Feature

●Select from 10 different grinding ball materials to suit your application
●Replacement silicon nitride ball for grinding vial set 04576-63
●Extremely high resistance to abrasion and very long-wearing due to superior hardness
●Moderate efficiency but very low levels of contamination
●Measures 1/2" (12.7 mm) in diameter


Description

Optimize performance of your Spex SamplePrep Freezer/Mill grinding vial sets with a wide range of grinding ball options suitable for your application. Hardness: Mohs: 8 ½ +; Knoop 1600 Typical composition: Major Elements ? Si; Minor Elements ? Y, Al, Fe, Ca

• 1 year warranty
• Crush, grind, and mill various materials