Product Information Industrial Assembly and Dow Corning 4 Electrical Maintenance Insulating Compound FEATURES & BENEFITS Grease like material containing an inert silica filler in combination with selected polydimethyl silicone fluids High dielectric strength Low volatility Moisture resistant APPLICATIONS Good thermal oxidation and A moisture proof seal for aircraft, automotive and marine ignition systems and chemical stability spark plug connections, disconnection junctions in electrical wiring systems also in electrical assemblies and terminals. Meets requirements of SAE AS 8660 Used as a seal and lubricant for cable connectors, battery terminals, rubber door seals, switches and rubber and plastic O-rings and as a assembly Certification to NSF 51 and 61 lubricant for various metal-on-plastic and metal-on-rubber combinations. Meeting requirements of FDA 21 CFR 175.300 Retains its grease like consistency TYPICAL PROPERTIES from -40C ( -40F) to +200C Specification Writers: These values are not intended for use in preparing (392F) specifications. Please contact your local Dow Corning sales office or your Global Odorless Dow Corning Connection before writing specifications on this product. Highly water repellent Adheres readily to dry metals, Test* Property Unit Result ceramics, rubber, plastics and CTM 0176 Color White insulating resins translucent CTM 0191 NLGI consistency number 2 Penetration unworked mm/10 220 Penetration worked 60, max mm/10 310 CTM 0033A Bleed, 30hours/200C (392F), max % 6.0 CTM 0033A Evaporation, 30hours/200C (392F), max % 2.0 1 Service temperature range C -40 to +200 F -40 to 392 Melting point C (F) None CTM 0022 Relative density at 25C (77F) g/ml 1.0 Electrical properties CTM 0114 Dielectric strength, 1.27mm gap V/mil 460 CTM 0112 Dielectric constant at 100 Hz 2.98 CTM 0112 Dielectric constant at 100 kHz 3.01 CTM 0112 Dissipation factor at 100 Hz <0.0001 CTM 0112 Dissipation factor at 100 kHZ <0.0002 15 CTM 0249 Volume resistivity at 23C (73F) Ohm.cm 1.1 x 10 CTM 0171 Arc resistance seconds 135 * CTM: Corporate Test Method, copies of CTMs are available on request. 1 The maximum temperature limit may approach 260C (500F) with no oxygen present. xylene, mineral spirits and methyl DESCRIPTION ethyl ketone. Dow Corning Dow Corning 4 Electrical Insulating 4Compound can then be applied by Compound can be applied by hand, brushing, dipping or spraying. specially designed automated equipment, brushing or wiping. Dow Corning 4 Compound should not Certain designs of grease guns may be applied to any surface which will seize up with silicone compounds test be painted or finished. Such coatings prior to use. may not adhere to the silicone-treated surface. If contaminated by a silicone A thinner consistency can be achieved coating, parts can be wiped or washed by dispersing in solvents such as with solvent, washed with detergent, or For further information, please see our HANDLING immersed in an alcoholic potassium website, dowcorning.com or consult PRECAUTIONS hydroxide solution and then rinsed in your local Dow Corning When using solvents, avoid heat, clear water before painting. representative. sparks and open flame. Always provide adequate ventilation. Obtain Dispensing LIMITED WARRANTY and follow handling precautions from Separation and compaction can occur the solvent supplier. INFORMATION PLEASE with some high pressure dispensing READ CAREFULLY equipment. This should be considered PRODUCT SAFETY The information contained herein is when designing dispensing systems INFORMATION REQUIRED FOR offered in good faith and is believed to for use with Dow Corning 4 SAFE USE IS NOT INCLUDED IN be accurate. However, because Compound. THIS DOCUMENT. BEFORE conditions and methods of use of our HANDLING, READ PRODUCT products are beyond our control, this For information on appropriate AND MATERIAL SAFETY DATA information should not be used in dispensing equipment for your SHEETS AND CONTAINER substitution for customers tests to application, please contact LABELS FOR SAFE USE, ensure that our products are safe, Dow Corning. PHYSICAL AND HEALTH effective, and fully satisfactory for the HAZARD INFORMATION. THE intended end use. Suggestions of use Solubility MATERIAL SAFETY DATA shall not be taken as inducements to Dow Corning 4 Compound is SHEET IS AVAILABLE ON THE infringe any patent. insoluble in water, methanol, ethanol DOW CORNING WEBSITE AT or mineral oil and is soluble in mineral DOW CORNING.COM, OR FROM Dow Cornings sole warranty is that spirit and methyl ethyl ketone. The YOUR DOW CORNING SALES our products will meet the sales suitability of a particular solvent APPLICATION ENGINEER, OR specifications in effect at the time of should be based on testing prior to DISTRIBUTOR, OR BY CALLING shipment. use. Flammability and toxicological DOW CORNING CUSTOMER properties should be important SERVICE. Your exclusive remedy for breach of considerations in the choice of such warranty is limited to refund of solvent. purchase price or replacement of any USABLE LIFE AND product shown to be other than as Dimethyl silicone compounds should STORAGE warranted. When stored in the original unopened not be applied to O rings or other components made of silicone rubber containers this product has a usable DOW CORNING SPECIFICALLY life of 60 months from the date of because they will destroy the silicone DISCLAIMS ANY OTHER rubber. production. EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR A These compounds will also slightly PACKAGING PARTICULAR PURPOSE OR swell natural butyl rubbers. INFORMATION MERCHANTABILITY. This product is available in tubes, Chemical resistance pails and drums. DOW CORNING DISCLAIMS Dow Corning 4 Compound is not LIABILITY FOR ANY greatly affected by mineral oils, LIMITATIONS INCIDENTAL OR vegetable oils or air. It is generally This product is neither tested nor CONSEQUENTIAL DAMAGES. resistant to dilute acids and alkalines, represented as suitable for medical or and to most aqueous solutions. As pharmaceutical uses. We help you invent the future. each application may vary in chemical composition, pressure, flow velocity, HEALTH AND dowcorning.com relubrication requirements and equipment design, it is recommended ENVIRONMENTAL that Dow Corning 4 Compound be INFORMATION tested before adopting for regular use. To support Customers in their product safety needs, Dow Corning has an Dow Corning 4 Compound is not extensive Product Stewardship intended to be used with liquid oxygen organization and a team of Product and should not be used in applications Safety and Regulatory Compliance requiring LOX compatibility without (PS&RC) specialists available in each thorough testing for the specific area. application. Dow Corning is a registered trademark of Dow Corning Corporation. We help you invent the future is a trademark of Dow Corning Corporation. 2013, Nov 05 XIAMETER is a registered trademark of Dow Corning Corporation. Form No. 10-1187j-01 2006-2013 Dow Corning Corporation. All rights reserved. 2