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| Thick Film Heaters |
 Watlow layers thick film resistor and dielectric materials on quartz, stainless steel and ceramic substrates to produce high performance industrial heaters. The thick film heaters provide very fast temperature response and uniformity on a low-profile heater. Thick film heaters are ideal for applications where space is limited, where conventional heaters can't be used, when heat output needs vary across the surface, or in ultra-clean or aggressive chemical applications.
Thick Film FAQs |
| Material |
Typical
Watt Densities |
Maximum Operating
Temperatures |
| W/cm2 |
W/in2 |
430 Stainless steel
radiant
conduction
immersion |
5.0
11.5
27 |
35
75
175 |
550°C (1022°F)
550°C (1022°F)
150°C (302°F) |
Aluminum oxide
radiant
conduction |
3.5
11.5 |
23
75 |
550°C (1022°F)
550°C (1022°F) |
Aluminum nitride
conduction |
23 |
150 |
300°C (572°F) |
Quartz
radiant
immersion
conduction |
3.0
15.4
5.0 |
20
100
30 |
400°C (752°F)
150°C (302°F)
400°C (752°F) |
| Applications |
- Ultra pure aggressive chemicals
- Large panel processing
- Analytical equipment
- Foodservice equipment
- Packaging sealing equipment
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- Life science sterilizers and GC/mass spectroscopy
- Semiconductor wafer processing equipment
- Plastics hot runner nozzles and manifolds
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Thermal Uniformity and Fast Response
Series 400 Stainless Steel
Thick film on stainless steel provides low profile heating with the ability to be laser cut or machined to fit any CAD-generated, two dimensional shape. |
Stability and Fast Response
Ceramic
Ceramic substrates provide low thermal expansion, high temperature tolerance, low dielectric constant, rigidity and dimensional stability for thick film applications. |
In-Line Quartz
In-line Quartz
In-line quartz heaters are ideal for use in continuous and intermittent flow aggressive chemical applications. This unique quartz resistive heater module design eliminates process contamination risk in the event of heater failure. |
Corrosion Resistance with a See-Through Option
Flat Quartz
Thick film on quartz substrates provide a low-profile heater that can be cut to fit applications requiring corrosion resistance, high thermal density and visibility.
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Product Information
Click on the below links for more product information. Items that are PDF documents, require Adobe® Acrobat® Reader version 4 or higher for viewing.
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| Product Specification Sheets |
Size/Pages |
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| Related News Releases and Newsletters |
Date |
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Watlow to Introduce New Heating, Sensing and Control Products ...
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03-17-03
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Thick Film Heaters on Ceramics Provide Exceptional Thermal ...
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11-19-02
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Watlow to Introduce New SD SERIES Controllers at Interplas ...
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09-11-02
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Watlow's Thick Film Heaters on Quartz are Ideal for Semiconductor ...
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07-22-02
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Watts Current - Volume Twenty-Eight, Second Quarter, 2002
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06-03-02
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Watlow Shows Thermal System Solutions for a Variety of ...
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10-25-01
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Watts Current - Volume Twenty-Six, Third Quarter, 2001
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10-17-01
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Watlow Will Show New Thick Film Heating Technology for ...
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07-20-01
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Watts Current - Volume Twenty-Five, Second Quarter, 2001
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06-26-01
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Watts Current - Volume Twenty-Four, First Quarter, 2001
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03-31-01
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Watlow's New Thick Film Conduction Heaters are Big on Temperature ...
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01-10-01
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Watlow's New Heaters are Ideal for Semiconductor Wet Chemistry ...
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11-28-00
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New Watlow Thick Film Heating Technology Delivers Added ...
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10-03-00
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Watlow to Feature Recently Patented Technology at Semicon ...
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06-23-00
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Watts Current - Volume Twenty-Two, Second Quarter, 2000
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04-01-00
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Watts Current - Volume Twenty-One, First Quarter, 2000
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01-02-00
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Watlow's New "Thick Film Technology" Brochure Focuses on ...
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10-22-99
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Watts Current - Volume Twenty, Third Quarter, 1999
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07-03-99
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Watts Current - Volume Nineteen, Second Quarter, 1999
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04-01-99
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Watts Current - Volume Eighteen, First Quarter 1999
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01-01-99
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Watts Current - Volume Seventeen, Fourth Quarter 1998
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10-02-98
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Watts Current - Volume Fifteen, Second Quarter 1998
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04-01-98
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