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HomeShop SuppliesAdhesives, Tapes, & SealantsSealantsSilicone SealantDow Corning 748 White Non-Corrosive Sealant - 90 mL Tube
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Dow Corning 748 White Non-Corrosive Sealant - 90 mL Tube
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Dow Corning 748 White Non-Corrosive Sealant - 90 mL Tube

Part#: 2455846
Our Price: $8.56
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Material Safety Information
Material Safety Data Sheet: MSDS1
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As noted in the name, Dow Corning's 748 is a non-corrosive sealant. It consists of a one-component, ready-to-use silicone material. Supplied as a non-slumping paste, when it reacts to moisture in the air it cures as a tough, rubbery solid. This item's general-purpose bonding and sealing applications work where low odor and noncorrosive properties are needed. Note: while it is used in a wide range of bonding and sealing applications, this item is neither tested nor suitable for medical or pharmaceutical uses. When safety is an issue, SkyGeek cares so be sure to examine the MSDS. For more details, read about the following features:
Alternate PN#s: RTV748
 
Product Details
UOM : Each
Size : 90 mL
Ship Dimensions : 1.75 x 6.75 x 1.5 inches
Shipping Weight : 0.26 pounds
Manufacturer P/N : 2455846
NSN : 8030-01-589-2232
ECCN : EAR99
Schedule B Code : 3214.10.0020
Alt. P/Ns : RTV748
Disclaimer: While reasonable efforts have been made to ensure all information on this website is accurate, SkyGeek.com and Styles Logistics, Inc. do not assume responsibility for any errors or omissions. All specifications, illustrations, data and prices are subject to change without notice.
Features
  • One-part, noncorrosive sealant
  • Ready-to-use, silicone-based formula
  • Applies as non-slumping paste
  • Cures at room temperature when exposed to moisture in the air without producing corrosive byproducts
  • Made for sealing and bonding applications where low odor and noncorrosive properties are necessary
  • Safe for use in corrosion-sensitive electrical equipment and corrosion sensitive metals such as copper
  • Does not require mixing or heating
  • Free of hazardous solvents
  • Easy repair by cutting away old material and replacing it
  • Service temperature range: -67 to 350 degrees Fahrenheit with intermittent excursions up to 400 degrees Fahrenheit
  • Excellent resistance to ozone, corona, moisture and weathering
  • Color: Off-white
  • Dielectric Constant at 100 Hz: 3.3
  • Dielectric Constant at 100 kHz: 3.2
  • Dielectric Strength (v/mil): 475
  • Dissipation Factor at 100 Hz: .0087
  • Dissipation Factor at 100 kHz: .0028
  • Durometer (Shore A): 35
  • Elongation: 350 percent
  • Nonflowable
  • Peel Strength: 25 ppi
  • Room Temperature Cure (Hours): 36 hours
  • Service Temperature High (°C): 177
  • Service Temperature Low = -55 Deg C
  • Shelf Life: 720 days
  • Specific Gravity at 25°C: 1.33
  • Tack-Free Time-50 percent RH: 30 minutes
  • Tensile Strength: 275 psi
  • Volume Resistivity: 7.7e+014 ohm-centimeters
  • Water Resistant
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