensor in the sense that this site accepts, it can provide an effective solution to some temperature measurement problems. The category includes Labels, inks, paints and pigments.
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Liquid Crystal Based
Those based on liquid crystals, and reversibly cover the range of approximately -30°C to 120°C, with a measurement "bandwidth" of 10°C with 1°C accuracy.
Paint Based
Other materials are used to manufacture nonreversible indicators, labels and strips. These are available for temperatures up to 1270°C. Typically these rely on material crystal lattice or phase changes at a particular temperature. They are particularly good in recording if a device has exceeded its designed temperature limit.
Applications
The application of this form of sensor is very diverse. A commonly seen application is for the measurement of aquarium temperature using self adhesive strips such as show to the left. Contrary to what may be expected in a world of electronics, the demand for these types of products is increasing due to their ease of use and very visual output.
See the following manufacturers for more information:
- Tempil, Inc
A leading manufacturer of chemical temperature indicators especially for the metal fabrication and medical product sterilization industries
- Thermographic Measurement Ltdfor thermal strips and spots
- Lakfbriek Korthals BV
Therm-O-Signal coatings and indicating paints
- TIP TEMPerature Products Inc
A US supplier of a wide range of temperature measuring products including paints and strips
- B+H Colour Change Ltd
A UK based company specializing in custom color change products that incorporate temperature sensitive inks and plastics
- Hallcrest Inc
Manufacturers of thermochromic products with an interesting product range from consumer to industrial and medical.
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