Krautkramer XL ultrasonic couplant is specifically made for laboratory testing of transducers and for contact testing of materials having a smooth surface finish of 62 microinches RMS or better in both general production and laboratory testing.
Note: All couplant, Exosen or XL shipped in nonreturnable polyethylene containers. Average gross weight per 55 gallon drum is 410 pounds. Not intended for human consumption.