The Micro-Tec PrepPlate is a smooth, clear hardened glass to provide a clean support for general sample preparation applications. Made of soda lime float glass with good chemical resistance. Non-porous surface, which is easy to clean. Can also be used as a smooth surface for lapping and polishing applications as. Hardened glass is safer than standard float glass, since is breaks into small pieces instead of sharp shards when damaged. Can be used on both sides. Size of this Micro-Tec clear hardened glass PrepPlate is 36x26cm with a thickness of 0.5cm.