ChangLong ZCW4-65 Smart Temperature Patch

CHANGLONG ZCW4-65 smart Thermometric Paper sticker is a single-cell Thermometric Paper, the temperature point is 65 ° C, the ZCW4-65 Thermometric Paper sticker Color change is white → red → black, Color reversible, sold as a whole, 9 pieces each, starting at 5 pieces. Application printing circuit board, power generation, power distribution surface temperature rail, axle box, wheel, generator, etc