technical data sheet product 222 worldwide version, october 1995 not for product specifications. the technical data contained herein are intended as reference only. please contact loctite corporation quality department for assistance and recommendations on specifications for this product. rocky hill, ct fax: +1 (860)-571-5473 dublin, ireland fax: +353-(1)-451 - 9959 product description loctite ? product 222 is a single component anaerobic threadlocking material, which is thixotropic and develops low strength for easy disassembly. the product cures when confined in the absence of air between close fitting metal surfaces. typical applications prevents loosening through vibration and leakage of threaded fasteners. particularly suitable for applications such as adjustment of set screws, small diameter or long engagement length fasteners where easy disassembly is required without shearing the screw. properties of uncured material typical value range chemical type dimethacrylate ester appearance opaque purple, fluorescent liquid specific gravity @ 25 c 1.05 viscosity @ 25 c, mpa.s (cp) brookfield rvf spindle 3 @ 2 rpm 5,000 2,500 to 7,500 @ 20 rpm 1200 800 to 1,600 din 54453, mv d = 277 s -1 after t=180secs 135 90 to 180 flash point (tcc), c >93 typical curing performance cure speed vs. substrate the rate of cure will depend on substrate used. the graph below shows the breakaway strength developed with time on m10 steel nuts and bolts compared to different materials and tested according to iso 10964. 5min 10min 30min 1hr 3hr 6hr 24hr 72hr cure time, hours 0 25 50 75 100 % of full strength on steel stainless steel steel brass zinc dichromate cure speed vs. bond gap the rate of cure will depend on the bondline gap. gaps in threaded fasteners depend on thread type, quality and size. the following graph shows shear strength developed with time on steel pins and collars at different controlled gaps and tested according to iso 10123. 5min 10min 30min 1hr 3hr 6hr 24hr 72hr cure time, hours 0 25 50 75 100 % of full strength on steel 0.15mm 0.05mm 0.25mm cure speed vs. temperature the rate of cure will depend on the ambient temperature. graph below shows the breakaway strength developed with time at different temperatures on m10 steel nuts and bolts and tested according to iso 10964. 5min 10min 30min 1hr 3hr 6hr 24hr 72hr cure time, hours 0 25 50 75 100 % of full strength on steel 22c 40c 5c cure speed vs. activator where cure speed is unacceptably long, or large gaps are present, applying activator to the surface will improve cure speed. the graph below shows breakaway strength developed with time using activator n and t on m10 zinc dichromate steel nuts & bolts and tested according to iso 10964. 5min 10min 30min 1hr 3hr 6hr 24hr 72hr cure time, hours 0 25 50 75 100 % of full strength on steel act t no activator act n typical properties of cured material physical properties coefficient of thermal expansion, astm d696, k -1 80 x10 -6 coefficient of thermal conductivity, astm c177, w.m -1 k -1 0.1 specific heat , kj.kg -1 k -1 0.3 loctite uk limited, watchmead, welwyn garden city, herts, al7 1jb technical services tel: (01707) 358888 customer services tel: (01707) 358844
tds 222, october 1995 loctite is a registered trademark of loctite corporation, hartford, ct 06106 performance of cured material (after 24 hr at 22 c on m10 steel nuts & bolts) typical value range breakaway torque, iso 10964, n.m 6 3 to 9 (lb.in) (53) (25 to 80) prevail torque, iso 10964, n.m 4 1 to 6 (lb.in) (30) (10 to 50) breakloose torque, din 54454, n.m 14 8 to 20 (lb.in) (120) (71 to 180) max. prevail torque, din 54454, n.m 14 8 to 20 (lb.in) (120) (71 to 180) typical environmental resistance test procedure : breakloose torque, din 54454 substrate: m10 zinc phosphate nuts & bolts cure procedure: 1 week at 22 c hot strength tested at temperature. 0 50 100 150 0 25 50 75 100 % rt strength temperature, c heat aging aged at temperature indicated and tested at 22c. 0 1,000 2,000 3,000 4,000 5,000 0 25 50 75 100 125 hours % initial strength at rt 120c 150c chemical / solvent resistance aged under conditions indicated and tested at 22c. solvent temp . % initial strength retained at 100 hr 500 hr 1000 hr 5000 hr motor oil 125 c 100 95 90 85 leaded petrol 22 c 95 95 95 95 brake fluid 22 c 95 95 95 90 water/glycol (50%/50%) 87 c 80 80 80 80 ethanol 22 c 95 95 90 90 acetone 22 c 100 90 90 90 general information this product is not recommended for use in pure oxygen and/or oxygen rich systems and should not be selected as a sealant for chlorine or other strong oxidising materials. for safe handling information on this product, consult the material safety data sheet, (msds). where aqueous washing systems are used to clean the surfaces before bonding, it is important to check for compatibility of the washing solution with the adhesive. in some cases these aqueous washes can affect the cure and performance of the adhesive. this product is not normally recommended for use on plastics (particularly thermoplastic materials where stress cracking of the plastic could result). users are recommended to confirm compatibility of the product with such substrates. directions for use for best performance surfaces should be clean and free of grease. product should be applied to the bolt in sufficient quantity to fill all engaged threads. this product performs best in thin bond gaps, (0.05mm). very large thread sizes may create large gaps which will affect cure speed and strength. this product is designed to give controlled friction, (torque/tension ratio), during assembly. in critical tightening applications this ratio should be confirmed. storage product shall be ideally stored in a cool, dry location in unopened containers at a temperature between 8 c to 28 c (46 f to 82 f) unless otherwise labelled. optimal storage is at the lower half of this temperature range. to prevent contamination of unused product, do not return any material to its original container. for further specific shelf life information, contact your local technical service centre. data ranges the data contained herein may be reported as a typical value and/or range (based on the mean value 2 standard deviations). values are based on actual test data and are verified on a periodic basis. note the data contained herein are furnished for information only and are believed to be reliable. we cannot assume responsibility for the results obtained by others over whose methods we have no control. it is the user's responsibility to determine suitability for the user's purpose of any production methods mentioned herein and to adopt such precautions as may be advisable for the protection of property and of persons against any hazards that may be involved in the handling and use thereof. in light of the foregoing, loctite corporation specifically disclaims all warranties expressed or implied, including warranties of merchantability or fitness for a particular purpose, arising from sale or use of loctite corporation?s products. loctite corporation specifically disclaims any liability for consequential or incidental damages of any kind, including lost profits. the discussion herein of various processes or compositions is not to be interpreted as representation that they are free from domination of patents owned by others or as a license under any loctite corporation patents that may cover such processes or compositions. we recommend that each prospective user test his proposed application before repetitive use, using this data as a guide. this product may be covered by one or more united states or foreign patents or patent applications.
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