Buy 100m = 100m cable + 20 pcs copper tube + 20 pcs sleeves. Heating conductor: 12K. Infrared wavelength: 8UM-18UM. Conductor resistance: 33±10% Ω/m. Heating temperature: based on the using length. Buy 50m = 50m cable + 10 pcs copper tube + 10 pcs sleeves.
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