JZP-4.2 High Shear Recovery Rubber Vibration Isolator Mount — Lateral Stability & Resonance Control Why Shear Recovery Defines Long-Term Isolation Performance When a Vibration Isolator Mount is subjected to lateral forces — from equipment startup torque, unbalanced rotating masses, or external pushes during maintenance — the rubber element undergoes shear deformation. Poor-quality mounts develop permanent set after repeated shear cycles, causing the isolated equipment to