Fasto Adhesive Technologies - What Is a Retaining Compound? Retaining Compounds are adhesives used to secure bearings, Retaining Compound Manufacturer in Jodhpur, Madurai, Raipur, Chandigarh, Guwahati, Amravati, Kolhapur, Jamnagar India. Fasto Advance Adhesives Technology, is a specialty adhesive company, envisioned by group of adhesive technologists having decades of experience in the field of sealing & bonding.