Product Information DOWCORNING 732 Multi-Purpose Sealant Multi-purpose silicone adhesive/sealant FEATURES One-component adhesive/sealant Cures at room temperature when APPLICATIONS exposed to moisture in the air General industrial sealing and bonding applications. Acetoxy cure system Complies with MIL-A-46106A and FDA 177.2600. Non-sag, paste consistency TYPICAL PROPERTIES Easy to apply Specifications writers: These values are not intended for use in preparing specifications. Cures to a tough, flexible rubber Please contact your local DowCorning sales representative prior to writing specifications Good adhesion to many substrates on this product. Stable and flexible from CTM* ASTM* Property Unit Value 60C(76F) to +180C(356F), As supplied with short peaks up to +205C 0176 Appearance Non-slump paste (401F) Color(s) White, black or Black version: stable and flexible clear from 60C(-76F) to 0364 Extrusion rate g/minute 350 +205C(401F), with short peaks 0098 Skinover time minutes 5-10 up to +230C(446F) 0095 Tack-free time minutes 20 Excellent dielectric properties Physical properties, cured 7 days in air at 25C (77F) and Complies with MIL-A46106A 50% relative humidity 0097B D1475 Specific gravity 1.04 Complies with FDA 177.2600 0099 D2240 Durometer hardness, Shore A 25 Available in white, black or clear 0137A D412 Tensile strength MPa 2.2 0137A D412 Elongation at break % 550 0420 Volume coefficient of thermal expansion 1/K 1.12x10 Electrical properties, cured 7 days in air at 25C (77F) and 50% relative humidity 0114 D149 Dielectric strength kV/mm 21.6 0112 D150 Dielectric constant at 100Hz/100kHz 2.8 0112 D150 Dissipation factor at 100Hz/100kHz 0.0015 0112 D150 Volume resistivity Ohm.cm 1.5x10 1. Extrusion rate: 3.2mm orifice at 0.62MPa. * CTM: Corporate Test Method, copies of CTMs are available on request. ASTM: American Society for Testing and Materials. Unprimed adhesion may be obtained HOW TO USE on many substrates such as glass, Substrate preparation metals and most common engineering All surfaces must be clean and dry. plastics. Substrates to which good Degrease and wash off any adhesion is normally not obtained contaminants that could impair include PTFE, polyethylene, adhesion. Suitable solvents include polypropylene and related materials. isopropyl alcohol, acetone or methyl ethyl ketone. However, for maximum adhesion, the use of DOWCORNING 1200 OS Primer is recommended. After solvent SAFE USE IS NOT INCLUDED. WARRANTY cleaning, a thin coat of BEFORE HANDLING, READ INFORMATION - PLEASE DOWCORNING 1200 OS Primer is PRODUCT AND SAFETY DATA READ CAREFULLY applied by dipping, brushing or SHEETS AND CONTAINER The information contained herein is spraying. Allow primer to dry for 15 LABELS FOR SAFE USE, offered in good faith and is believed to 90 minutes at room temperature PHYSICAL AND HEALTH to be accurate. However, because and a relative humidity of 50% or HAZARD INFORMATION. THE conditions and methods of use of our higher. SAFETY DATA SHEET IS products are beyond our control, this AVAILABLE FROM YOUR LOCAL information should not be used in DOWCORNING SALES How to apply substitution for customer s tests to REPRESENTATIVE. Apply DOWCORNING 732 Multi- ensure that DowCorning s products Purpose Sealant to one of the are safe, effective, and fully USABLE LIFE AND prepared surfaces, then quickly cover satisfactory for the intended end use. with the other substrate to be bonded. STORAGE DowCorning s sole warranty is that When stored at or below the product will meet the On exposure to moisture, the freshly 32C(89.6F) in the original DowCorning sales specifications in applied material willskin ove. Any unopened containers, this product has effect at the time of shipment. Your tooling should be completed before a usable life of 30 months from the exclusive remedy for breach of such this skin forms. The surface is easily date of production. warranty is limited to refund of tooled with a spatula. The purchase price or replacement of any Adhesive/Sealant will be tack-free in As DOWCORNING 732 Multi- product shown to be other than as less than 45 minutes. Purpose Sealant cures by reaction warranted. DowCorning specifically with moisture in air, keep the disclaims any other express or implied container tightly sealed when not in Cure time warranty of fitness for a particular use. A plug of used material may purpose or merchantability. Unless After skin formation, cure continues form in the tip of a tube or cartridge DowCorning provides you with a inward from the surface. In 24hours during storage. This ia easily removed specific, duly signed endorsement of (at room temperature and 50% and does not affect the remaining fitness for use, DowCorning relative humidity) DOWCORNING contents. disclaims liability for any incidental 732 Multi-Purpose Sealant will cure or consequential damages. to a depth of about 3 mm. Very deep Suggestions of use shall not be taken sections, especially when access to PACKAGING as inducements to infringe any patent. atmospheric moisture is restricted will This product is available in a variety take longer to cure completely. Cure of container sizes. Contact your local time is extended at lower humidity DowCorning sales representative for levels. information about container sizes available in your area. Before handling and packaging bonded components, users are advised LIMITATIONS to wait a sufficiently long time to This product is neither tested nor ensure that the integrity of the represented as suitable for medical or adhesive seal is not affected. This will pharmaceutical uses. depend on many factors and should be determined by the user for each HEALTH AND specific application. ENVIRONMENTAL Compatibility INFORMATION DOWCORNING 732 Multi-Purpose To support customers in their product Sealant releases a small amount of safety needs, DowCorning has an acetic acid during cure. This may extensive Product Stewardship cause corrosion on some metallic organization and a team of Health, parts or substrates, especially in direct Environment and Regulatory Affairs contact or when the cure is carried out specialists available in each area. in a totally enclosed configuration which would not allow cure by- For further information, please products to escape. consult your local DowCorning representative. HANDLING PRECAUTIONS PRODUCT SAFETY INFORMATION REQUIRED FOR 2 16/06/1999 DOWCORNING is a registered trademark of DowCorning Corporation. 1997-2000 DowCorning Corporation. All rights reserved. Ref. no. 10-1096E-01 DC 3395