The optimal thickness range for cutting with these knives is between 30-150 nm. They are available in sizes ranging from 1.5 mm-4.0 mm as a standard. Other sizes are available upon request. All of these knives are tested within a thickness range of 30-150 nm. Whether your needs are biological or materials related, in EM or LM, we have a knife to suit your needs.
Ultra 45°
Recognized as the knife for routine sectioning. It is a good compromise between section quality and durability.
The 45° knife is recommended for the sectioning of extremely hard and brittle materials such as ceramics. In this domain it has replaced the formerly recommended 55° knife.