... : 3-7mm, Polymer Composite Thickness: 3-4mm Stone Glue: Epoxy Resin Use: interior wall, ceilling etc ... composite panel is very easy to install ,so it can reduce time, room and expenses cost.5- Glue: very safe stone stone ... glue, we have exported this kind of panel many years, and did many ... , and resistance to pollution ,easily to clean. stone polymer composite panel