SEALANT-857
Product Description
Shin-Etsu's SEALANT-857 is a one-part, neutral cure, alkoxy silicone sealant for use in construction weather sealing applications. Once cured, this sealant becomes flexible silicone rubber with a movement accommodation factor of +/- 50% of the original joint width. This sealant contributes to superior design and has excellent durability and resistance to UV (not suitable for structural or insulating glazing applications)
Product Features
- One-part and neutral-cure RTV silicone (Alkoxy)
- Superior weatherability performance when exposed to a wide range of temperatures, moisture, ozone and ultraviolet rays
- Excellent unprimed adhesion to most common building materials
- +/-50% Joint movement capability of the original joint width
- ASTM C920 Class 50
- ISO11600 G/F-25HM
Typical Applications
- General weather sealing, glazing and cladding sealant
- Suitable for applications to polycarbonate and other plastic materials
Storage and Shelf Life
Cold storage required
Typical Properties
Density @ 23C (g/cm3)
1.44
Cure Conditions
7days @ 23C/50% RH
Tensile Strength (MPa)
1.10
After cure - 21 days at 23C / 50% RH
-
50% Tensile Stress (MPa)
0.4
Maximum Tensile Stress (MPa)
0.8
Joint movement Capability %
+/-50%
Note: Values are not for specification purposes.
Warranty- The information and data contained herein are believed to be accurate and reliable; however it is the user's responsibility to determine suitability of use.
Since Shin-Etsu Silicones, Inc. cannot know all of the uses to which its products may be put or the conditions of use, it makes no warranties concerning the fitness or suitability of its products for a particular use or purpose. You should thoroughly test any proposed use of our products and independently conclude satisfactory performance in your application. Likewise, if the manner in which our products are used requires governmental approval or clearance, you must obtain it. Shin-Etsu Silicones, Inc. warrants only that its products will meet its specifications. There is no warranty of merchantability of fitness of use, nor any other expressed or implied warranties. The user's exclusive remedy and Shin-Etsu Silicones, Inc.'s sole liability is limited to refund of the price or replacement of any product shown to be otherwise than as warranted. Shin-Etsu Silicones, Inc. will not be liable for incidental or consequential damages of any kind. Suggestions of uses should not be taken as inducements to infringe any patents.