KT® Premium Cover Glass Made of chemically resistant borosilicate glass, KT® Premium German Koverglass has a superior optical quality that ensures image clarity for microscopy and digital pathology. The superior raw materials provide Class 1 Chemical resistance, maintaining slides integrity for 20+ years of archiving. The state of the art machining process ensures that the edges are cut with high precision, making it especially suitable for automatic coverslipping machines. Specially designed glass "dust" separates pieces of cover glass, preventing them from sticking together. Dimensions: Code KT1 Code KT3+ Code KT5+ Code PiSmart-S1