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  • 1. c dProduct Information MOLYKOTE® BG 555 Low Noise Grease Long performance life, wide temperature range, low noise greaseFEATURES APPLICATIONS" Wide service temperature range " MOLYKOTE BG 555 Low Noise Grease is suitable for use in bearings at" Long performance grease elevated temperatures for long periods." Excellent low temperature properties " MOLYKOTE BG 555 Grease can largely extend the intervals of grease re-" Anti-rust properties packing or bearing replacement." Noise suppressing properties TYPICAL PROPERTIES Specification writers: These values are not intended for use in preparing specifications. Please contact your local Dow Corning sales representative prior to writing specifications on this product. Test method* Property Unit Value Color light straw Consistency, density, viscosity ASTM D217 Worked penetration mm/10 255 FTM 791C-313 Working stability mm/10 315 ASTM 445 Based oil kinematic viscosity at 40ºC (104ºF) mm2/s 26.0 Temperature Service temperature range ºC -40 to +150 ºF -40 to +302 ASTM D566 Dropping point ºC 195 ºF 383 ASTM D1478-63 Low-temperature torque at -40ºC (-40ºF) Starting torque N.cm 15 Running torque N.cm 3.0 Resistance ASTM D1264 Water washout 1 hour at 38ºC (100.4ºF) Mass % 1.3 Load-carrying capacity, wear protection, service life ASTM D1741 Life performance 125ºC (257ºF) hour 4000 Speed DN value1 mm/min 1,300,000 Oil separation, evaporation, oxidation stability ASTM D972 Evaporation loss 22 hours at 99ºC (210.2ºF) Mass % 0.30 FTM 791C-321 Oil separation 24 hours at 100ºC (212ºF) Mass % 1.0 Mod ASTM D942 Oxidation stability kPa 2.5 Corrosion protection ASTM D4048 Copper strip corrosion 24 hours at 100ºC 1a (212ºF) ASTM D1743-73 Corrosion preventive properties 48 hours at 52ºC (125.6ºF) 1 DIN 51 802 SKF-Emcor method Degree of corrosion 0-0
  • 2. TYPICAL PROPERTIES (continued) Test method* Property Unit Value Low noise performance FAG MGG-11 Low noise performance test class II/1 1. DN values are calculated approximations and will vary widely with temperature, load and bearing type. * FTMS : Federal Test Method Standard. ASTM: American Society for Testing and Materials. BENEFITS Noise suppressant properties Anti-rust properties Performance life at elevated Impurities are removed from the main MOLYKOTE BG 555 Grease with its temperatures raw materials of MOLYKOTE BG 555 reinforced anti-rust properties is Performance life of MOLYKOTE Grease. The additives are strictly excellent not only for general humidity, BG 555 Grease lasts several times selected and base oil having but also for very severe conditions. As longer than those of other wide- appropriate viscosity is used. a result, MOLYKOTE BG 555 Grease temperature range roller bearing can solve the problems such as rusting greases available in the market. In addition, MOLYKOTE BG 555 of automotive electric equipments in Grease is manufactured by a special the presence of salt water or rusting of MOLYKOTE BG 555 Grease is process in a dust-free factory. electric motors under varnish suitable for use in bearings at elevated conditions. temperatures for long periods. Therefore MOLYKOTE BG 555 Grease can achieve quieter bearing HANDLING PRECAUTIONS Moreover, in general conditions, performances. Product safety information required for MOLYKOTE BG 555 Grease can safe use is not included. Before largely extend the intervals of grease Low temperature properties handling, read product and safety data repacking or bearing replacement. MOLYKOTE BG 555 Grease is made sheets and container labels for safe use, from excellent synthetic lubricating physical and health hazard information. Figure 1: Life performance at 125ºC oils and designed so that the structure The material safety data sheet is (257ºF) , ASTM D1741. causes the least internal resistance. available on the Dow Corning website MOLYKOTE BG 555 Grease can be at www.dowcorning.com. You can also used as low as -40ºC (-40ºF), thereby obtain a copy from your localTime (hours) 4000 easing cold starting of precision Dow Corning sales representative or 4000 machines and small-size motors. Distributor or by calling your local 3000 Dow Corning Global Connection. Figure 2: Low temperature torque 2000 test, ASTM D1478-63. Product safety information required for safe use is not included. Before Starting torque Running torque handling, read product and safety data 1000 sheets and container labels for safe use, Torque (N.cm) 350 NLGI 2 Lithium grease on the physical and health hazard information. 90 0 40 market 8 The material safety data sheet is MOLYKOTE BG 555 Grease NLGI 2 Lithium NLGI 2 Lithium grease made with grease on the available on the Dow Corning website silicone oil on the market market 30 6 at www.dowcorning.com. You can also obtain a copy from your local 20 NLGI 2 Lithium 4 Dow Corning sales representative or grease made with Distributor or by calling your local silicone oil on the Dow Corning Global Connection. 10 market 2 MOLYKOTE BG 555 Grease 0 0 -40 -30 -40 -30 Temperature ºC Temperature ºC MOLYKOTE BG 555 Low Noise Grease 2 Ref. no. 11-0018A-01
  • 3. USABLE LIFE AND LIMITED WARRANTYSTORAGE INFORMATION - PLEASEWhen stored at or below 40ºC (104ºF) READ CAREFULLYin the original unopened containers, The information contained herein isthis product has a usable life of offered in good faith and is believed to36 months from the date of production. be accurate. However, because conditions and methods of use of ourPACKAGING products are beyond our control, thisThis product is available in 1kg tins, information should not be used in5kg pails and 25kg drums. substitution for customers tests to ensure that Dow Cornings products areLIMITATIONS safe, effective, and fully satisfactoryThis product is neither tested nor for the intended end use. Suggestionsrepresented as suitable for medical or of use shall not be taken aspharmaceutical uses. inducements to infringe any patent.HEALTH AND Dow Cornings sole warranty is that theENVIRONMENTAL product will meet the Dow CorningINFORMATION sales specifications in effect at the timeTo support Customers in their product of shipment.safety needs, Dow Corning has anextensive Product Stewardship Your exclusive remedy for breach oforganization and a team of Product such warranty is limited to refund ofSafety and Regulatory Compliance purchase price or replacement of any(PS&RC) specialists available in each product shown to be other than asarea. warranted.For further information, please see our DOW CORNING SPECIFICALLYwebsite, www.dowcorning.com or DISCLAIMS ANY OTHERconsult your local Dow Corning EXPRESS OR IMPLIEDrepresentative. WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY. DOW CORNING DISCLAIMS LIABILITY FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES. WE HELP YOU INVENT THE FUTURE." www.dowcorning.comMOLYKOTE BG 555 Low Noise Grease3Ref. no. 11-0018A-01
  • 4. MOLYKOTE BG 555 Low Noise Grease WE HELP YOU INVENT THE FUTURE. is a trademark of Dow Corning Corporation.4 17/05/2002 MOLYKOTE is a registered trademark of Dow Corning Corporation.Ref. no. 11-0018A-01 DC 4420 ©2001, 2002 Dow Corning Corporation. All rights reserved.

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