Our methyl methacrylate ball pestles (”mixing balls”) are completely transparent and versatile. They show great resistance to breakage and can withstand high temperatures between 140-200ºF, which make them ideal for light impact grinding and mixing with polystyrene vials. Our grinding balls are available in 3 mm, 5 mm, 9 mm and 12 mm nominal diameters and purchased in 100 per package.
