e-Vac Series

FKM Rubber for Clean Applications

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e-Vac are a family of enhanced FKM (Viton®) rubber compounds filled with proprietary fillers and producing outstanding low permeation and extremely low outgassing and carbonization free materials. Products made of these compounds exhibit excellent physical properties including very low compression set for maintaining sealing properties for long time and in harsh environment and are suited for the semiconductors industries or any other high vacuum clean room applications.
Low permeation low outgassing for vacuum applications.  e-Vac
Products can be supplied in class 1000 clean room packaging.
Material is available in two hardness range, 60 & 70 Shore A.
Excellent compression set to maintain sealing force over very long period of time.
Excellent Chemical resistance.
Available in sheets in every thickness and custom die-cut parts.
Available in custom molded parts to any shape.
Product Name e-Vac 600 e-Vac 700
Base Material Fluoroelastomer  Fluoroelastomer
Resistance to Weather, Ozone, Oxidation Excellent  Excellent
Resistance to UV Excellent  Excellent
Corrosiveness None  None
Toxicity None None
Shelf Life per Mil-HDBK-695 Up to 20 years Up to 20 years
Typical Properties    
Color Green Green
Hardness, Shore A±3 65 75
Tensile Strength, Mpa, min 7.8 11.0
Elongation, %, min 380 250
Tear Resistance KN/M 23 19 
Compression Set (22hr at 175˚C), % 21 23 
Continuos Use Temp., ˚C -17 to +200 -17 to +200
Specific Gravity 1.94  2.20

NOTICE: The information contained herein is true to the best of our knowledge. However, since varied condition of potential use are beyond our control, users should make their own tests and evaluation to determine the suitability of our products in any specific situation and use. These products are sold without warranty, either expressed or implied, of fitness for a particular purpose or otherwise, except to the extent otherwise stated on Alvas quotation, order confirmation or invoice. We disclaim any liability incurred in connection with the use of information contained herein, or otherwise. All risks of such are assumed by the user.