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HomeShop SuppliesAdhesives, Tapes, & SealantsSealantsSilicone SealantDow Corning 748 White Non-Corrosive Sealant - 3 oz Tube
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Dow Corning 748 White Non-Corrosive Sealant - 3 oz Tube
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Dow Corning 748 White Non-Corrosive Sealant - 3 oz Tube

Part#: 2455846
Our Price: $8.15
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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:
Overall Rating for Dow Corning 748 White Non-Corrosive Sealant - 3 oz Tube
(based on 1 review)
5.0
1 Reviews
5
100% (1)
4
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3
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2
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100% Recommend this product (1 of 1 responses)
By John
Ontario, CANADA
June 11, 2016
Excellent sealant for electrical connections
I used this sealant for a solar panel installation on a house trailer. This sealant is non-corrosive and safe for use on electrical connections. I have used this for many years for strain gauge installation.
Prosnon-corrosive weather proof

Dow Corning 748 White Non-Corrosive Sealant - 3 oz Tube
$8.15
 
Product Details
UOM : Each
Shipping Weight : 0.31 pounds
Manufacturer P/N : 2455846
NSN : 8030-01-589-2232
ECCN : EAR99
Schedule B Code : 3214.10.0010
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
  • A noncorrosive cure mechanism that produces no corrosive by-products; can be used in corrosion-sensitive electrical and electronic equipment(on copper and other sensitivemetals) with no adverse effect
  • Easy handling with no mixing, heating or solvent hazards; easy repair by cutting away old material and replacing with fresh material
  • A service-temperature range from-67 to 350°F (-55 to 177°C) for extended periods, and up to 400°F(204°C) for shorter times
  • Resistance to harsh environments such as ozone, corona, moisture and weathering
  • Easy handling; UL listed; complies with FDA regulation CFR 177.2600 covering indirect food contact
  • 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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