How To Verify The Quality Of PTC Heating Pipe

PTC heating tube in a wide range of markets, there are a lot of substandard electrical heater slowly melt into this big market, which now makes an integrated heat fins of PTC heating pipe market than what cohabitation, how can we distinguish the advantages and heater worse, it has become the majority of customers in the purchase of all kinds of preparatory work before the heater.

Verify PTC heating tube merits of the easiest methods:

First PTC heating tube wipe the surface, and then plugged into a 220V power supply, air dry, red surface after power failure, until completely cooled after the PTC heating pipe, wipe with a napkin, there should be no black oxide powder on white paper ( No reaction of oxygen in the air) with instructions for high-quality PTC heating pipe.