The Effect of PTC Heating Film of RexVa
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There are two types of RexVa PTC products.
The PTC efficiency of Self80 is 80%, and the local over temperature is controlled below 75℃.
The PTC efficiency is 45%, and the local over temperature is controlled below 90℃.
The PTC efficiency is the most excellent for RexVa products.
ITEM | Self80 | PTC | Other companies products |
PTC efficiency in local overheating (rate of change) | 80% efficiency | 45% efficiency | 30% efficiency |
Over heat temperature control | Control under 75℃ | Control under 90℃ |
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Controlling the PTC effect and the local overheating temperature can be very different from the actual situation.
The conditions of local overheating differ for each situation. This is because the conditions or environments in which the user uses the film are different.
PTC heating film has the effect of delaying the time of local overheating compared to the general film. If you use thermostat containing timer, most local overheating will prevent. But, it does not completely block the local overheating. PTC heating film functionality works fine, but if there is a thick insulation such as clothes or box on the floor, the heat produced by the film cannot escape to the outside and heat accumulates in the insulation. This causes a local overheating phenomenon when the accumulated heat is greater than the PTC controlled heat.
You must understand this principle correctly.
Based on this principle, if you educate the consumer on the principle of heating of heating film and how to use the temperature controller, it can reduce local overheating and claim.