Thread securing compounds with 30 minute dry time, 24-hour full cure Purple: low-strength for smaller fasteners. Can be separated using hand tools (good spoke prep) Blue: general/medium-strength "removable" thread locker for most bicycle applications. Can be separated using hand tools (also offered in &';oil-resistant&'; formula for use on non-primered surfaces) Red: permanent/high-strength threadlocker for most bicycle applications. Can be separated using hand tools and directed +300F-degree heat source Green: designed for cylindrical parts bonding (e.g. cartridge bearing to pivot-axle) high-strength yield = usually requires +300F-degree heat source and tools for removal (should not be used on commonly adjusted fasteners, this compound should be viewed as a permanent set) TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Model Blue Loctite 242 Description Medium Strength Thread Locker Type Drip Size 10ml (0.34oz)