Shin-Etsu Silicones of America, Inc.

Product Description

Shin-Etsu's KER-2957PH-A/B is a Methyl-Silicone potting encapsulant for UV-LED applications. It exhibits anti-cracking properties and higher temperature resistance than the KER-2957-A/B. This product allows higher light transmittance at shorter wavelengths than other silicone encapsulants.

Product Features

  • Excellent refractive index
  • Dual component
  • Heat cure
  • High light transmittance
  • High temperature resistance

Typical Applications

  • Encapsulating LED components

Typical Properties

TypePotting Encapsulant
Cure TypeAddition
One/Two ComponentTwo
Density @ 23C (g/cm3)1.03
Viscosity A (Pa·s)4.00
Mix Ratio by weight100/100
Cure Conditions100C/1hr+150C 2hr
Shore A Hardness45
Tensile Strength (MPa)6.10
% Elongation180
Refractive Index (23C/589nm)1.41
% Light Transmissivity (400nm/2mm)93

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.