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Dielectric Cure Monitoring for the Study of
Thermosets
Instruments, Sensors and Software
LT-451 / LTF-631 Dielectric Cure Monitors with CureView Software
Dielectric cure monitoring
measures electrical properties to determine the cure state and
viscosity of thermoset materials, at the same time providing insight
into chemistry, reaction rate, formulation and physical parameters.
Instruments, sensors and software from Lambient Technologies are
designed for flexibility and ease of use—together they form
an integrated system for studying polymers and using the results
for optimizing the final product.
Viscosity and resistivity in a curing material. |
Instruments
Materials Processing Environments |
Sensors & Accessories
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The Ceramicomb-1” is designed for use in presses, molds or harsh environments where a rugged, reusable dielectric sensor is desired. It may be mounted so the electrodes are flush with a platen or mold surface, insuring no interference with the flow of material during processing. The sensor is constructed with silver-palladium electrodes embedded in an alumina substrate, protected by a stainless steel sheath with a nominal 1.0” (2.54 cm) diameter. A thermocouple is positioned in the ceramic just below the surface to allow measurement of process temperatures |
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The Varicon sensor is designed for use in presses, molds, bulk materials or laminates where a thin, flexible dielectric sensor is necessary. Patterned on a polyimide substrate, the electrode array is designed to allow a choice of three sensitivities, which are selected by cutting off portions of the array at designated lines. |
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The Mini-Varicon sensor is a thin, flexible dielectric
sensor designed for cost-sensitive use with presses, molds, bulk
materials or laminates. Patterned on a polyimide substrate, the
electrode array is designed to allow a choice of high or low sensitivity,
selected by either using the whole sensor or cutting off a portion of the array at a designated line. |
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The Micro-Varicon sensor is a miniature, thin, flexible dielectric sensor designed for cost-sensitive use where space is limited. The electrode array is patterned on a polyimide substrate, and the Micro-Varicon sensor can be supplied with or without Teflon insulated leads. |
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The 8-mm reusable dielectric sensor is designed for use in presses, molds or harsh environments where a tiny, reusable dielectric sensor is desired. It may be mounted so the electrode is flush with a platen or mold surface, insuring no interference with the flow of material during processing. The sensor is constructed with a stainless steel electrode embedded in a high temperature polymer sheath. The sheath has a nominal 8-mm diameter. A thermocouple is positioned in the sensor cable in the vicinity of the side exit joint to allow measurement of process temperatures. |
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The LTP-350 MicroPress is a small thermal pneumatic press designed for the curing of SMC, BMC, epoxies, polyesters, polystyrenes, polyurethanes, silicones, laminates and other polymeric materials. Providing a portable, easily operated platform to reproduce the time-temperature-pressure processing profiles of most polymers, the LTP-350 MicroPress has independent temperature control of both upper and lower platens and can operate in either isothermal or ramp-and-hold modes. The heating temperature range is ambient to 350 Degrees C (660 Degrees F), and maximum applied force is 2000 pounds (909 Kg). Platen area is 3.0” x 3.0” (75 cm x 75 cm). |
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