3M(TM) Scotch-Seal(TM) Tamper Proof Sealant 1252 White, 5 oz tube, 36 per case A white, fast-drying and fire retardant tamper-proof sealant. When applied over a movable part, tampering with the part can be detected by a break in the sealant. S/S 1252 WHITE 5OZ TUBE