Acrylosin Hard is an acrylic resin (MMA) kit for embedding undemineralized bone, hard tissues, and porous bio-materials / implants. The resin is specially formulated for use with thick section histology techniques where diamond saws, wires, circular disks and grinders are used to produce sections up to 200 microns. Once polymerized, the resin is clear (allowing for optimal visualization of the specimen during microtomy preparation / orientation) and firm (allowing for tissue stability during section cutting). Its special formulation allows for optimal support of the resin, infiltrated specimen, and the presence of any implant materials for even grinding throughout the entire section: and to withstand the increased heat and friction from grinding and polishing.