Calibration standards

CP21

Sets of contact angle standards for the height-width method

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The sets CP21 and CP22 each contain standards with shapes of exactly circular drops for calibrating the height-width method and the circle method for measuring the contact angle. The shapes with contact angles of 30°, 60° and 120° deviate by less than 0.1° from the nominal value. The set CP22 additionally includes a certificate which confirms the high accuracy of the print.