... materials usually use EPS, XPS, PU, Rock wool, Paper honeycomb, Aluminum honeycomb etc.They are widely used in clean room as ... ceiling and as force bearing wall in single-storey prefabricated buildings. The major application demonstrates in the clean room system as ... LtdAdd: No.168-1, Tashuidu, Chedun Town, Songjiang District, Shanghai China.Tel: 86-21-54999328 Fax: 86-21-57607509 Eps sandwich panel