1 â¢ Print, sign and date the two-page Certification. Statement and mail it along with all requested. supporting documentation to the Medicare. contractor. 2  Note: 3  Do not mail the CMS-855 paper that can. be printed from Internet-based PECOS.  Retain this information for your records.
Definition of mastic. 1 : an aromatic resinous exudate from mastic trees used chiefly in varnishes.
310 Thermomastic is a one-component, non-drying mastic material designed to provide an efficient, heat transfer material between adjacent metallic surfaces. It is designed to improve the coil efficiency in refrigeration systems. 310 is a soft, pumpable material that forms a surface skin while remaining pliable.